Case Converter is a free Android app developed by Tawhidur Rahman Dear that helps you easily convert text from and to various formats. With this app, you can convert your text to lowercase, UPPERCASE, Title case, Capitalized case, InVeRsE Case, and even alternating case.

One of the best things about this app is that it is 100% free, with no in-app purchases or pro offers. You can use it offline without Wi-Fi, and it has a beautiful eye-catching design. The app uses little phone space and works fine with low memory, making it perfect for all Android devices. Plus, you can easily share your converted text with your friends and family using the Share button.

The app is optimized to use the battery wisely, with low battery consumption. It has only one banner ad in the footer, which is displayed outside of the main browsing area or content area. To avoid accidental touch, the content and ad are separated using a blue color horizontal bar. There are no road-block ads, interstitial ads, or rewarded ads at all.

Overall, Case Converter is an excellent app for anyone who needs to convert text to different formats quickly and easily. If you're satisfied with the app, the developer kindly requests that you leave a 5-star positive review.