Supports Plank for 30 day challenge. Main function is to count Plank once a day.

Main Function
・Count Plank.
・Achievement days management.
・Notifications.
・Record Active Energy and Workouts to Apple Health.
・Proximity sensor. *
* Proximity sensor option is not supported on Dynamic Island devices.

How to use
・Put iPhone on floor.
・Tap screen.
・Start Plank.

Active Energy
・Ex. METs 2.8, Weight 50 kg, Time 10 min. (2.8 - 1) x 50 x (10 / 60) x 1.05 = 15.75 kcal.

Optional permission requests
・Apple Health: It is used to record data in Apple Health.
・Tracking: It is used to deliver personalized ads to you.
・Notifications: It is used to sending notifications.

Languages
・Japanese, English.