Blockit: Checkout Rule
Free planCheckout validation for Shopify stores. Block P.O. boxes and prevent invalid orders, set order limits by product or amount, and reject misused discount codes.
Merchant Reviews
30-Day Trends
Category Rankings
- Category
Store design apps > Notification apps
Grab people's attention and let them know about special offers, announcements, and other opportunities.
Rank: 194 / 493
Last seen 2026-11-07
Rank: 4 / 80
Last seen 2026-11-07
- Category
Marketing and conversion apps > Checkout apps
Make checkout the easiest part of your shopping experience.
Rank: 176 / 494
Last seen 2026-11-07
- Category
Marketing and conversion apps > Checkout apps > Order limit apps
Cap how many items someone can buy. Set weight limits, minimum purchase amounts, and other constraints, too.
Rank: 26 / 169
Last seen 2026-11-06
Collection Rankings
Rank: 860 / 6743
Last seen 2026-11-06
- Collection
These apps have cleared Shopify’s highest quality bar for safety, performance, and usefulness.
Rank: 1141 / 1877
Last seen 2026-11-06
Rank: 860 / 6745
Last seen 2026-11-06
Rank: 860 / 6743
Last seen 2026-11-06
Rank: 860 / 6746
Last seen 2026-11-06
Rank: 860 / 6746
Last seen 2026-11-06
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