Side-by-side comparison
Grow your list and drive more revenue with 1:1 AI personalization across SMS, RCS, and email.
| Metric | Postscript SMS Marketing | SendHeap: Email, SMS & Pop Ups |
|---|---|---|
| Rating | 4.7 ★ | — |
| Total reviews | 1.2k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free plan available |
| Pricing tiers | 3 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 1 supported |
On the measured data here, Postscript SMS Marketing leads on more dimensions (3 vs 1). Pick SendHeap if one of the points where it leads is what you need.
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: Postscript SMS Marketing audit • SendHeap: Email, SMS & Pop Ups audit
| Field | Postscript SMS Marketing | SendHeap |
|---|---|---|
| Tagline | ||
| Listing audit | 90/100 listing audit | 90/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| Listed since |
|---|
| Sep 2018 |
| Oct 2025 |
| Listed |
|---|
None
| Keyword | Postscript SMS Marketing | SendHeap |
|---|---|---|
| sms marketing | #8 | Not ranked |
| sms marketing and notifications | #9 | Not ranked |
| sms marketing campaigns | #10 | Not ranked |
| Not ranked | #186 |
Both Postscript SMS Marketing and SendHeap: Email, SMS & Pop Ups offer a free plan. Postscript SMS Marketing lists no paid plan with a published price; SendHeap: Email, SMS & Pop Ups lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
AppRanks cannot separate these two on rating, because neither publishes one. Postscript SMS Marketing does carry the larger published review base (1,205 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. AppRanks doesn't measure setup time directly; Postscript SMS Marketing has more published reviews to read for user-reported install experience (1,205 vs 0).
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: Postscript SMS Marketing has 1,205 published reviews; SendHeap: Email, SMS & Pop Ups has 0 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. Postscript SMS Marketing and SendHeap: Email, SMS & Pop Ups 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 SendHeap: Email, SMS & Pop Ups" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.