We put Wikibuy in the Rebate Category, however, they are more famous for their price comparison app, scouring the web for the best deals. Wikibuy was founded and is based in Austin, and was acquired by Capital One in 2018. Wikibuy is a completely free tool that makes it effortless for consumers to save by automatically finding lower prices, coupons, and rewards when users shop online. Some people state that if it can't find a coupon it will redirect your browser to others sites and so they avoid it. Others do not like browser extentions. You may love it or not want it, in any case you can check it out.