Best Appifyfor Shopify merchantsBest Appifyfor Shopify merchants
Validates cart, address, customer info. Implements VAT, house number, apartment checks, length checks, smart matching. reduces returns. Defines shopping future.
Free plan available, paid plans from $4.99/month. Prices are the published USD list prices on the Shopify App Store and exclude usage charges.
| Plan | Price |
|---|---|
| Free | Free |
| Basic | $4.99/month |
| Premium | $9.99/month |
The top plan is 2.0× the entry plan, a normal spread — the tiers are most likely gated on volume rather than on features.
We track Shopify App Store search results daily. King Checkout Validation currently sits at #2 for “checkout validation”, and is in the top 10 for 7 of the terms we track it on.
| Search term | Position | How contested |
|---|---|---|
| checkout validation | #2 | Approachable(29/100) |
| king | #4 | Moderate(52/100) |
| phone | #5 | Hard(73/100) |
| address validator | #8 | Approachable(27/100) |
| swatch kings | #8 | Moderate(56/100) |
| address validation | #9 | Approachable(27/100) |
| seo king | #9 | Hard(61/100) |
| swatch king | #11 | Hard(60/100) |
| checkout ampliado | #12 | Approachable(34/100) |
| wishlist king | #13 | Approachable(37/100) |
| checkout champ | #13 | Approachable(35/100) |
| checkout transparente | #13 | Approachable(35/100) |
Its most contested win is “phone” at #5, a term we score 73/100 for difficulty — the apps competing for it hold thousands of reviews between them.
Showing its 12 strongest positions of 25 tracked search terms.
King Checkout Validation has a free plan, and paid plans start at $4.99 per month. The free tier is normally capped on volume, so check the limit against what your store does today.
King Checkout Validation publishes 3 plans: Free (free), Basic at $4.99/month, Premium at $9.99/month. These are list prices from the Shopify App Store and exclude any usage-based charges.
King Checkout Validation holds 5 out of 5 from 17 merchant reviews. That is a small sample, so weigh the rating lightly — read the most recent reviews and judge the app on its features and support instead.
King Checkout Validation currently ranks #2 for "checkout validation" in Shopify App Store search, based on our daily rank tracking.
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