Cart Lock:Block Checkout Rules

Block orders by amount, quantity, discount, customer, shipping

by KlinKode · Launched: September 2024 · Free plan available.

4.8 (78) on Shopify Built for Shopify

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Block unwanted transactions and bots, ensuring only valid orders are placed through multiple rules.

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About Cart Lock:Block Checkout 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. 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. Show more Show less

Last verified: July 17, 2026 · Fresh

App details

Developer: KlinKode
Category: Marketing & conversion
Pricing: Free plan available
Launched: September 2024
Rating: 4.8 (78) on Shopify

Key features

Free for dev store
Cart total, quantity, products, delivery
Customer tag, company, discount, market
Multiple rules & more
Up to 5 active rules.

Integrations with:

Checkout, Shopify Admin

4 plans · starts free · 3-day free trial

Free Development

Free

Essential

$6.99/month

Professional

$9.99/month

Elite

$19.99/month

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 77 Shopify App Store reviews

Use the arrows to read individual reviews

The support was very helpful and kept assisting me until I was able to use the feature I needed. Highly recommended!

— 岸田農園

Great help on figuring out implementation

— Vosges Haut-Chocolat

Great experience at the time of installation to help with creating my first rule. Thansk a lot

— Regen Peptides

I recommend!! Very nice if you need to add any rules before checkout, and they help you when you have any problem!!

— FINLINE

Great working

— Bulk Depot LLC

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— Darko Lifting

Great app and great support service. Very handy tool to have.

— Bedrooms Plus

I needed a tool to exclude a zip code from being able to choose shipping. This worked perfectly! Shahriar was very helpful and quickly got me the result I had been searching for.

— Change Clothing

helpful, fixed my issue fast

— TheArtsOfDani

Shahriar was very helpful and helped me solve a problem in under 15 minutes!

— Inciardi Prints

Shahriar was very quick to help and got my issues resolved in a matter of minutes!

— Leda Health Innovations

The best app in the world! it works very well and customer support is very helpful!

— HALLYUSUPERSTORE

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— SnackShop by CitiBlue

No free plan, they mislead the users by having a free plan, but then you find out it's for dev stores only. That's very misleading. Pricing is insane for a such app. I mean... I need to block 1 customer and for that I need to pay 9 USD every single month? Crazy.

— AmóurDiamant™