Most gamers have heard of (and used) Gamefly, and the app just further solidifies the brand as a fantastic, money-saving resource. Browse for, rent, pre-order, or purchase your favorite games at killer prices, as well stay in the loop on the latest in video games news. Earn GameFly rewards and use coupons to save you even more money. The "Game of the Day" app is particularly nice feature that highlights a free or discounted game every single day.