App Overview
Cart Lock: Block Checkout Rules is a powerful Shopify app designed to help store owners prevent unwanted purchases by setting customizable rules for cart validation and checkout restrictions. The app allows you to block orders based on criteria like country, product quantity, customer profiles, discounts, and more, effectively stopping bots and fraudulent activity in real time. With features such as country blocking, minimum order limits, and warnings displayed during checkout or on product pages, Cart Lock ensures transparency while maintaining control over your store's purchasing process. Easy to integrate with a simple setup, it empowers you to validate orders, restrict cart currency, and enforce specific conditions, giving you peace of mind and greater control over your Shopify store.
Screenshots

Block unwanted transactions and bots, ensuring only valid orders are placed through multiple rules.
Cart Lock offers customizable conditions to block unwanted purchases based on specific rules such as country, product quantity, customer profiles, discounts, markets, and more—making it ideal for stopping bots. With real-time validation powered by Shopify Functions, it ensures only valid orders are placed. Transparency is maintained through clear warnings, keeping customers informed. Moreover it’s very easy to integrate, with a simple form, making it a straightforward solution for store owners.
Key Features
- Block customers by country blocker, amount, minimum order quantity limits.
- Block fraud orders, block shipping, zip codes, states and block 0 orders.
- Validate orders, block cart currency, discount amounts, customer tags, company.
- Block country. Show warnings on cart, product pages and during checkout.
- Cart validation rules, checkout restrictions, minimum quantity order limits.
Cart Lock:Block Checkout Rules FAQs
Yes! Try Cart Lock:Block Checkout Rules free plan. For more details about Cart Lock:Block Checkout Rules pricing, check here.

Get in Touch
with us
Whether you need more information on how LetsMetrix can help enhance your Shopify experience, or require technical support, don't hesitate to contact us. We're available 24/7 via email, phone, or live chat to ensure you have all the assistance you need.
