Side-by-side comparison · 24 data points
Create and execute SMS programs to drive incremental revenue by engaging customers via text message
| Postscript SMS Marketing | Rly | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
| Metric | Postscript SMS Marketing | Rly: WhatsApp Marketing |
|---|---|---|
| Rating | 4.7 ★ | ★ 4.8 ★ |
| Total reviews | ★ 1.2k | 57 |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 3 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | 1 | — |
| Languages | 1 supported | 5 supported |
| Listed since | Sep 2018 | Apr 2024 |
Postscript SMS Marketing and Rly: WhatsApp Marketing are evenly matched on rating (4.7★ vs 4.8★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: Postscript SMS Marketing at Free to install, Rly: WhatsApp Marketing 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.
Postscript SMS Marketing has the larger user base (1,207 reviews vs 57), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Rly: WhatsApp Marketing's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort for 7-14 days before committing. The data tables below show the per-feature breakdown — for most merchants the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone.
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: Postscript SMS Marketing audit • Rly: WhatsApp Marketing audit
| Last updated | — | — |
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| Keyword | Postscript SMS Marketing | Rly |
|---|---|---|
| instagram chat | #92 | #81 |
Not featured in any section recently.
No tracked changes.
Both Postscript SMS Marketing and Rly: WhatsApp Marketing offer paid plans only. Postscript SMS Marketing starts at Free to install; Rly: WhatsApp Marketing starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Postscript SMS Marketing (4.7★, 1,207 reviews) and Rly: WhatsApp Marketing (4.8★, 57 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Rly: WhatsApp Marketing holds the higher average rating (4.8★ 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. Postscript SMS Marketing has the deeper published review base (1,207 vs 57), 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.
Postscript SMS Marketing typically suits early-stage and growth-mode teams based on its published review base (1,207 reviews). Rly: WhatsApp Marketing typically suits early-stage and growth-mode teams based on its published review base (57 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. Postscript SMS Marketing and Rly: WhatsApp 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 Rly: WhatsApp Marketing" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
