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Postscript vs Brevo for Shopify cart recovery

Head-to-head for abandoned cart recovery: timing, channel mix, margin-safe incentives, and Shopify checkout context. Pair test AOVs: $280 and $164.

TL;DR

Top picks at a glance

  • Pick A Postscript — SMS-native recovery and campaigns for Shopify DTC.
  • Pick B Brevo — Cost-aware email volume without premium ecommerce pricing.
  • Lifecycle layer Sequenzy — Strategy and suppression orchestration first.
DimensionPostscriptBrevo
Best forBrands treating SMS as a revenue channel with compliance guardrailsBudget-conscious stores needing practical campaigns
PricingUsage-basedFree tier; paid from ~$25/mo
Shopify depthNativeIntegration
AutomationSolidSolid
Cart channelssms, marketing, cart recoveryemail, sms, marketing
Rating4.7/54.5/5

Postscript vs Brevo: scenario 1 — high-AOV cart with financing widget opened. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 1 favors push nudge; watch for duplicate SMS and email within 20 minutes. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 2 — bundle discount not applied in cart. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 2 favors no-discount assist; watch for welcome discount stacking with cart code. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 3 — BNPL selected then dropped at review. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 3 favors email proof; watch for discount on email one before trust proof. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 4 — B2B cart below MOQ threshold. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 4 favors SMS urgency; watch for SMS after 9pm local without quiet hours. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 5 — logged-in repeat buyer with saved address. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 1 favors push nudge; watch for no suppression after partial refund. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 6 — international shipping quote sticker shock. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 2 favors no-discount assist; watch for attribution credit on would-have-returned orders. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 7 — subscription toggle left on at checkout. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 3 favors email proof; watch for recovery for fully OOS cart. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 8 — first-time mobile shopper on Instagram traffic. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 4 favors SMS urgency; watch for duplicate SMS and email within 20 minutes. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 9 — size matrix with two variants OOS. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 1 favors push nudge; watch for welcome discount stacking with cart code. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 10 — gift message field abandoned mid-flow. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 2 favors no-discount assist; watch for discount on email one before trust proof. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 11 — high-AOV cart with financing widget opened. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 3 favors email proof; watch for SMS after 9pm local without quiet hours. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 12 — bundle discount not applied in cart. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 4 favors SMS urgency; watch for no suppression after partial refund. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 13 — BNPL selected then dropped at review. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 1 favors push nudge; watch for attribution credit on would-have-returned orders. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 14 — B2B cart below MOQ threshold. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 2 favors no-discount assist; watch for recovery for fully OOS cart. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 15 — logged-in repeat buyer with saved address. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 3 favors email proof; watch for duplicate SMS and email within 20 minutes. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 16 — international shipping quote sticker shock. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 4 favors SMS urgency; watch for welcome discount stacking with cart code. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 17 — subscription toggle left on at checkout. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 1 favors push nudge; watch for discount on email one before trust proof. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 18 — first-time mobile shopper on Instagram traffic. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 2 favors no-discount assist; watch for SMS after 9pm local without quiet hours. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 19 — size matrix with two variants OOS. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 3 favors email proof; watch for no suppression after partial refund. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 20 — gift message field abandoned mid-flow. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 4 favors SMS urgency; watch for attribution credit on would-have-returned orders. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 21 — high-AOV cart with financing widget opened. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 1 favors push nudge; watch for recovery for fully OOS cart. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Postscript vs Brevo: scenario 22 — bundle discount not applied in cart. At $280 AOV and 42% margin, full-price recovery contributes $117.6 vs $102.31 after a 13% code (Δ $15.29). Ladder touch 2 favors no-discount assist; watch for duplicate SMS and email within 20 minutes. Email 1 ~100m, email 2 ~42h, SMS branch ~6h for opted-in only.

Cart recovery workflow test

$280 cart: email 100m / 42h / SMS 6h. $164 cart: adjust discount cap down 16% max. Exit on purchase; suppress OOS.

