KEEP PLANK

A simple app that lets you record your planks every day/

Start easily by tapping a button!

◇ What you can do with this app
・Measure the time you spend planking with one tap
・Make notes and manage your measurements
・See at a glance the days you planked on the calendar
・Don't forget to plank with the reminder function

Keep doing planks and aim for a six-pack!