If you're an avid reader and use a Kindle, then the Free Ebooks for Kindle app is definitely worth checking out. This app provides you with dozens of free Kindle books every day from different categories, including romance, crime, sci-fi, fantasy, health, and food. The app supports multiple Amazon websites, so you can choose the one that suits you best.

One of the extra features of Free Ebooks for Kindle is its quick link to the Amazon Kindle Deals page, which makes it easy to find books that are on sale. The app also has new evolving Favourites Authors and Favourites books sections. However, it's important to note that Free Ebooks for Kindle is not an Amazon product, and prices can change every hour. Always double-check the price before you hit the "Buy" button, as the app is not responsible for unintended purchases and cannot refund you.