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1. Listing metadata
Field-level data| Cart Spy | Postscript SMS Marketing | |
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| Screenshots | images | images |
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| Last updated | — | — |
| Cart Spy | Postscript SMS Marketing | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
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| Listed | ||
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Create and execute SMS programs to drive incremental revenue by engaging customers via text message
| Metric | Cart Spy: Live Carts & Replays | Postscript SMS Marketing |
|---|---|---|
| Rating | 1.0 ★ | ★ 4.7 ★ |
| Total reviews | 1 | ★ 1.2k |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | 3 tiers | 3 tiers |
| Listed features | 3 | ★ 5 |
| Featured placements | — | 1 |
| Languages | 1 supported | 1 supported |
| Listed since | May 2026 | Sep 2018 |
Based on the data on this page, Postscript SMS Marketing is the stronger choice for most Shopify App Store merchants — 4.7★ vs Cart Spy: Live Carts & Replays's 1.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Cart Spy: Live Carts & Replays at Free plan available, Postscript SMS Marketing at Free to install. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Postscript SMS Marketing has the larger user base (1,207 reviews vs 1), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Cart Spy: Live Carts & Replays's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Postscript SMS Marketing; mid-market and enterprise merchants with specific feature requirements should evaluate both — Cart Spy: Live Carts & Replays's 1-review base may include the workflow context that matches your specific use case better than Postscript SMS Marketing's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Cart Spy: Live Carts & Replays audit • Postscript SMS Marketing audit
| Keyword | Cart Spy | Postscript SMS Marketing |
|---|---|---|
| sms marketing | Not ranked | #8 |
| sms marketing for cart recovery | Not ranked | #9 |
| sms marketing campaigns | Not ranked | #10 |
| replays | #12 | Not ranked |
Not featured in any section recently.
No tracked changes.
Both Cart Spy: Live Carts & Replays and Postscript SMS Marketing offer paid plans only. Cart Spy: Live Carts & Replays starts at Free plan available; Postscript SMS Marketing starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Postscript SMS Marketing has the higher average rating (4.7★ from 1,207 reviews) compared to Cart Spy: Live Carts & Replays (1.0★ from 1 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Postscript SMS Marketing holds the higher average rating (4.7★ vs 1.0★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Postscript SMS Marketing has the deeper published review base (1,207 vs 1), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Cart Spy: Live Carts & Replays typically suits early-stage and growth-mode teams based on its published review base (1 reviews). Postscript SMS Marketing typically suits early-stage and growth-mode teams based on its published review base (1,207 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Cart Spy: Live Carts & Replays and Postscript SMS Marketing both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Cart Spy: Live Carts & Replays" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
