Cart Block: checkout validator

Cart Block: checkout validator

Pricing
Free plan available. Free trial available.
Rating
4.9 (18)
Developer
Nextools

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

Languages

English

Works with

Pricing

FREE DEV

Free

Features

  • Free for dev stores
  • Free for Shopify Plus sandbox stores

Premium Plan

$3.99 / month

or $38.28/year and save 20%

Features

  • - All Free Plan included
  • - Unlimited Checkout Validation Rules
  • - Validate Shipping Address
  • - Validate Cart Items
  • - Block Checkout
  • - Block Cart
  • - Prevent Fraud
  • - Premium Support

7-day free trial

Advanced Plan

$5.99 / month

or $57.50/year and save 20%

Features

  • - All Premium Plan included
  • - Unlimited Checkout Validation Rules
  • - Mix Different Conditions
  • - Validate Cart Items
  • - Block Cart And Checkout
  • - Target Specific Markets
  • - Premium Support

7-day free trial

Ultimate Plan

$7.99 / month

or $76.70/year and save 20%

Features

  • - All Advanced Plan included
  • - Shopify Plus Only
  • - Block Discount Codes
  • - Block with Specific Payment Method
  • - Block with Specific Delivery Method
  • - Premium Support

7-day free trial

All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.

Reviews (18)

Overall rating
4.9
Counts per rating level
  • 89% of ratings are 5 stars
  • 6% of ratings are 4 stars
  • 0% of ratings are 3 stars
  • 0% of ratings are 2 stars
  • 6% of ratings are 1 stars
January 16, 2026

I had a great experience with Abhi who helped me set up a cart block validation!

Tom & Teddy UK
United Kingdom
About 2 hours using the app
Nextools replied January 16, 2026

Thank you very much for your review, we really appreciate your support 😊

May 8, 2026

Great Experience

Olivia Shukria | Online Store
Pakistan
About 1 hour using the app
Nextools replied May 8, 2026

Thank you very much for your review, we really appreciate your support 😊

May 4, 2026

Great app, thanks Abhi for helping me!

dariadéh
Austria
38 minutes using the app
Nextools replied May 4, 2026

Thank you very much for your review, we really appreciate your support 😊

Support

App support provided by Nextools.

Developer

Nextools

Via Val di Lanzo, Rome, RM, 00141, IT

Launched

February 2, 2024 · Changelog

Data access

This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .

View staff and contributor data:

Store owner

  • Store owner

    Name, email address, phone number, physical address

View and edit store data:

Discounts, Shopify Functions, Online Store

  • Edit discounts

    Discount codes and promotions

  • Edit Shopify Functions

    Cart and checkout validations

  • Edit Online Store

    Metaobjects, metaobject definitions

  • View other data

    Shopify Markets settings

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