---
title: "Cart Block: checkout validator Shopify App Profile"
description: "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."
canonical_url: "https://shoplist.co/shopify-apps/cart-block-checkout-validator"
markdown_url: "https://shoplist.co/shopify-apps/cart-block-checkout-validator.md"
last_updated: "2026-10-28"
entity_type: "shopify_app"
slug: "cart-block-checkout-validator"
source: "public Shopify app profile allowlist"
---

# Cart Block: checkout validator Shopify App Profile

> 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.

## Quick answer
Cart Block: checkout validator has 2 detected stores in Shoplist. This Markdown profile displays 2 public brand examples; it is not a complete customer list.

## Key facts
- Name: Cart Block: checkout validator
- Monitoring status: Merchant data available
- Developer: Nextools
- Developer profile: https://shoplist.co/app-developers/nextools
- Shopify App Store URL: https://apps.shopify.com/cart-block
- Website: https://cartblock.app
- Launch date: February 2, 2024
- Shoplist category: Order limits
- Detected stores: 2
- Rating: 4.7
- Review count: 26
- Free plan signal: Yes
- Free trial signal: Yes

## Pricing summary
FREE DEV: Free; Premium Plan: $3.99/month; Advanced Plan: $5.99/month; Ultimate Plan: $7.99/month

## Shoplist app-stack sample
Shoplist has public app-stack evidence for the brands below using Cart Block: checkout validator. This Markdown page displays 2 public brands. This page exposes a small sample so agents can cite Shoplist-native install intelligence without treating the sample as the full dataset.

| Brand | Category or market | Products | Active apps | Shoplist profile |
| --- | --- | --- | --- | --- |
| By Invite Only | Apparel & Accessories | 845 | 16 | https://shoplist.co/shopify-brands/by-invite-only.md |
| Pagnian Imports | Electronics | 377 | 16 | https://shoplist.co/shopify-brands/pagnian-imports.md |

This table is intentionally a public sample. It does not expose the full brand list, install timeline, contact data, people data, internal scores, crawl provenance, or unstable operational fields.

## App Signals
As of November 9, 2026:

- Stores running it: 2, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated; 2 days held out of movement; detection coverage changed in this window)
- Primary App Store category: Order limits, #11 (14-day median position)
- Listing reviews: 26, +2 in 28 days
- Top countries: Australia: 1 stores

## Public callouts
- 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
- Multichannel support: in-app chat, website resources and social media engagement
## Shopify App Store categories
- Order limits

## Data note
Profile updated: October 28, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-09 12:12:37.254001\+00
Detection metrics refreshed: 2026-11-09 10:00:00.198215\+00
Public app evidence date: 2026-10-28 19:15:10.785123\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/cart-block-checkout-validator)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)