Setting up multiple bell sounds is easy. Simply select the Timer on the Insight Timer home screen:
For the starting bell:
- Select your desired bell sound.
 - Tap the selected bell.
 - Choose between 1, 2, or 3 strikes below the image of the bell.
 
3. Meditate away.
For the ending bell:
- Tap on the ending bell.
 - Tap the selected bell.
 - Select between 1, 2, or 3 strikes.
 - Meditate away.