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 Teeth Whitening Pen Gel Kit: 35% Carbamide Peroxide Gel for Stain Removal - No Sensitivity with Remineralizing Pen for a Brighter Whiter Smile Mint.
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.