PromoLock: Discount Blocker
Free trialBlock or disable discount codes and gift cards at checkout. Stop code stacking and discounts on sale items, and see what each code costs your margin.
Merchant Reviews
30-Day Trends
Category Rankings
- Category
Marketing and conversion apps > Promotion apps > Discount apps
Get them in the door with a great deal. Create and manage discount codes and blowout sales.
Rank: 255 / 1160
Last seen 2026-10-16
Collection Rankings
- Collection
Reject Discount Codes powered by Functions
Apps that integrate seamlessly with Shopify admin, allowing you to reject discount codes with a custom message.
Rank: 5 / 6
Last seen 2026-10-16
Rank: 1911 / 6231
Last seen 2026-10-15
Rank: 1913 / 6236
Last seen 2026-10-15
- Collection
These apps have cleared Shopify’s highest quality bar for safety, performance, and usefulness.
Rank: 1668 / 1785
Last seen 2026-10-15
Rank: 1913 / 6236
Last seen 2026-10-15
Rank: 1911 / 6231
Last seen 2026-10-15
Rank: 1913 / 6237
Last seen 2026-10-15
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