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 Authentic Nixie Tube Clock with Replaceable IN-8 Nixie Tubes, Temperature Sensor, Alarm Clock, High Precision, Made in Ukraine (Olive Ash) (IN-8, Olive Ash).
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.