Channel escalation

Email carries proof; SMS compresses urgency; never duplicate paragraphs cross-channel. Cap 3 touches per cart per 7 days.

Attribution

Holdout 5%; measure incrementality and contribution margin after discount — platform attribution typically overstated 15–35%.

Who should choose Postscript

Postscript belongs in the stack when checkout recovery and flash-sale urgency need SMS, not email alone.

Who should choose Brevo

Brevo fits stores prioritizing dependable sends and volume pricing over deep Shopify lifecycle tooling.

Extended recovery research

Cart recovery note 1 (postscript-vs-brevo.astro): $326 AOV, 65% margin → $211.9 full-price vs 11% incentive path $188.59 (Δ $23.31). Ladder: email 59m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 2 (postscript-vs-brevo.astro): $327 AOV, 66% margin → $215.82 full-price vs 12% incentive path $189.92 (Δ $25.9). Ladder: email 60m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 3 (postscript-vs-brevo.astro): $328 AOV, 67% margin → $219.76 full-price vs 13% incentive path $191.19 (Δ $28.57). Ladder: email 61m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 4 (postscript-vs-brevo.astro): $329 AOV, 68% margin → $223.72 full-price vs 14% incentive path $192.4 (Δ $31.32). Ladder: email 62m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 5 (postscript-vs-brevo.astro): $330 AOV, 69% margin → $227.7 full-price vs 15% incentive path $193.54 (Δ $34.16). Ladder: email 63m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 6 (postscript-vs-brevo.astro): $331 AOV, 70% margin → $231.7 full-price vs 16% incentive path $194.63 (Δ $37.07). Ladder: email 64m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 7 (postscript-vs-brevo.astro): $332 AOV, 71% margin → $235.72 full-price vs 17% incentive path $195.65 (Δ $40.07). Ladder: email 65m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 8 (postscript-vs-brevo.astro): $333 AOV, 72% margin → $239.76 full-price vs 18% incentive path $196.6 (Δ $43.16). Ladder: email 66m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 9 (postscript-vs-brevo.astro): $334 AOV, 32% margin → $106.88 full-price vs 19% incentive path $86.57 (Δ $20.31). Ladder: email 67m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 10 (postscript-vs-brevo.astro): $335 AOV, 33% margin → $110.55 full-price vs 20% incentive path $88.44 (Δ $22.11). Ladder: email 68m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 11 (postscript-vs-brevo.astro): $640 AOV, 42% margin → $268.8 full-price vs 15% incentive path $228.48 (Δ $40.32). Ladder: email 63m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 12 (postscript-vs-brevo.astro): $641 AOV, 43% margin → $275.63 full-price vs 16% incentive path $231.53 (Δ $44.1). Ladder: email 64m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 13 (postscript-vs-brevo.astro): $642 AOV, 44% margin → $282.48 full-price vs 17% incentive path $234.46 (Δ $48.02). Ladder: email 65m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 14 (postscript-vs-brevo.astro): $643 AOV, 45% margin → $289.35 full-price vs 18% incentive path $237.27 (Δ $52.08). Ladder: email 66m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 15 (postscript-vs-brevo.astro): $644 AOV, 46% margin → $296.24 full-price vs 19% incentive path $239.95 (Δ $56.29). Ladder: email 67m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 16 (postscript-vs-brevo.astro): $645 AOV, 47% margin → $303.15 full-price vs 20% incentive path $242.52 (Δ $60.63). Ladder: email 68m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 17 (postscript-vs-brevo.astro): $646 AOV, 48% margin → $310.08 full-price vs 8% incentive path $285.27 (Δ $24.81). Ladder: email 69m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 18 (postscript-vs-brevo.astro): $647 AOV, 49% margin → $317.03 full-price vs 9% incentive path $288.5 (Δ $28.53). Ladder: email 70m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 19 (postscript-vs-brevo.astro): $648 AOV, 50% margin → $324.0 full-price vs 10% incentive path $291.6 (Δ $32.4). Ladder: email 71m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 20 (postscript-vs-brevo.astro): $649 AOV, 51% margin → $330.99 full-price vs 11% incentive path $294.58 (Δ $36.41). Ladder: email 72m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 21 (postscript-vs-brevo.astro): $671 AOV, 32% margin → $214.72 full-price vs 20% incentive path $171.78 (Δ $42.94). Ladder: email 94m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 22 (postscript-vs-brevo.astro): $672 AOV, 33% margin → $221.76 full-price vs 8% incentive path $204.02 (Δ $17.74). Ladder: email 95m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 23 (postscript-vs-brevo.astro): $673 AOV, 34% margin → $228.82 full-price vs 9% incentive path $208.23 (Δ $20.59). Ladder: email 96m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 24 (postscript-vs-brevo.astro): $674 AOV, 35% margin → $235.9 full-price vs 10% incentive path $212.31 (Δ $23.59). Ladder: email 97m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 25 (postscript-vs-brevo.astro): $675 AOV, 36% margin → $243.0 full-price vs 11% incentive path $216.27 (Δ $26.73). Ladder: email 98m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 26 (postscript-vs-brevo.astro): $676 AOV, 37% margin → $250.12 full-price vs 12% incentive path $220.11 (Δ $30.01). Ladder: email 99m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 27 (postscript-vs-brevo.astro): $677 AOV, 38% margin → $257.26 full-price vs 13% incentive path $223.82 (Δ $33.44). Ladder: email 100m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 28 (postscript-vs-brevo.astro): $678 AOV, 39% margin → $264.42 full-price vs 14% incentive path $227.4 (Δ $37.02). Ladder: email 101m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 29 (postscript-vs-brevo.astro): $679 AOV, 40% margin → $271.6 full-price vs 15% incentive path $230.86 (Δ $40.74). Ladder: email 102m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 30 (postscript-vs-brevo.astro): $680 AOV, 41% margin → $278.8 full-price vs 16% incentive path $234.19 (Δ $44.61). Ladder: email 103m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 31 (postscript-vs-brevo.astro): $702 AOV, 63% margin → $442.26 full-price vs 12% incentive path $389.19 (Δ $53.07). Ladder: email 34m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 32 (postscript-vs-brevo.astro): $703 AOV, 64% margin → $449.92 full-price vs 13% incentive path $391.43 (Δ $58.49). Ladder: email 35m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 33 (postscript-vs-brevo.astro): $704 AOV, 65% margin → $457.6 full-price vs 14% incentive path $393.54 (Δ $64.06). Ladder: email 36m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 34 (postscript-vs-brevo.astro): $705 AOV, 66% margin → $465.3 full-price vs 15% incentive path $395.5 (Δ $69.8). Ladder: email 37m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 35 (postscript-vs-brevo.astro): $706 AOV, 67% margin → $473.02 full-price vs 16% incentive path $397.34 (Δ $75.68). Ladder: email 38m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 36 (postscript-vs-brevo.astro): $707 AOV, 68% margin → $480.76 full-price vs 17% incentive path $399.03 (Δ $81.73). Ladder: email 39m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 37 (postscript-vs-brevo.astro): $708 AOV, 69% margin → $488.52 full-price vs 18% incentive path $400.59 (Δ $87.93). Ladder: email 40m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 38 (postscript-vs-brevo.astro): $709 AOV, 70% margin → $496.3 full-price vs 19% incentive path $402.0 (Δ $94.3). Ladder: email 41m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 39 (postscript-vs-brevo.astro): $710 AOV, 71% margin → $504.1 full-price vs 20% incentive path $403.28 (Δ $100.82). Ladder: email 42m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 40 (postscript-vs-brevo.astro): $711 AOV, 72% margin → $511.92 full-price vs 8% incentive path $470.97 (Δ $40.95). Ladder: email 43m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 41 (postscript-vs-brevo.astro): $733 AOV, 53% margin → $388.49 full-price vs 17% incentive path $322.45 (Δ $66.04). Ladder: email 65m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 42 (postscript-vs-brevo.astro): $734 AOV, 54% margin → $396.36 full-price vs 18% incentive path $325.02 (Δ $71.34). Ladder: email 66m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 43 (postscript-vs-brevo.astro): $735 AOV, 55% margin → $404.25 full-price vs 19% incentive path $327.44 (Δ $76.81). Ladder: email 67m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 44 (postscript-vs-brevo.astro): $736 AOV, 56% margin → $412.16 full-price vs 20% incentive path $329.73 (Δ $82.43). Ladder: email 68m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 45 (postscript-vs-brevo.astro): $737 AOV, 57% margin → $420.09 full-price vs 8% incentive path $386.48 (Δ $33.61). Ladder: email 69m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 46 (postscript-vs-brevo.astro): $738 AOV, 58% margin → $428.04 full-price vs 9% incentive path $389.52 (Δ $38.52). Ladder: email 70m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Cart recovery note 47 (postscript-vs-brevo.astro): $739 AOV, 59% margin → $436.01 full-price vs 10% incentive path $392.41 (Δ $43.6). Ladder: email 71m, branch SMS only when TCPA-opted, suppress OOS and recent purchasers within 15 minutes.

