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1. Listing metadata
Field-level data| Kindly | Retainful | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated |
| Kindly | Retainful | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated |
| Metric | Kindly: Payment Reminder Pro | Retainful Email Marketing, SMS |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.4 ★ |
| Total reviews | ★ 31 | 28 |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free plan available |
| Built for Shopify | — | — |
| Pricing tiers | ★ 4 tiers | 2 tiers |
| Listed features | 5 | 5 |
| Languages | 3 supported | 1 supported |
| Listed since | Aug 2020 | Apr 2020 |
Based on the data on this page, Kindly: Payment Reminder Pro is the stronger choice for most Shopify App Store merchants — 5.0★ vs Retainful Email Marketing, SMS's 4.4★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Kindly: Payment Reminder Pro at Free trial available, Retainful Email Marketing, SMS 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 Kindly: Payment Reminder Pro; mid-market and enterprise merchants with specific feature requirements should evaluate both — Retainful Email Marketing, SMS's 28-review base may include the workflow context that matches your specific use case better than Kindly: Payment Reminder Pro'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: Kindly: Payment Reminder Pro audit • Retainful Email Marketing, SMS audit
| — |
| Keyword | Kindly | Retainful |
|---|---|---|
| order emails | #11 | Not ranked |
| draft order | #24 | Not ranked |
| payment form | #40 | Not ranked |
Both Kindly: Payment Reminder Pro and Retainful Email Marketing, SMS offer paid plans only. Kindly: Payment Reminder Pro starts at Free trial available; Retainful Email Marketing, SMS starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Kindly: Payment Reminder Pro has the higher average rating (5.0★ from 31 reviews) compared to Retainful Email Marketing, SMS (4.4★ from 28 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Kindly: Payment Reminder Pro holds the higher average rating (5.0★ vs 4.4★). 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. Kindly: Payment Reminder Pro has the deeper published review base (31 vs 28), 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.
Kindly: Payment Reminder Pro typically suits early-stage and growth-mode teams based on its published review base (31 reviews). Retainful Email Marketing, SMS typically suits early-stage and growth-mode teams based on its published review base (28 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. Kindly: Payment Reminder Pro and Retainful Email Marketing, SMS 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 Retainful Email Marketing, SMS" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
