6-7 Challenge
JACK RICHARD JENSEN
Take on the 6-7 Challenge! Hold up your phone, hit start, and move your arms up and down as fast as you can. One arm up, the other down, then switch — every alternation counts as one rep. The catch? You only have a few seconds to break your record. Powered by smart body tracking, the app counts every move for you in real time. No buttons, no cheating — just pure speed and rhythm. HOW IT WORKS - Pick a time: 5, 10, 15, 20 or 30 seconds - Stand in front of your phone so your upper body is visible - Tap Start and follow the 3-2-1 countdown - Pump your arms as fast as you can — one up, one down, then switch - Beat your record. Beat your friends. Become the champion. KEY FEATURES - Real-time body tracking using on-device AI — works completely offline - Five challenge durations to suit any mood: quick 5-second sprints or 30-second endurance rounds - Personal leaderboard for each time setting — your top 10 results, saved on your device - Optional video recording with on-screen timer and rep counter baked into the video - Audio recording so you can capture every reaction - Switch between front and back camera at any time - Satisfying haptics and sounds on every rep - Modern liquid-glass design built for the latest iPhone PERFECT FOR - Friends and family competitions at parties, on the couch, anywhere - Quick fitness breaks during the day - TikTok-ready clips you can share straight from Photos - School breaks, sleepovers, road trips - Anyone who loves a fast, friendly challenge PRIVACY FIRST Everything happens on your device. Body tracking runs on-device using Apple's Vision framework. Your videos and scores never leave your phone unless you choose to share them. NO INTERNET. NO ACCOUNTS. NO LIMITS. Download 6-7 Challenge and find out — how many reps can YOU do?
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