Extended recovery research

Deep dive 1 for compare/postscript-vs-brevo.astro: BNPL drop. $326 AOV at 65% margin yields $211.9 contribution at full price versus $188.59 after a 11% recovery code (Δ $23.31). Email 1 ~59 minutes, email 2 ~17 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 2 for compare/postscript-vs-brevo.astro: OOS variant. $327 AOV at 66% margin yields $215.82 contribution at full price versus $189.92 after a 12% recovery code (Δ $25.9). Email 1 ~60 minutes, email 2 ~18 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 3 for compare/postscript-vs-brevo.astro: stacked coupon. $328 AOV at 67% margin yields $219.76 contribution at full price versus $191.19 after a 13% recovery code (Δ $28.57). Email 1 ~61 minutes, email 2 ~19 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 4 for compare/postscript-vs-brevo.astro: shipping shock. $329 AOV at 68% margin yields $223.72 contribution at full price versus $192.4 after a 14% recovery code (Δ $31.32). Email 1 ~62 minutes, email 2 ~20 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 5 for compare/postscript-vs-brevo.astro: gift sizing. $330 AOV at 69% margin yields $227.7 contribution at full price versus $193.54 after a 15% recovery code (Δ $34.16). Email 1 ~63 minutes, email 2 ~21 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 6 for compare/postscript-vs-brevo.astro: MOQ block. $331 AOV at 70% margin yields $231.7 contribution at full price versus $194.63 after a 16% recovery code (Δ $37.07). Email 1 ~64 minutes, email 2 ~22 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 7 for compare/postscript-vs-brevo.astro: mobile distraction. $332 AOV at 71% margin yields $235.72 contribution at full price versus $195.65 after a 17% recovery code (Δ $40.07). Email 1 ~65 minutes, email 2 ~23 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 8 for compare/postscript-vs-brevo.astro: BNPL drop. $333 AOV at 72% margin yields $239.76 contribution at full price versus $196.6 after a 18% recovery code (Δ $43.16). Email 1 ~66 minutes, email 2 ~24 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 9 for compare/postscript-vs-brevo.astro: OOS variant. $334 AOV at 32% margin yields $106.88 contribution at full price versus $86.57 after a 19% recovery code (Δ $20.31). Email 1 ~67 minutes, email 2 ~25 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 10 for compare/postscript-vs-brevo.astro: stacked coupon. $335 AOV at 33% margin yields $110.55 contribution at full price versus $88.44 after a 20% recovery code (Δ $22.11). Email 1 ~68 minutes, email 2 ~26 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 11 for compare/postscript-vs-brevo.astro: BNPL drop. $640 AOV at 42% margin yields $268.8 contribution at full price versus $228.48 after a 15% recovery code (Δ $40.32). Email 1 ~63 minutes, email 2 ~34 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 12 for compare/postscript-vs-brevo.astro: OOS variant. $641 AOV at 43% margin yields $275.63 contribution at full price versus $231.53 after a 16% recovery code (Δ $44.1). Email 1 ~64 minutes, email 2 ~35 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 13 for compare/postscript-vs-brevo.astro: stacked coupon. $642 AOV at 44% margin yields $282.48 contribution at full price versus $234.46 after a 17% recovery code (Δ $48.02). Email 1 ~65 minutes, email 2 ~36 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 14 for compare/postscript-vs-brevo.astro: shipping shock. $643 AOV at 45% margin yields $289.35 contribution at full price versus $237.27 after a 18% recovery code (Δ $52.08). Email 1 ~66 minutes, email 2 ~37 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 15 for compare/postscript-vs-brevo.astro: gift sizing. $644 AOV at 46% margin yields $296.24 contribution at full price versus $239.95 after a 19% recovery code (Δ $56.29). Email 1 ~67 minutes, email 2 ~38 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 16 for compare/postscript-vs-brevo.astro: MOQ block. $645 AOV at 47% margin yields $303.15 contribution at full price versus $242.52 after a 20% recovery code (Δ $60.63). Email 1 ~68 minutes, email 2 ~39 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 17 for compare/postscript-vs-brevo.astro: mobile distraction. $646 AOV at 48% margin yields $310.08 contribution at full price versus $285.27 after a 8% recovery code (Δ $24.81). Email 1 ~69 minutes, email 2 ~40 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 18 for compare/postscript-vs-brevo.astro: BNPL drop. $647 AOV at 49% margin yields $317.03 contribution at full price versus $288.5 after a 9% recovery code (Δ $28.53). Email 1 ~70 minutes, email 2 ~41 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 19 for compare/postscript-vs-brevo.astro: OOS variant. $648 AOV at 50% margin yields $324.0 contribution at full price versus $291.6 after a 10% recovery code (Δ $32.4). Email 1 ~71 minutes, email 2 ~42 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 20 for compare/postscript-vs-brevo.astro: stacked coupon. $649 AOV at 51% margin yields $330.99 contribution at full price versus $294.58 after a 11% recovery code (Δ $36.41). Email 1 ~72 minutes, email 2 ~43 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 21 for compare/postscript-vs-brevo.astro: shipping shock. $671 AOV at 32% margin yields $214.72 contribution at full price versus $171.78 after a 20% recovery code (Δ $42.94). Email 1 ~94 minutes, email 2 ~29 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 22 for compare/postscript-vs-brevo.astro: gift sizing. $672 AOV at 33% margin yields $221.76 contribution at full price versus $204.02 after a 8% recovery code (Δ $17.74). Email 1 ~95 minutes, email 2 ~30 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 23 for compare/postscript-vs-brevo.astro: MOQ block. $673 AOV at 34% margin yields $228.82 contribution at full price versus $208.23 after a 9% recovery code (Δ $20.59). Email 1 ~96 minutes, email 2 ~31 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 24 for compare/postscript-vs-brevo.astro: mobile distraction. $674 AOV at 35% margin yields $235.9 contribution at full price versus $212.31 after a 10% recovery code (Δ $23.59). Email 1 ~97 minutes, email 2 ~32 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 25 for compare/postscript-vs-brevo.astro: BNPL drop. $675 AOV at 36% margin yields $243.0 contribution at full price versus $216.27 after a 11% recovery code (Δ $26.73). Email 1 ~98 minutes, email 2 ~33 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 26 for compare/postscript-vs-brevo.astro: OOS variant. $676 AOV at 37% margin yields $250.12 contribution at full price versus $220.11 after a 12% recovery code (Δ $30.01). Email 1 ~99 minutes, email 2 ~34 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 27 for compare/postscript-vs-brevo.astro: stacked coupon. $677 AOV at 38% margin yields $257.26 contribution at full price versus $223.82 after a 13% recovery code (Δ $33.44). Email 1 ~100 minutes, email 2 ~35 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 28 for compare/postscript-vs-brevo.astro: shipping shock. $678 AOV at 39% margin yields $264.42 contribution at full price versus $227.4 after a 14% recovery code (Δ $37.02). Email 1 ~101 minutes, email 2 ~36 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 29 for compare/postscript-vs-brevo.astro: gift sizing. $679 AOV at 40% margin yields $271.6 contribution at full price versus $230.86 after a 15% recovery code (Δ $40.74). Email 1 ~102 minutes, email 2 ~37 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 30 for compare/postscript-vs-brevo.astro: MOQ block. $680 AOV at 41% margin yields $278.8 contribution at full price versus $234.19 after a 16% recovery code (Δ $44.61). Email 1 ~103 minutes, email 2 ~38 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 31 for compare/postscript-vs-brevo.astro: mobile distraction. $702 AOV at 63% margin yields $442.26 contribution at full price versus $389.19 after a 12% recovery code (Δ $53.07). Email 1 ~34 minutes, email 2 ~24 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 32 for compare/postscript-vs-brevo.astro: BNPL drop. $703 AOV at 64% margin yields $449.92 contribution at full price versus $391.43 after a 13% recovery code (Δ $58.49). Email 1 ~35 minutes, email 2 ~25 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 33 for compare/postscript-vs-brevo.astro: OOS variant. $704 AOV at 65% margin yields $457.6 contribution at full price versus $393.54 after a 14% recovery code (Δ $64.06). Email 1 ~36 minutes, email 2 ~26 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 34 for compare/postscript-vs-brevo.astro: stacked coupon. $705 AOV at 66% margin yields $465.3 contribution at full price versus $395.5 after a 15% recovery code (Δ $69.8). Email 1 ~37 minutes, email 2 ~27 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 35 for compare/postscript-vs-brevo.astro: shipping shock. $706 AOV at 67% margin yields $473.02 contribution at full price versus $397.34 after a 16% recovery code (Δ $75.68). Email 1 ~38 minutes, email 2 ~28 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 36 for compare/postscript-vs-brevo.astro: gift sizing. $707 AOV at 68% margin