Appp.io - Squirrel Sounds is a free Android app that provides a variety of squirrel calling sounds and ringtones. It is easy to use and provides a range of features for users to enjoy. The app allows you to play and stop random sounds, even when offline. You can also create a list of your favorite sounds for quick access. Additionally, the app offers an auto replay feature and allows you to set sounds as ringtones, notifications, and alarm clocks.

Overall, Appp.io - Squirrel Sounds is a useful and fun app for anyone who enjoys nature sounds or wants to add some unique ringtones to their phone. The app provides high-quality sounds and offers a range of features that make it easy to use and customize.