Side-by-side comparison
Block checkout with address validation, order limits and custom checkout rules.
| Metric | CartGate: Checkout Rules | King Checkout Validation |
|---|---|---|
| Rating | 5.0 ★ | 5.0 ★ |
| Total reviews | 15 | ★ 20 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 2 tiers | ★ 3 tiers |
| Listed features | 5 | 5 |
CartGate and King Checkout Validation 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: CartGate: Checkout Rules audit • King Checkout Validation audit
| Field | CartGate | King Checkout Validation |
|---|---|---|
| Tagline | ||
| Listing audit | 88/100 listing audit | 92/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| Languages | 1 supported | 12 supported |
|---|
| Listed since | Apr 2026 | Mar 2024 |
|---|
| Listed |
|---|
| Keyword | CartGate | King Checkout Validation |
|---|---|---|
| checkout rules and validation | #10 | #4 |
Both CartGate: Checkout Rules and King Checkout Validation offer a free plan. CartGate: Checkout Rules lists no paid plan with a published price; King Checkout Validation 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.
CartGate: Checkout Rules (5.0★, 15 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.
AppRanks cannot separate these two on rating — both sit at 5.0★. King Checkout Validation does carry the larger published review base (20 vs 15). 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 15).
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: CartGate: Checkout Rules has 15 published reviews; King Checkout Validation has 20 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. CartGate: Checkout Rules 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 CartGate: 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.