Checkmate is a savings app with over one million users that have saved $$$ on brands like Amazon.
The Checkmate extension automatically applies Amazon discount codes, Amazon coupons and more to give you discounts on products like BACtrack C6 Keychain Breathalyzer (2 Pack) | Professional-Grade Accuracy | Optional Smartphone Connectivity | Compatible w/Apple iPhone & Android Devices | Apple HealthKit Integration.
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.