Volume Booster is an excellent volume control app that controls Android phone volume for all sound streams(music, voice, alarm, system). You can easily boost your phone sound to maximum by just one key.

In android system, you are unable to independently adjust the music volume, alarm volume, call voice volume and other system volumes. Thanks to this Phone Sound Booster, you can easily adjust all these in few seconds.

Feature:
1. One key to increase all sound stream volume to maximum, no need to independently louder speaker volume, loud alarm clock, loud ringtones, or louder music volume etc.
2. One key to turn your phone into silent mode, it is so convenient when you are on a meeting or going to bed.
3. One key to normal mode to restore the original custom phone sound.
4. The ""System Sound"" in this Speaker Booster include ringtone sound, notification sound, DTMF and other system sounds.
5. Realistic graphic and cool user interface.

Download this useful Volume Increaser for free now!

Recent changes:
1. Support Android 8.0
2. Improve startup page UI
3. Add permission request.