Checkmate is a savings app with over one million users that have saved $$$ on brands like Smart Youdao.
The Checkmate extension automatically applies Smart Youdao discount codes, Smart Youdao coupons and more to give you discounts on products like Identity V - Crafter's Workshop Truth & Inference Series Blind Box.
Checkmate users have also been loving these products from Smart Youdao.
Users have been saving products like this to their collections.