CheckPoint Two does not require a separate odometer. It tracks mileage with either the phone's built-in GPS system or an add-on bluetooth speed sensor.

CheckPoint Two is the evolution of CheckPoint, an app from the same developer that required an external odometer.

Features-
Constant display of -
- Mileage
- 'On-Time', 'Early', or 'Late' indication is seconds
- Next Possible Check Mileage at all times
- Current route sheet average speed
- Current actual speed
- Next Reset or Free Time
- Seconds on key time clock
Visual warning when within 20 seconds of upcoming check
'GO' indicator whenever safe to move forward
Automatic mileage advance at resets
Reset Countdown timer
Free Time Countdown timer
Selectable GPS or Bluetooth mileage input
Selectable audio (beep) indication of on-time and early
(Beeps can play out loud, or be sent to bluetooth helmet speakers.)
Swipe left or right to adjust mileage in one tenth mile increments
Three mile clear ahead rider input after check point
Android version of CheckPoint Two includes capability to reset to zero
This feature will be added later to the iOS (apple) version.