Everyone breathes at a different rate, and everyone's heart beats at a different rate. You can change Sober Time's average heart rate and average breath per minute to improve the accuracy of the Heartbeat or Breaths tracker modes.

1. Open the main menu button located on the top-left corner of the Home page.

2. Tap Settings.

3. Tap Units.

4. Enter your heartbeats per minute or Breaths per minute.

5. Tap the done button within the text fields to save your changes.