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| Kindly | SmartrMail | |
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Email and SMS marketing for ecommerce merchants who want to sell, not run an email agency.
| Metric | Kindly: Payment Reminder Pro | SmartrMail Email & SMS |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.7 ★ |
| Total reviews | 31 | ★ 305 |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Languages | 3 supported | 1 supported |
| Listed since | Aug 2020 | Nov 2013 |
Kindly: Payment Reminder Pro edges out SmartrMail Email & SMS on rating (5.0★ vs 4.7★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number.
Pricing entry tiers: Kindly: Payment Reminder Pro at Free trial available, SmartrMail Email & SMS 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.
SmartrMail Email & SMS has the larger user base (305 reviews vs 31), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Kindly: Payment Reminder Pro'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 Kindly: Payment Reminder Pro; mid-market and enterprise merchants with specific feature requirements should evaluate both — SmartrMail Email & SMS's 305-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 • SmartrMail Email & SMS audit
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| Keyword | Kindly | SmartrMail |
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| #85 | #53 |
No tracked changes.
Both Kindly: Payment Reminder Pro and SmartrMail Email & SMS offer paid plans only. Kindly: Payment Reminder Pro starts at Free trial available; SmartrMail Email & SMS starts at Free to install. 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 SmartrMail Email & SMS (4.7★ from 305 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 4.7★). 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. SmartrMail Email & SMS has the deeper published review base (305 vs 31), 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). SmartrMail Email & SMS typically suits early-stage and growth-mode teams based on its published review base (305 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 SmartrMail Email & 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 Kindly: Payment Reminder Pro" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
