Cart Block: checkout validator
by Nextools
4.7
(25 reviews)
Best suited for stores willing to start free and move to $3/mo.
CartBlock validates or blocks any order, protects from bots and frauds using multiple conditions 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. A smart dynamic Captcha with single or multiple conditions can be added to the checkout. 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. A smart dynamic Captcha with single or multiple conditions can be added to the checkout. more Block or validate purchases/orders by multiple rules. Display warnings and messages on product pages, cart pages, and during checkout. Bots Block: protect your store from fraudulent transactions Smart Dynamic Captcha in the checkout with single or multiple conditions Multichannel support: in-app chat, website resources and social media engagement
Copy from the Shopify App Store listing, unedited.Order limits
Top line
conversion rate and average order value
From $3.99/mo
free plan available · 4 tiers
77/100
Solid · from 22 reviews
What it does
Block or validate purchases/orders by multiple rules.
Display warnings and messages on product pages, cart pages, and during checkout.
Bots Block: protect your store from fraudulent transactions
Smart Dynamic Captcha in the checkout with single or multiple conditions
Multichannel support: in-app chat, website resources and social media engagement
What each step up actually buys you
This developer's plans are separated by features, not by how big your store is — so there is no volume that picks a tier for you. Here is what each one adds over the one below it.
FREE DEV
Free
Free for dev stores
Free for Shopify Plus sandbox stores
Premium Plan
$3.99/month
- All Free Plan included
- Unlimited Checkout Validation Rules
- Validate Shipping Address
- Validate Cart Items
- Block Checkout
- Block Cart
Advanced Plan
$5.99/month
- All Premium Plan included
- Mix Different Conditions
- Block Cart And Checkout
- Target Specific Markets
Ultimate Plan
$7.99/month
- All Advanced Plan included
- Shopify Plus Only
- Block Discount Codes
- Block with Specific Payment Method
- Block with Specific Delivery Method
Pricing
Free
$3.99/month
$5.99/month
$7.99/month
77
/ 100Solid
Scored on 22 merchant reviews we hold for Cart Block: checkout validator, across five checks. Every figure is computed from those reviews — expand any row to see the counts behind it.
Review history
2024–2026 · 22 reviews read| 2024 | 6 reviews |
|---|---|
| 2025 | 6 reviews |
| 2026 | 10 reviews |
What merchants say
4.7
95%
of reviews get an answer0%
had used it a year when they wroteRecent merchant reviews
The newest 8 of 25. Open one to read it in full, with the developer's reply where there is one.
Just the solution we needed. Their team was supportive in helping me create a solution for our checkout process
Fabio helped me setting the app in less than a day, I totally recommend it. Thanks!
Abhi var hjälpsam och förstod direkt vad jag gjort fel och fixade det direkt.
Great app that does exactly what we needed. We wanted to display a product to all customers globally but restrict purchasing to certain regions only, and this app handled it perfectly. The team was also really responsive and helpful when we had questions. Would highly recommend.
Abhi was quick to help and fixed right away.
Andrea was incredibly helpful in getting the exact configuration we needed set up!
Great Experience
Cart Block: checkout validator FAQ
Answered from this app's own listing and its full review record.
Best suited for stores willing to start free and move to $3/mo.
There is a free plan, paid plans start at $3.99/month, and run to $7.99/month across 4 published tiers. Prices are as listed on the Shopify App Store and can change — confirm before installing.
Cart Block: checkout validator's plans are separated by features rather than by store size — none of the tiers is capped on a volume you could state up front. Compare what each step adds over the one below it rather than trying to size yourself into a tier.
On our scorecard Cart Block: checkout validator rates 77 out of 100 — solid — read from 22 merchant reviews. The developer has published replies to 21 of 22 reviews. The score reflects what the review record shows, nothing more.
25 merchants have reviewed Cart Block: checkout validator, averaging 4.7 out of 5. We hold the review history from 2024 to 2026, which is what the year-by-year chart on this page is built from.
At a glance
4.7 / 5 · 25 reviews
4.60 from 10 reviews
10 (was 7)
21 of 22 reviews
1 months
Free plan available. Free trial available.
February 2, 2024
2024 – 2026
Will AI shoppers find this store?
Apps like this one convert the traffic you already have. Getting recommended by ChatGPT and Perplexity is a separate problem.
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