Blockify Checkout Customizer vs Cart Block: checkout validator
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026.
The short answer
- Blockify Checkout Customizer is detected on 1444× as many Shopify stores as Cart Block: 2,887 vs 2 as of Nov 8, 2026.
- On the Shopify App Store: Blockify Checkout Customizer 4.9 from 319 reviews and Cart Block 4.7 from 26 reviews.
- Both list a free plan. Paid plans start at $9.99/month for Blockify Checkout Customizer and $3.99/month for Cart Block.
- Cart Block lists 9 features Blockify Checkout Customizer’s listing doesn’t mention, including Cart-based, Geolocation, Payment methods.
Head to head
- United States
- United Kingdom
- Canada
- Australia
- Singapore
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
FREE
- · 1 active single rule (Limited condition)
- · 24/7 Live chat support
- · Best for development stores
BASIC
- · 1 Hide dynamic payment
- · 1 active sync Payment, Shipping
- · 24/7 Live chat support
- · 3 active Shipping Discounts
- · 3 active checkout validation rules
PREMIUM
- · 24/7 Live chat support
- · No limit to set COD fee
- · Order Status Page Customization
- · Unlimited Checkout validation rules
- · Unlimited Payment & Shipping rules
- · Unlimited Shipping Discounts rules
SHOPIFY PLUS
- · All include in Premium
- · Checkout Page Customizations
- · Checkout Upsell & Discounts
- · Exclusive Shopify Plus Condition Set
- · Order Status Page Customization
- · VIP Tier Support
FREE DEV
- · Free for Shopify Plus sandbox stores
- · Free for dev stores
Premium Plan
- · - All Free Plan included
- · - Block Cart
- · - Block Checkout
- · - Premium Support
- · - Prevent Fraud
- · - Unlimited Checkout Validation Rules
Advanced Plan
- · - All Premium Plan included
- · - Block Cart And Checkout
- · - Mix Different Conditions
- · - Premium Support
- · - Target Specific Markets
- · - Unlimited Checkout Validation Rules
Ultimate Plan
- · - All Advanced Plan included
- · - Block Discount Codes
- · - Block with Specific Delivery Method
- · - Block with Specific Payment Method
- · - Premium Support
- · - Shopify Plus Only
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBlockify brings powerful checkout customization and checkout rules to your Shopify store. Use Blockify Checkout Rules customizer, validate carts and addresses, set oder limits, and streamline payment and shipping. Reduce friction on checkout customization & stop spam and fake orders with checkout form, and boost AOV with checkout rules/blocks and post‑purchase blocks.
CartBlock's customizable conditions allow you to set specific rules, blocking purchases an orders based on criteria like product quantity, country, customer profiles, discount code and much more making it the perfect solution for blocking customers or bots. It maintains transparency through warnings and messages at critical points, ensuring customers are well-informed.
- Manage your info validation, payment, shipping on checkout page in 1 dashboard
- Create & validate checkout rules by shipping address, customer, date time, cart
- Hide shipping/payment methods to tailor checkout experience for customers
- Hide Express Checkout button on checkout page
- Block or validate purchase in product, cart and checkout page.
- Display warnings and messages on product pages, cart pages, and during checkout.
- Bots Block: protect your store from fraudulent transactions trough transparency.
- Built using "Native Shopify Functions” = Faster and More Integrated
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 | Blockify Checkout Customizer |  Cart Block |
|---|---|---|
| Detected stores | 2,887(ahead) | 2 |
| Net store change, 28 days | +23 | 0 |
| Stores added, 28 days | 43 | Not enough data |
| Big-brand share | 17% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Apparel & Accessories, Electronics |
| Top store countries | United States, United Kingdom, Canada | Australia, Singapore |
Reviews
| Measure | Blockify Checkout Customizer | Cart Block |
|---|---|---|
| App Store rating | 4.9 ★(ahead) | 4.7 ★ |
| App Store reviews | 319(ahead) | 26 |
| New reviews, 28 days | 10(ahead) | 2 |
| Reviewers a year or more in | 6% | Not enough data |
Pricing
| Measure | Blockify Checkout Customizer | Cart Block |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9.99/month | $3.99/month(ahead) |
| Longest free trial | 3 days | 7 days |
| Plans listed | 4 | 4 |
Listing
| Measure | Blockify Checkout Customizer | Cart Block |
|---|---|---|
| Shopify category rank | #1 | #11 |
| Shopify App Charts | #1 in Checkout - Other | Not on this week’s charts |
| Built for Shopify | Yes | Yes |
| Launched | Aug 19, 2024 | Feb 2, 2024 |
| Languages | 1 | 1 |
| Developer | Blockify | Nextools |
FAQ
Blockify Checkout Customizer and Cart Block: common questions
- Which is more popular, Blockify Checkout Customizer or Cart Block?
- Blockify Checkout Customizer is detected on 1444× as many Shopify stores as Cart Block: 2,887 vs 2 as of Nov 8, 2026.
- Is Blockify Checkout Customizer or Cart Block cheaper?
- Both list a free plan. Paid plans start at $9.99/month for Blockify Checkout Customizer and $3.99/month for Cart Block. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Blockify Checkout Customizer or Cart Block?
- On the Shopify App Store: Blockify Checkout Customizer 4.9 from 319 reviews and Cart Block 4.7 from 26 reviews.
- What features does each app list that the other doesn’t?
- Blockify Checkout Customizer lists 3 the others don’t mention, such as Custom branding, Multi-language, Translation. Cart Block lists 9 the others don’t mention, such as Cart-based, Geolocation, Payment methods, Price-based. 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 8, 2026; 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 8, 2026. 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.