PromoLock ‑ Discount Blocker

Name: PromoLock ‑ Discount Blocker
Brand: WEBx47
Rating: 5.0 (5 reviews)

Pricing: From $49/month. Free trial available.
Rating: 5.0 (5)
Developer: WEBx47

Protect your margins by controlling exactly when discounts & giftcards apply at checkout.

PromoLock gives merchants precise control over discounts and gift cards at checkout. Block all codes site-wide, restrict to specific patterns, or set custom rules to handle any type of cart — including sale items discount control. Apply dynamic variables so rules adapt in real time, and show custom error messages that stay on-brand — no theme changes, no performance impact.

Block discount codes and gift cards at checkout with one click
Handle discounts when sale items are in the cart
Create custom rules to handle any use case
Show localized custom error messages to buyers

Languages

English

Works with

Checkout
Shopify Admin

Pricing

Basic

$49 / month

Features

One-click discount code disable
One-click gift card disable
Allow/block specific discount codes
Custom localized error message
Discount code stacking control
Custom rules engine

2-day free trial

Shopify Plus

$299 / month

Features

One-click discount & gift card disable
Custom rules engine & dynamic variables
Allow/block specific discount codes
Advanced pattern-based control
Custom localized error message
Discount code stacking control
GiftCard stacking disable
Dedicated Support

2-day free trial

All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.

Reviews (5)

Overall rating

Counts per rating level

100% of ratings are 5 stars
5
0% of ratings are 4 stars
0% of ratings are 3 stars
0% of ratings are 2 stars
0% of ratings are 1 stars

All reviews

April 13, 2026

PromoLock app is working really well for our needs, and the support team has been great—quick to respond and very helpful. Overall, a smooth and reliable experience.

Linda's Electric Quilters

United States

About 2 months using the app

WEBx47 replied April 13, 2026

Thank you! Glad PromoLock is working well for you. I personally keep a close eye on support, so happy to hear the experience has been smooth. Always here if you need anything.

November 25, 2025

works perfect and absolutely needed on every shopify site for black friday or other site markdowns. only issue is how hard this was to find in the shopify app store.

Lemonhead LA

United States

About 21 hours using the app

WEBx47 replied November 26, 2025

Thanks so much for the great review! I’m glad PromoLock works perfectly for your store, especially during big sales.

If you ever need anything, I’m here to help!

April 15, 2026

Very easy to use, is able to turn off and on specific discounts. Has a lot of settings/options to choose from!

Nathan James

United States

WEBx47 replied April 16, 2026

Thanks for taking the time to leave this. Glad it's been easy to work with. If anything comes up or you'd like to see something added, just message me directly — I read every one.