Side-by-side comparison · 24 data points
Block customer checkout by email, phone, name or address. Find past chargebacks and block them.
| Chargeback Blacklist | FormSentry spam blocker | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
FormSentry blocks contact form spam invisibly. No CAPTCHAs, no code changes, no customer friction.
| Metric | Chargeback Blacklist | FormSentry spam blocker |
|---|---|---|
| Rating | ★ 5.0 ★ | 1.0 ★ |
| Total reviews | ★ 9 | 1 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free trial available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 12 supported |
| Listed since | Nov 2025 | Mar 2026 |
Based on the data on this page, Chargeback Blacklist is the stronger choice for most Shopify App Store merchants — 5.0★ vs FormSentry spam blocker's 1.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Chargeback Blacklist at Free plan available, FormSentry spam blocker 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 Chargeback Blacklist; mid-market and enterprise merchants with specific feature requirements should evaluate both — FormSentry spam blocker's 1-review base may include the workflow context that matches your specific use case better than Chargeback Blacklist'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: Chargeback Blacklist audit • FormSentry spam blocker audit
| Last updated | — | — |
|---|
| Keyword | Chargeback Blacklist | FormSentry spam blocker |
|---|---|---|
| form spam protection | Not ranked | #1 |
| email phone name | #2 | Not ranked |
| custom page blocks | #3 | Not ranked |
| fraud filter | #20 | Not ranked |
| contact form | Not ranked | #83 |
No tracked changes.
Both Chargeback Blacklist and FormSentry spam blocker offer paid plans only. Chargeback Blacklist starts at Free plan available; FormSentry spam blocker starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
Chargeback Blacklist has the higher average rating (5.0★ from 9 reviews) compared to FormSentry spam blocker (1.0★ from 1 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Chargeback Blacklist holds the higher average rating (5.0★ vs 1.0★). 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. Chargeback Blacklist has the deeper published review base (9 vs 1), 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.
Chargeback Blacklist typically suits early-stage and growth-mode teams based on its published review base (9 reviews). FormSentry spam blocker typically suits early-stage and growth-mode teams based on its published review base (1 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. Chargeback Blacklist and FormSentry spam blocker 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 FormSentry spam blocker" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.