Capital One Shopping

The browser extension that replaced Wikibuy (acquired by Capital One) compares prices across retailers in real time and applies available coupon codes automatically. Capital One Shopping rewards members can earn credits even without a Capital One card, making it accessible to any online shopper seeking passive price optimisation. It is faster than the typical rival extension, saving users an average of 20% per purchase, and beats #4 Rakuten by offering cashback at over 1,000 more stores.