Side-by-side comparison
Convert your checkout into a conversion engine with custom checkout rules, fields and customizer.
Create and manage custom forms to collect customer data across your store
| Metric | Checkout Blocks & Customizer | Rocket Form Builder |
|---|---|---|
| Rating | 5.0 ★ | — |
| Total reviews | 11 | 0 |
| Free plan | Yes | Yes |
| Pricing | Free | Free |
| Listed features | ★ 5 | 4 |
| Languages | 1 supported | 1 supported |
| Listed since | May 2023 | May 2026 |
Checkout Blocks & Customizer and Rocket Form Builder each lead on different measured dimensions — pick by the one that matters most to you.
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: Checkout Blocks & Customizer audit • Rocket Form Builder audit
| Field | Checkout Blocks & Customizer | Rocket Form Builder |
|---|---|---|
| Tagline | ||
| Listing audit | 86/100 listing audit | 80/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| Listed |
|---|
| Keyword | Checkout Blocks & Customizer | Rocket Form Builder |
|---|---|---|
| form | #45 | #134 |
| forms | #42 | #142 |
Both Checkout Blocks & Customizer and Rocket Form Builder offer a free plan. Checkout Blocks & Customizer lists no paid plan with a published price; Rocket Form Builder 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. Checkout Blocks & Customizer does carry the larger published review base (11 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; Checkout Blocks & Customizer has more published reviews to read for user-reported install experience (11 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: Checkout Blocks & Customizer has 11 published reviews; Rocket Form Builder has 0 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. Checkout Blocks & Customizer and Rocket Form Builder 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 Rocket Form Builder" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.