---
title: "Cart Validation: Custom Rules Shopify App Profile"
description: "Stop losing money on shipping errors and manual order reviews. Our clinical rules engine puts a bouncer at your checkout to block invalid orders instantly. Built on Shopify Functions for maximum speed, you can enforce minimum quantities, restrict zip codes, or hide payment methods based on 40\\+ logic conditions. Whether you’re managing B2B wholesale limits or high-risk fraud, our app ensures your store follows your rules perfectly. Simple. Fast. Native."
canonical_url: "https://shoplist.co/shopify-apps/rulecart-conditional-checkout"
markdown_url: "https://shoplist.co/shopify-apps/rulecart-conditional-checkout.md"
last_updated: "2026-06-23"
entity_type: "shopify_app"
slug: "rulecart-conditional-checkout"
source: "public Shopify app profile allowlist"
---

# Cart Validation: Custom Rules Shopify App Profile

> Stop losing money on shipping errors and manual order reviews. Our clinical rules engine puts a bouncer at your checkout to block invalid orders instantly. Built on Shopify Functions for maximum speed, you can enforce minimum quantities, restrict zip codes, or hide payment methods based on 40\+ logic conditions. Whether you’re managing B2B wholesale limits or high-risk fraud, our app ensures your store follows your rules perfectly. Simple. Fast. Native.

## Quick answer
Cart Validation: Custom 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: Cart Validation: Custom Rules
- Monitoring status: Storefront detection limited
- Developer: Auremist
- Developer profile: https://shoplist.co/app-developers/conversinatinst
- Shopify App Store URL: https://apps.shopify.com/rulecart-conditional-checkout
- Launch date: November 25, 2025
- Shoplist category: Product Reviews & UGC

## Pricing summary
Free

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.


## Public callouts
- Block checkout based on cart rules \(min/max value, quantities, product types\)
- Allow or block checkout based on customer tags
- Create unlimited conditions and combine them
- Show custom messages when rules apply
## Shopify App Store categories
- Checkout - Other

## Data note
Profile updated: June 23, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-26 22:46:31.969171\+00
Detection metrics refreshed: 2026-10-26 00:00:00.489943\+00
Public app evidence date: 2026-06-23 02:12:03.46152\+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/rulecart-conditional-checkout)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)