BoomGate: Checkout Validation 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 9, 2026.
The short answer
- BoomGate is detected on 9.5× as many Shopify stores as Cart Block: 19 vs 2 as of Nov 9, 2026.
- On the Shopify App Store: BoomGate 4.9 from 47 reviews and Cart Block 4.7 from 26 reviews.
- Both list a free plan. Paid plans start at $4.99/month for BoomGate and $3.99/month for Cart Block.
- Cart Block lists 3 features BoomGate’s listing doesn’t mention, including Custom messages, Payment methods, Purchase frequency.
Head to head
- United States
- United Kingdom
- Australia
- 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 validation or customisation rule
- · Any Shopify plan
- · Standard support (72h)
Standard
- · 25 validation or customisation rules
- · For Basic and Grow
- · Help with custom rule setup
- · No condition limits
- · Priority support (24h)
Advanced
- · 25 validation or customisation rules
- · For Advanced stores
- · Help with custom rule setup
- · No condition limits
- · Priority support (24h)
Plus
- · 25 validation or customisation rules
- · Custom checkout fields
- · For Plus stores
- · Help with custom rule setup
- · No condition limits
- · Priority support (24h)
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 featureBoomGate adds a validation layer to your checkout that decides which orders can be completed. Build conditional rules from cart contents, product details, quantities, customer tags, order history, and shipping or billing addresses, then block checkout with a clear custom message when an order doesn't qualify.
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.
- Build custom checkout validation rules: min/max quantities, required tags & more
- Browse templates and select a predefined rule.
- Add custom error messaging in different storefront languages.
- 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 |  BoomGate |  Cart Block |
|---|---|---|
| Detected stores | 19(ahead) | 2 |
| 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 | Health & Beauty, Apparel & Accessories, Sporting Goods | Apparel & Accessories, Electronics |
| Top store countries | United States, United Kingdom, Australia | Australia, Singapore |
Reviews
| Measure | BoomGate | Cart Block |
|---|---|---|
| App Store rating | 4.9 ★(ahead) | 4.7 ★ |
| App Store reviews | 47(ahead) | 26 |
| New reviews, 28 days | 4(ahead) | 2 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | BoomGate | Cart Block |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $4.99/month | $3.99/month(ahead) |
| Longest free trial | Not listed | 7 days |
| Plans listed | 4 | 4 |
Listing
| Measure | BoomGate | Cart Block |
|---|---|---|
| Shopify category rank | #6(ahead) | #11 |
| Shopify App Charts | #21 in Order limits | Not on this week’s charts |
| Built for Shopify | Yes | Yes |
| Launched | May 17, 2024 | Feb 2, 2024 |
| Languages | 1 | 1 |
| Developer | Code57 | Nextools |
FAQ
BoomGate and Cart Block: common questions
- Which is more popular, BoomGate or Cart Block?
- BoomGate is detected on 9.5× as many Shopify stores as Cart Block: 19 vs 2 as of Nov 9, 2026.
- Is BoomGate or Cart Block cheaper?
- Both list a free plan. Paid plans start at $4.99/month for BoomGate 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, BoomGate or Cart Block?
- On the Shopify App Store: BoomGate 4.9 from 47 reviews and Cart Block 4.7 from 26 reviews.
- What features does each app list that the other doesn’t?
- BoomGate lists 1 the others don’t mention, such as Multi-language. Cart Block lists 3 the others don’t mention, such as Custom messages, Payment methods, Purchase frequency. 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 9, 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 9, 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.