Note: Passcodes are only available for Boxer Pro on iOS. Passcode support for Android is on our to-do list, and you can add your vote for it here.
To turn on a passcode:
1. Open up the app settings.
2. Select "Advanced" from underneath the "More" section.
3. Select "Passcode" from the list.
4. From here, you will be presented with the options to set up either a complex or simple passcode.