Cash Back Rewards by AllGives is a free iPhone app developed by Andre Gruebele, falling under the Lifestyle category with a focus on Shopping. The app offers a $20 bonus for new members who shop at participating stores, in addition to regular cash back rewards of up to 20% on purchases across various categories like fashion and travel.

With over 300 renowned brands onboard, users can conveniently save money while contributing to charitable causes through their everyday shopping. Cash back rates provided by AllGives are claimed to be 3 times higher than other similar apps, with a promise to beat any better public offer found elsewhere.