---
title: "CartShield: Checkout Rules Shopify App Profile"
description: "CartShield protects merchant profits by validating orders directly inside checkout using server-side Shopify Functions. Unlike legacy apps that rely on cart scripts bypassed by 1-click express wallets or browser tools, CartShield cannot be skipped. Prevent couriers from rejecting freight by blocking PO Boxes and parcel lockers. Stop unauthorized orders of sample kits without catalog items, and enforce B2B wholesale case multiples. Edge execution with zero theme code or store slowdown."
canonical_url: "https://shoplist.co/shopify-apps/cartshield-checkout-rules"
markdown_url: "https://shoplist.co/shopify-apps/cartshield-checkout-rules.md"
last_updated: "2026-11-03"
entity_type: "shopify_app"
slug: "cartshield-checkout-rules"
source: "public Shopify app profile allowlist"
---

# CartShield: Checkout Rules Shopify App Profile

> CartShield protects merchant profits by validating orders directly inside checkout using server-side Shopify Functions. Unlike legacy apps that rely on cart scripts bypassed by 1-click express wallets or browser tools, CartShield cannot be skipped. Prevent couriers from rejecting freight by blocking PO Boxes and parcel lockers. Stop unauthorized orders of sample kits without catalog items, and enforce B2B wholesale case multiples. Edge execution with zero theme code or store slowdown.

## Quick answer
CartShield: Checkout Rules has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: CartShield: Checkout Rules
- Monitoring status: First-adopter watch
- Developer: ModApps
- Developer profile: https://shoplist.co/app-developers/modapps
- Shopify App Store URL: https://apps.shopify.com/cartshield-checkout-rules
- Website: https://shield.modapps.dev/
- Launch date: November 3, 2026
- Shoplist category: Shipping & Fulfillment
- Free plan signal: Yes
- Free trial signal: Yes

## Pricing summary
Free Starter: Free; Pro Protection: $19.99/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## App Signals
As of November 4, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: not enough observed days yet
- Primary App Store category: Order limits
- Listing reviews: 0

## Public callouts
- Block PO Boxes and parcel lockers for heavy freight and restricted items
- Require qualifying catalog items to purchase discounted sample kits
- Enforce B2B wholesale case pack multiples like cartons of 6, 12, or 24
- Validate checkout server-side across express digital wallets and one-page flows
- Set minimum or maximum cart spending limits per product collection
## Shopify App Store categories
- Order limits
- Shipping solutions - Other

## Data note
Profile updated: November 3, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-04 13:41:09.206511\+00
Detection metrics refreshed: 2026-11-04 10:00:00.233104\+00
Public app evidence date: 2026-11-03 17:40:01.403373\+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/cartshield-checkout-rules)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)