30 Day Plank Challenge! vs JustPlankit

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.

JustPlankit is a minimalist plank timer for people who want to build a real core habit — without ads, subscriptions, or tracking. A clean 30-day progressive program takes you from a 20-second first hold to a 2-minute finish, with rest days built in. When you want a free run, switch to Challenge mode and hold as long as you can. That's it. No coaches yelling, no upsells, no clutter. WHAT'S INSIDE • 30-day progressive plank program — 20s → 2 minutes • Rest days built in (days 6, 13, 19, 26) • Challenge mode: hold as long as you can, beat your best • Adjustable plank duration, rest, and number of sets • Daily progress strip and streak tracking • Best time, today's hold, total sessions • Calm sound cues for active and rest phases • Light & dark theme, follows your system • 11 languages, follows your phone language DESIGNED TO STAY OUT OF YOUR WAY • No ads, ever • No subscription • No accounts, no sign-up • No tracking, no analytics SDKs • Works offline WHO IT'S FOR People who already know they want to plank and just need a clean timer. If you've tried bloated fitness apps and uninstalled them, this is for you. Tap. Plank. Done.