Side-by-side comparison · 24 data points
Convert your checkout into a conversion engine with custom checkout rules, fields and customizer.
| Checkout Blocks & Customizer | Custom Form Builder by Websyms | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — |
Build Unlimited Forms with ease and hassle-free. No limits and no restrictions on using any feature.
| Metric | Checkout Blocks & Customizer | Custom Form Builder by Websyms |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.4 ★ |
| Total reviews | 11 | ★ 19 |
| Free plan | Yes | Yes |
| Pricing | Free | Free trial available |
| Built for Shopify | — | — |
| Pricing tiers | — | 4 tiers |
| Listed features | ★ 5 | 3 |
| Languages | 1 supported | 1 supported |
| Listed since | May 2023 | Oct 2018 |
Based on the data on this page, Checkout Blocks & Customizer is the stronger choice for most Shopify App Store merchants — 5.0★ vs Custom Form Builder by Websyms's 4.4★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Checkout Blocks & Customizer at Free, Custom Form Builder by Websyms at Free trial 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 Checkout Blocks & Customizer; mid-market and enterprise merchants with specific feature requirements should evaluate both — Custom Form Builder by Websyms's 19-review base may include the workflow context that matches your specific use case better than Checkout Blocks & Customizer'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: Checkout Blocks & Customizer audit • Custom Form Builder by Websyms audit
| Keyword | Checkout Blocks & Customizer | Custom Form Builder by Websyms |
|---|---|---|
| form | #37 | #62 |
| forms | #35 | #67 |
| feedback form | #236 | #139 |
| event form | #240 | #136 |
Both Checkout Blocks & Customizer and Custom Form Builder by Websyms offer paid plans only. Checkout Blocks & Customizer starts at Free; Custom Form Builder by Websyms starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
Checkout Blocks & Customizer has the higher average rating (5.0★ from 11 reviews) compared to Custom Form Builder by Websyms (4.4★ from 19 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Checkout Blocks & Customizer 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. Custom Form Builder by Websyms has the deeper published review base (19 vs 11), 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.
Checkout Blocks & Customizer typically suits early-stage and growth-mode teams based on its published review base (11 reviews). Custom Form Builder by Websyms typically suits early-stage and growth-mode teams based on its published review base (19 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. Checkout Blocks & Customizer and Custom Form Builder by Websyms 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 Checkout Blocks & Customizer" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
