Clearer.io Address Validator vs Chek Checkout Rules Validation
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for Clearer.io Address Validator, Sep 30, 2026 for Chek Checkout Rules Validation.
The short answer
- Chek Checkout Rules Validation lists 3 features Clearer.io Address Validator’s listing doesn’t mention, including Custom rules, Payment method rules, Shipping method rules.
Head to head
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureEven small errors, like a missing apartment number or a typo in the street name, can result in up to $25 in carrier fees, it's not just about lost packages, it's about your bottom line. While Shopify’s Google auto-complete offers address auto-complete, it doesn't guarantee deliverability. These errors can lead to undeliverable shipments, costly reshipping fees, and unhappy customers.
Chek 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.
- Automatically prompt customers to fix invalid addresses before shipping.
- Prevent undeliverable addresses: PO boxes, ZIP codes, Military, Emojis, etc.
- Customize address prompts and messaging to match your store's design and brand.
- Works with express checkouts like ApplePay, GooglePay, and PayPal Express.
- Validate addresses for missing details before checkout.
- Reduce failed deliveries caused by address issues.
- Apply validation rules that fit your store’s checkout needs.
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 |  Clearer.io Address Validator |  Chek Checkout Rules Validation |
|---|---|---|
| Detected stores | 494 | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | 47% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, Australia, United Kingdom | Not published |
Reviews
| Measure | Clearer.io Address Validator | Chek Checkout Rules Validation |
|---|---|---|
| App Store rating | 4.7 ★ | Not published |
| App Store reviews | 198 | Not published |
| New reviews, 28 days | 2 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Clearer.io Address Validator | Chek Checkout Rules Validation |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | Clearer.io Address Validator | Chek Checkout Rules Validation |
|---|---|---|
| Shopify category rank | #102 | #226 |
| Shopify App Charts | #14 in Shipping | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jan 4, 2017 | Sep 18, 2026 |
| Languages | 1 | 1 |
| Developer | RoboTurk | Chek |
FAQ
Clearer.io Address Validator and Chek Checkout Rules Validation: common questions
- What features does each app list that the other doesn’t?
- Clearer.io Address Validator lists 2 the others don’t mention, such as Address validation, Order updates. 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 Nov 7, 2026 for Clearer.io Address Validator, Sep 30, 2026 for Chek Checkout Rules Validation; 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 Nov 7, 2026 for Clearer.io Address Validator, Sep 30, 2026 for Chek Checkout Rules Validation. 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.