Chek Checkout Rules Validation vs PS: Checkout Rules
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Sep 30, 2026 for Chek Checkout Rules Validation, Oct 14, 2026 for PS.
The short answer
- Only PS lists a free plan.
- Chek Checkout Rules Validation lists 3 features PS’s listing doesn’t mention, including Custom rules, Payment method rules, Shipping method rules.
Head to head
Free
- · PO Box blocking in 10+ languages
- · Social CTA: WhatsApp, IG, FB, X, TikTok
- · Thank-you verification banner
- · Unlimited orders, 1 active rule
- · Your own custom error message
Pro
- · Blocked-orders log with CSV export
- · Checkout banners with conditions
- · Everything in Free
- · One-click product upsell at checkout
- · Post-purchase survey saved to the order
- · Savings dashboard + analytics
Pro Annual
- · All 5 validation rules, not just PO Box
- · Everything in Pro, billed yearly
- · Lock in your price for 12 months
- · One-click product upsell at checkout
- · Post-purchase survey saved to the order
- · Save 33% vs paying monthly
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureChek helps Shopify stores validate checkout information and prevent invalid orders. Take control of your checkout rules with address validation to block PO Boxes and military addresses, customer validation to catch fake names, and cart validation to set order value, weight and quantity limits. Fewer failed deliveries, fewer returns, more profit per order. Simple rules, clear error messages, no code needed.
Most stores pay one app to stop bad addresses, another to upsell at checkout, and a third to survey buyers. That is three bills and three scripts in one checkout. This app does all three. Block PO Box, Postfach and Packstation addresses in 10+ languages, require a house number, and restrict zip codes, countries, or order values. Add one-click upsell offers from a collection or your best sellers.
- Validate addresses for missing details before checkout.
- Reduce failed deliveries caused by address issues.
- Apply validation rules that fit your store’s checkout needs.
- Block PO Box, zip code, country, and order value violations at checkout
- Hide, rename, and reorder shipping and payment methods
- Add checkout banners and Thank You page blocks with live preview
- Track blocked orders and checkout violations in real-time analytics
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Chek Checkout Rules Validation |  PS |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Chek Checkout Rules Validation | PS |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 1 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Chek Checkout Rules Validation | PS |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $29.99/month |
| Longest free trial | Not listed | 1 days |
| Plans listed | Not published | 3 |
Listing
| Measure | Chek Checkout Rules Validation | PS |
|---|---|---|
| Shopify category rank | #226 | #96(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 18, 2026 | Jun 26, 2026 |
| Languages | 1 | 1 |
| Developer | Chek | Partners Studio |
FAQ
Chek Checkout Rules Validation and PS: common questions
- Is Chek Checkout Rules Validation or PS cheaper?
- Only PS lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Chek Checkout Rules Validation lists 3 the others don’t mention, such as Custom rules, Payment method rules, Shipping method rules. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Sep 30, 2026 for Chek Checkout Rules Validation, Oct 14, 2026 for PS; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Sep 30, 2026 for Chek Checkout Rules Validation, Oct 14, 2026 for PS. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.