30 Day Plank Challenge!

INTERSECT KK · Health & Fitness

4.9 298 ratings Free

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What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 4.88 → 4.86

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 4.86 4.87 4.88 Aug 26 15:40 Aug 27 04:49 Aug 27 17:57 Aug 28 07:06 Aug 28 20:15

Average rating

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About

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.

What's new · 8.0.0

Minor bug fixes.

Details

DeveloperINTERSECT KK
ReleasedMar 2020
UpdatedJan 2026
Version8.0.0
Size22.2 MB
RequiresiOS 16.6 or later
Age rating17+
LanguagesEnglish, Japanese
PriceFree
Categories Health & FitnessLifestyle
Bundle IDcom.mmddevelopers.PlankChallenge