Burn21
Burn fat in 21 days.
No equipment needed.
Short, sweaty daily workouts with a clear timer and illustrated moves. The plan gets a little harder every week, so you keep improving.
Download Burn21 for iPhone and iPadFree · Available in 20 languages
Everything you need, nothing you don't
No account, no sign-up, no equipment. Open the app and start moving.
21-day challenge
Three weeks with two rest days and a final workout on day 21. Intervals grow from 30 to 50 seconds.
Easy-to-follow timer
Big countdown with sound and vibration, left and right sides for one-sided moves, and a preview of what comes next.
Three levels
Easy, Normal and Hard adjust work and rest time, so every day fits your energy.
Illustrated moves
Every exercise shows the start and peak position, plus two short tips on how to do it right.
Track your progress
Completed days, workouts, minutes and estimated calories based on your body weight.
Private by design
Your progress stays on your device. No account and no personal profile.
See it in action
A clean, focused design that keeps you moving.
6 workouts for any time
Outside the challenge, pick a workout that fits your day.
Start today
Burn21 is coming to the App Store for iPhone and iPad.
English, 中文, हिन्दी, Español, العربية, Français, বাংলা, Português, Русский, Bahasa Indonesia, اردو, Deutsch, 日本語, मराठी, తెలుగు, Türkçe, தமிழ், Tiếng Việt, Filipino, 한국어
Burn21 offers general fitness guidance and is not medical advice. Talk to a doctor before starting a new exercise program.