Group Ringtone is a free app for Android that lets you easily manage the custom ringtones of your contacts. It supports both mobile phone and Android tablets. It's a very simple and easy-to-use tool that works on any Android device. It also has an Android version.

The app has two main functions. The first function is to set the custom ringtones for your contacts. It's very easy to do. You just need to install the app, open it, and start using it. The second function is to set the default ringtone for all your contacts. It's also very easy to do.