Newton Japan Inc.が全人類に捧ぐ！iPhoneおすすめ神アプリ

'Calories M7' is a very simple app which displays your activity and calorie count in last 7 days. Unlike other fitness apps, 'Calories M7' doesn't need to be running in the backgro…

GeoPlayer records your activity, which include location/heading/motion, and playback them. Playback speed is same as recording speed. If you completed marathon in three hours, GeoP…