30 Day Back Ext. Challenge! Download

Supports Back Extension for 30 day challenge

Main function is to count Back Extension once a day

Day management / Notifications / Health App

Main Function

Count Back Extension

Achievement days management

Notifications

Record Active Energy and sync Workouts to Health App

How to use

Put iPhone on floor

Tap screen

Keep your face close to iPhone screen. (Upper part)

Or count on iPhone screen tap

Optional permission requests

Health App: Record Active Energy and sync Workouts to Health App

Notifications: Notify reminder at specified time

Calorie

Calorie is an estimate number,