| BoomGate | King Checkout Validation | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
Block checkout with address, phone, order limit validation, and more
| Metric | BoomGate: Checkout Validation | King Checkout Validation |
|---|---|---|
| Rating | 4.9 ★ | ★ 5.0 ★ |
| Total reviews | ★ 41 | 20 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 3 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Languages | 14 supported | 1 supported |
| Listed since | May 2024 | Mar 2024 |
BoomGate: Checkout Validation and King Checkout Validation are evenly matched on rating (4.9★ vs 5.0★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: BoomGate: Checkout Validation at Free plan available, King Checkout Validation 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.
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: BoomGate: Checkout Validation audit • King Checkout Validation audit
| Last updated | — | — |
|---|
| Keyword | BoomGate | King Checkout Validation |
|---|---|---|
| checkout order validation | #1 | #2 |
| max quantity | #6 | #12 |
| address validation checker | #8 | #12 |
| zipcode validation | #10 | #14 |
| validate eu vat | #11 | #17 |
Both BoomGate: Checkout Validation and King Checkout Validation offer paid plans only. BoomGate: Checkout Validation starts at Free plan available; King Checkout Validation starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
BoomGate: Checkout Validation (4.9★, 41 reviews) and King Checkout Validation (5.0★, 20 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
King Checkout Validation holds the higher average rating (5.0★ vs 4.9★). 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. BoomGate: Checkout Validation has the deeper published review base (41 vs 20), 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.
BoomGate: Checkout Validation typically suits early-stage and growth-mode teams based on its published review base (41 reviews). King Checkout Validation typically suits early-stage and growth-mode teams based on its published review base (20 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. BoomGate: Checkout Validation and King Checkout Validation 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 King Checkout Validation" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.