Side-by-side comparison
Block checkout with address validation, order limits and custom checkout rules.
| Metric | King Checkout Validation | PayGate: Checkout Rules |
|---|---|---|
| Rating | 5.0 ★ | 5.0 ★ |
| Total reviews | ★ 20 | 1 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 3 tiers | 2 tiers |
| Listed features | 5 | 5 |
On the measured data here, King Checkout Validation leads on more dimensions (3 vs 1). Pick PayGate 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: King Checkout Validation audit • PayGate: Checkout Rules audit
| Field | King Checkout Validation | PayGate |
|---|---|---|
| Tagline | ||
| Listing audit | 92/100 listing audit | 88/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| Languages | 12 supported | 1 supported |
|---|
| Listed since | Mar 2024 | Oct 2026 |
|---|
| Listed |
|---|
| Keyword | King Checkout Validation | PayGate |
|---|---|---|
| checkout order validation | #2 | Not ranked |
| set order limits | #6 | Not ranked |
| limits | #15 | Not ranked |
| ai chat | Not ranked | #123 |
No tracked changes.
Both King Checkout Validation and PayGate: Checkout Rules offer a free plan. King Checkout Validation lists no paid plan with a published price; PayGate: Checkout Rules 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.
King Checkout Validation (5.0★, 20 reviews) and PayGate: Checkout Rules (5.0★, 1 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
AppRanks cannot separate these two on rating — both sit at 5.0★. King Checkout Validation does carry the larger published review base (20 vs 1). 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; King Checkout Validation has more published reviews to read for user-reported install experience (20 vs 1).
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: King Checkout Validation has 20 published reviews; PayGate: Checkout Rules has 1 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. King Checkout Validation and PayGate: Checkout Rules 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 PayGate: Checkout Rules" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.