Checkmate is a savings app with over one million users that have saved $$$ on brands like Groupon.
The Checkmate extension automatically applies Groupon discount codes, Groupon coupons and more to give you discounts on products like Admission to the Houston Museum of Natural Science (Up to 21% Off). Nine Options Available..
Checkmate users have also been loving these products from Groupon.
Users have been saving products like this to their collections.