Appp.io - Mouse and Rat sounds is a free Android app that provides users with mouse and rat sound clips and ringtones. With its simple interface, users can easily listen to these sounds and set them as their ringtone, notification, or alarm clock. The app offers a variety of features such as play/stop, random sound, offline access, favorites, and auto replay.

Whether you want to prank your friends or just enjoy the sounds of these small animals, Appp.io - Mouse and Rat sounds is a great app to have on your phone. The app is easy to use and provides a wide range of sounds that are both entertaining and informative. Plus, with its offline access, you can listen to these sounds anytime, anywhere without an internet connection. Overall, this app is a fun and useful addition to any animal lover's phone.