IN THE FIELD GUIDE
promolock
promolock.app
PromoLock is a Shopify app that enforces discount code rules at checkout to prevent unintended discount losses. It integrates multiple discount management features into one system, including stacking control, bulk code generation, fraud prevention, and analytics on discount losses.
THE PRODUCT, BEYOND THE PITCH
Automatically researched · Not editorially reviewed · Sources checked Sep 14, 2026
A good fit for
- Shopify merchants who want to control discount code usage and prevent margin loss from unintended discounts and coupon leaks.
Know the limitations
Not confirmed yet.
What you can do
- Preventing unintended discount losses such as stacking codes, applying discounts on sale items, and uncapped offers.
Features
- Block control to decide what a discount code is allowed to do, such as stopping stacking and blocking codes on sale items.
- LeakHunt to find discount codes on coupon sites and shut them down with one click, also blocking coupon browser extensions from applying unintended codes.
- Discount engine to create offers with conditions on subtotal, customer tags, and products, with different discount amounts for parts of the cart and hard caps on discounts.
- Bulk codes feature to generate up to 100,000 unique single-use, guess-resistant codes behind one offer, all inheriting the same cap.
- Fraud guard that limits one code redemption per person, detecting alias emails and duplicate accounts to prevent code farming (Shopify Plus only).
Integrations
Not confirmed yet.
Platforms & data export
- Shopify stores, including Shopify Plus.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$0.00/month
1 of 1 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
A practical workflow
- Activate LeakHunt from the PromoLock dashboard to enable coupon site scanning and extension blocking.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
Filter alternatives →Candidates based on category and primary feature. Check feature and pricing differences before switching.
Plan a switch from promolock →What changed
1 recorded change · latest 9/14/2026
Changes to the facts recorded here, not a live scan of every vendor update. Save this tool to follow updates in your account.
Updated: best for, features, limitations, platforms, sources, use cases, walkthrough
See recorded changes
bestForBefore: []
After: ["Shopify merchants who want to control discount code usage and prevent margin loss from unintended discounts and coupon leaks."]
featuresBefore: ["Blocks discount code stacking and prevents codes from applying to sale items at checkout.","LeakHunt finds discount codes leaked on coupon sites and disables them with one click; it also blocks coupon browser extensions from applying leaked codes.","Generates up to 100,000 unique, single-use, guess-resistant bulk discount codes under one offer.","Fraud Guard prevents multiple redemptions of a code by the same person, even across alias emails and duplicate accounts (Shopify Plus only).","Provides daily analytics reports showing unintended discount losses, including sale-item loss and stacking loss, excluding planned promotions."]
After: ["Block control to decide what a discount code is allowed to do, such as stopping stacking and blocking codes on sale items.","LeakHunt to find discount codes on coupon sites and shut them down with one click, also blocking coupon browser extensions from applying unintended codes.","Discount engine to create offers with conditions on subtotal, customer tags, and products, with different discount amounts for parts of the cart and hard caps on discounts.","Bulk codes feature to generate up to 100,000 unique single-use, guess-resistant codes behind one offer, all inheriting the same cap.","Fraud guard that limits one code redemption per person, detecting alias emails and duplicate accounts to prevent code farming (Shopify Plus only)."]
limitationsBefore: ["Fraud Guard feature is only available for Shopify Plus stores."]
After: []
platformsBefore: []
After: ["Shopify stores, including Shopify Plus."]
sourcesBefore: [{"url":"https://promolock.app/","label":"PromoLock — The discount you intended. Nothing more."},{"url":"https://promolock.app/docs/features/leakhunt/","label":"PromoLock Docs — LeakHunt"},{"url":"https://promolock.app/docs","label":"PromoLock Docs — What is PromoLock?"}]
After: [{"url":"https://promolock.app/","label":"PromoLock — The discount you intended. Nothing more."},{"url":"https://promolock.app/docs/features/leakhunt/","label":"PromoLock Docs — LeakHunt"}]
useCasesBefore: ["Prevent unintended discount losses caused by stacking codes, applying discounts to sale items, and uncapped offers.","Detect and disable leaked discount codes on coupon sites and block coupon browser extensions from applying them at checkout."]
After: ["Preventing unintended discount losses such as stacking codes, applying discounts on sale items, and uncapped offers."]
walkthroughBefore: ["Activate LeakHunt from the PromoLock dashboard to find and disable leaked discount codes and enable Extension Guard to block coupon extensions."]
After: ["Activate LeakHunt from the PromoLock dashboard to enable coupon site scanning and extension blocking."]
Comments
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