VolumeSync is a free Android app developed by Reactle that allows you to synchronize different volume streams with your ringer or media volume. This utility and tool app helps you avoid unwanted loud ringtones or music by syncing your notification, music/media, alarm, system, and in-call volumes. You can still manually adjust the volumes independently, and when you change the ringer or media volume, it automatically syncs up.

With the app, you can easily manage your phone's volume streams, avoiding any sudden loud noises. The interface is user-friendly and straightforward, making it easy to set up. The app is free to download and use, and there are no ads or in-app purchases. Overall, VolumeSync is a must-have app for those who want to keep their phone's volume streams in sync.