Side-by-side comparison
Block checkout with address validation, order limits and custom checkout rules.
| Metric | King Checkout Validation | UpsellFly:Order Limit Quantity |
|---|---|---|
| Rating | ★ 5.0 ★ | 1.0 ★ |
| Total reviews | ★ 21 | 2 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 3 tiers | 2 tiers |
| Listed features | 5 |
On the measured data here, King Checkout Validation leads on more dimensions (4 vs 1). Pick UpsellFly:Order Limit Quantity 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 • UpsellFly:Order Limit Quantity audit
| Field | King Checkout Validation | UpsellFly |
|---|---|---|
| Tagline | ||
| Listing audit | 92/100 listing audit | 84/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| 3 |
| Languages | 12 supported | 1 supported |
|---|
| Listed since | Mar 2024 | Oct 2023 |
|---|
| Listed |
|---|
| Keyword | King Checkout Validation | UpsellFly |
|---|---|---|
| checkout order validation | #2 | Not ranked |
| set order limits | #6 | Not ranked |
| zipcode delivery validation | #6 | Not ranked |
| limits quantity | Not ranked | #22 |
Both King Checkout Validation and UpsellFly:Order Limit Quantity offer a free plan. King Checkout Validation lists no paid plan with a published price; UpsellFly:Order Limit Quantity 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 has the higher average rating (5.0★ from 21 reviews) compared to UpsellFly:Order Limit Quantity (1.0★ from 2 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
King Checkout Validation 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. AppRanks doesn't measure setup time directly; King Checkout Validation has more published reviews to read for user-reported install experience (21 vs 2).
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 21 published reviews; UpsellFly:Order Limit Quantity has 2 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. King Checkout Validation and UpsellFly:Order Limit Quantity 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 UpsellFly:Order Limit Quantity" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.