Margin Defender: Block Coupons

Margin Defender: Block Coupons

Pricing
$7.99/month. Free trial available.
Rating
0.0 (0 Reviews)
Developer
CosModo

Stop losing money on accidental discounts. Protect your margins with ease

Ever run a 20% off Black Friday sale, only to realise a customer used it on a premium product with a 10% margin? Margin Defender is your failsafe! Margin Defender prevents you from accidentally discounting premium items that should never be on sale. Simply tag specific products as "protected," and this app will block checkout if any discount code is applied while those items are in the cart. Designed to be the simplest, most efficient way to protect your bottom line from unintended discounts.

Ever run a 20% off Black Friday sale, only to realise a customer used it on a premium product with a 10% margin? Margin Defender is your failsafe! Margin Defender prevents you from accidentally discounting premium items that should never be on sale. Simply tag specific products as "protected," and this app will block checkout if any discount code is applied while those items are in the cart. Designed to be the simplest, most efficient way to protect your bottom line from unintended discounts. more
  • Shield low-margin items from coupon abuse and never sell at a loss
  • Instantly block checkout if a discount hits a protected product.
  • Total coverage: Protects against manual codes and auto-discounts.
  • Failsafe design ensures checkout always works, even if validation times out.

Languages

English

Works with

Categories

Managing discounts

Pricing

Product Protection

$7.99 / month

or $79.99/year and save 17%

7-day free trial

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

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Support

App support provided by CosModo.

Developer

CosModo

Newcastle, NSW, AU

Launched

March 11, 2026

Data access

This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .

View staff and contributor data:

Store owner

  • Store owner

    Name, email address, phone number, physical address

View and edit store data:

Products, Shopify Functions

  • Edit products

    Products, collections

  • Edit Shopify Functions

    Cart and checkout validations

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