NEW FEATURES:
Parental Control: lock application with your pin code
Control Sound Modes: let you ignore vibrate and silent modes.
Minimum Volume Protection: block at 20% your minimum volume (endless vibration bug fix)
Do not disturb mode: When DND activated app can ignore volume settings.

All this features in app settings (top right corner)

Many improvements , thanks to user recommendations!
We also fixed a bunch of bugs :)