Back Ext. Counter! vs Plank Monster Counter

This App will support counting of Back Extension. The main function is counting of Back Extension. Main Function ・Count Back Extension ・Notifications ・Record Active Energy and Workouts to Apple Health. ・Save Results to Photo. ・View history. How to use ・Put iPhone on floor ・Tap start button. ・Keep your face close to iPhone screen. (Upper part) * ・Or count on iPhone screen tap. Active Energy ・Ex. METs 3.5, Weight 50 kg, Time 10 min. (3.5 - 1) x 50 x (10 / 60) x 1.05 = 21.86 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. *Dynamic Island devices not supported

Plank Monsters Counter is the simplest and most motivating way to build a stronger core.  Just hit Play, hold your plank, and let the app handle the timing.  When your plank ends, the rest timer automatically begins… and the cycle continues,  keeping your workout smooth, structured, and distraction-free. Perfect for beginners, athletes, or anyone wanting to improve posture, stability, and core strength. Why You’ll Love It Automatic plank + rest intervals Clean, intuitive one-tap interface Encouraging progress every session Accurate timer for consistent training Ideal for home, gym, office, or travel Whether you're chasing better endurance, sculpting your core, or starting a fitness habit, Plank Monsters Counter helps you stay committed without thinking about the clock. Press play. Hold strong. Become unstoppable.