Side-by-side comparison · 24 data points
Stop fake CoD orders, recover abandoned carts, and grow repeat revenue using Official WhatsApp API
| Cartsaver COD & OTP | Zarbiter | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated |
| Metric | Cartsaver COD & OTP | Zarbiter |
|---|---|---|
| Rating | 5.0 ★ | — |
| Total reviews | 57 | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 2 tiers |
| Listed features | ★ 5 | 3 |
| Featured placements | 1 | — |
| Languages | 4 supported | 1 supported |
| Listed since | May 2025 | May 2026 |
Based on the data on this page, Cartsaver COD & OTP is the stronger choice for most Shopify App Store merchants — 5.0★ vs Zarbiter's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Cartsaver COD & OTP at Free plan available, Zarbiter at Free plan available. 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.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Cartsaver COD & OTP; mid-market and enterprise merchants with specific feature requirements should evaluate both — Zarbiter's 0-review base may include the workflow context that matches your specific use case better than Cartsaver COD & OTP'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: Cartsaver COD & OTP audit • Zarbiter audit
| — |
| Keyword | Cartsaver COD & OTP | Zarbiter |
|---|---|---|
| order notifications | #3 | Not ranked |
| pay later | #7 | Not ranked |
| later | #8 | Not ranked |
Not featured in any section recently.
No tracked changes.
Both Cartsaver COD & OTP and Zarbiter offer paid plans only. Cartsaver COD & OTP starts at Free plan available; Zarbiter starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
AppRanks cannot separate these two on rating, because neither publishes one. Cartsaver COD & OTP does carry the larger published review base (57 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Cartsaver COD & OTP has the deeper published review base (57 vs 0), 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.
Cartsaver COD & OTP typically suits early-stage and growth-mode teams based on its published review base (57 reviews). Zarbiter typically suits early-stage and growth-mode teams based on its published review base (0 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. Cartsaver COD & OTP and Zarbiter 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 Zarbiter" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