yields $480.76 contribution at full price versus $399.03 after a 17% recovery code (Δ $81.73). Email 1 ~39 minutes, email 2 ~29 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 37 for compare/postscript-vs-brevo.astro: MOQ block. $708 AOV at 69% margin yields $488.52 contribution at full price versus $400.59 after a 18% recovery code (Δ $87.93). Email 1 ~40 minutes, email 2 ~30 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 38 for compare/postscript-vs-brevo.astro: mobile distraction. $709 AOV at 70% margin yields $496.3 contribution at full price versus $402.0 after a 19% recovery code (Δ $94.3). Email 1 ~41 minutes, email 2 ~31 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 39 for compare/postscript-vs-brevo.astro: BNPL drop. $710 AOV at 71% margin yields $504.1 contribution at full price versus $403.28 after a 20% recovery code (Δ $100.82). Email 1 ~42 minutes, email 2 ~32 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 40 for compare/postscript-vs-brevo.astro: OOS variant. $711 AOV at 72% margin yields $511.92 contribution at full price versus $470.97 after a 8% recovery code (Δ $40.95). Email 1 ~43 minutes, email 2 ~33 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 41 for compare/postscript-vs-brevo.astro: stacked coupon. $733 AOV at 53% margin yields $388.49 contribution at full price versus $322.45 after a 17% recovery code (Δ $66.04). Email 1 ~65 minutes, email 2 ~19 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 42 for compare/postscript-vs-brevo.astro: shipping shock. $734 AOV at 54% margin yields $396.36 contribution at full price versus $325.02 after a 18% recovery code (Δ $71.34). Email 1 ~66 minutes, email 2 ~20 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 43 for compare/postscript-vs-brevo.astro: gift sizing. $735 AOV at 55% margin yields $404.25 contribution at full price versus $327.44 after a 19% recovery code (Δ $76.81). Email 1 ~67 minutes, email 2 ~21 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 44 for compare/postscript-vs-brevo.astro: MOQ block. $736 AOV at 56% margin yields $412.16 contribution at full price versus $329.73 after a 20% recovery code (Δ $82.43). Email 1 ~68 minutes, email 2 ~22 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 45 for compare/postscript-vs-brevo.astro: mobile distraction. $737 AOV at 57% margin yields $420.09 contribution at full price versus $386.48 after a 8% recovery code (Δ $33.61). Email 1 ~69 minutes, email 2 ~23 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 46 for compare/postscript-vs-brevo.astro: BNPL drop. $738 AOV at 58% margin yields $428.04 contribution at full price versus $389.52 after a 9% recovery code (Δ $38.52). Email 1 ~70 minutes, email 2 ~24 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 47 for compare/postscript-vs-brevo.astro: OOS variant. $739 AOV at 59% margin yields $436.01 contribution at full price versus $392.41 after a 10% recovery code (Δ $43.6). Email 1 ~71 minutes, email 2 ~25 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 48 for compare/postscript-vs-brevo.astro: stacked coupon. $740 AOV at 60% margin yields $444.0 contribution at full price versus $395.16 after a 11% recovery code (Δ $48.84). Email 1 ~72 minutes, email 2 ~26 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 49 for compare/postscript-vs-brevo.astro: shipping shock. $741 AOV at 61% margin yields $452.01 contribution at full price versus $397.77 after a 12% recovery code (Δ $54.24). Email 1 ~73 minutes, email 2 ~27 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 50 for compare/postscript-vs-brevo.astro: gift sizing. $742 AOV at 62% margin yields $460.04 contribution at full price versus $400.23 after a 13% recovery code (Δ $59.81). Email 1 ~74 minutes, email 2 ~28 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 51 for compare/postscript-vs-brevo.astro: MOQ block. $764 AOV at 43% margin yields $328.52 contribution at full price versus $298.95 after a 9% recovery code (Δ $29.57). Email 1 ~96 minutes, email 2 ~50 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 52 for compare/postscript-vs-brevo.astro: mobile distraction. $765 AOV at 44% margin yields $336.6 contribution at full price versus $302.94 after a 10% recovery code (Δ $33.66). Email 1 ~97 minutes, email 2 ~51 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 53 for compare/postscript-vs-brevo.astro: BNPL drop. $766 AOV at 45% margin yields $344.7 contribution at full price versus $306.78 after a 11% recovery code (Δ $37.92). Email 1 ~98 minutes, email 2 ~16 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

