How to use ・Put iPhone on your abdominal. ・Tap start button. ・Hold iPhone with both hands. ・Start Sit Up. Active Energy ・Ex. METs 3.8, Weight 50 kg, Time 10 min. (3.8 - 1) x 50 x (10 / 60) x 1.05 = 24.5 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. ・Photo Library: It is used to save image in Photo Library. Languages ・Japanese, English.