Cart Lock:Block Checkout Rules
Free planCart Lock validates orders on Shopify using custom rules like cart total, discount, shipping countries, customers etc for checkout, cart, and product pages.





Merchant Reviews
30-Day Trends
Category Rankings
- Category
Marketing and conversion apps > Checkout
Make checkout the easiest part of your shopping experience.
Rank: 39 / 496
Last seen 2026-09-19
- Category
Marketing and conversion apps > Checkout > Order limit apps
Cap how many items someone can buy. Set weight limits, minimum purchase amounts, and other constraints, too.
Rank: 11 / -24
Last seen 2026-09-19
Collection Rankings
Rank: 394 / -24
Last seen 2026-09-19
Rank: 400 / -24
Last seen 2026-09-20
Rank: 401 / -24
Last seen 2026-09-20
Rank: 386 / -24
Last seen 2026-09-18
Rank: 401 / 5841
Last seen 2026-09-20
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