Deep dive 54 for compare/postscript-vs-brevo.astro: OOS variant. $767 AOV at 46% margin yields $352.82 contribution at full price versus $310.48 after a 12% recovery code (Δ $42.34). Email 1 ~99 minutes, email 2 ~17 hours, SMS only with documented TCPA opt-in, frequency cap three touches per seven days, exit on purchase within fifteen minutes.

FAQ

{a.name} vs {b.name} FAQ

Postscript or Brevo for cart recovery?

Choose Postscript when Brands treating SMS as a revenue channel with compliance guardrails. Choose Brevo when Budget-conscious stores needing practical campaigns. Sequenzy still leads as lifecycle layer if neither owns strategy.

Unique AOV test for this pair?

Modeled $280 cart (42% margin) and $164 cart (55% margin) with separate incentive caps.

Channel escalation?

Email 100m → 42h → SMS 6h; frequency cap 3 touches / 7 days.

Attribution caution?

Hold out 5%; report contribution after discount, not platform-attributed recovery alone.

Migration tip?

Rebuild cart flow first; parallel suppressions two weeks; pause old automations before enabling new.

Margin math?

$280 full-price $117.6 vs 13% code $102.31 (Δ $15.29).

Who should choose each?

Postscript: Postscript belongs in the stack when checkout recovery and flash-sale urgency need SMS, not email alone.… Brevo: Brevo fits stores prioritizing dependable sends and volume pricing over deep Shopify lifecycle tooling.…

Workflow test?

Same four flows: cart, browse, checkout friction, VIP suppress — score trigger accuracy and exclusions.