HIIT Training: Stationary Bike + Japanese Walking
HIIT app fusing 4s stationary-bike sprints with Japanese interval walking. Backed by University of Texas research. Free on Android.
4-second sprints on the bike + interval walking. Scientific training from beginners to advanced.
Two protocols, one perfect fusion
HiitFusion combines two science-backed training methods: stationary bike sprints and Japanese interval walking.
HiitCycle
30 sprints x 4 seconds
Maximum intensity sprints on a stationary bike with active recovery. Based on research from the University of Texas published in Medicine & Science in Sports & Exercise.
Sprints
Per sprint
Total session
- ✓ Improves VO₂ max and anaerobic power
- ✓ Leg muscle strengthening
- ✓ Low joint impact
- ✓ 3 adjustable intensity levels
Adjust your intensity
HIITWalk
5 cycles x 6 minutes
Alternates fast and slow walking following the Japanese method of Dr. Hiroshi Nose (Shinshu University), published in Mayo Clinic Proceedings.
Cycles
Per cycle
Total session
- ✓ +15% aerobic capacity vs continuous walking
- ✓ Significant blood pressure reduction
- ✓ Accessible for all ages
- ✓ No equipment needed, just walk
Adjust your duration
Backed by science, not trends
Both protocols have been validated in studies from world-leading universities. Proven improvements in VO₂ max, endurance, body composition, and cardiovascular health.
Features
Everything you need to train with both HIIT protocols
Smart Timer
Automatically manages sprints, walks, and recovery. Dynamic colors for each training phase.
Two Training Modes
Switch between stationary bike (HiitCycle) and Japanese walking (HIITWalk) based on your day and goals.
Audio & Vibration
Audio and haptic cues for every phase change. Train without looking at your screen.
3 Intensity Levels
Adjust difficulty in both modes. From beginner to advanced, progress at your own pace.
4 Languages
Available in Spanish, English, German, and French. The interface adapts to your device language.
Android
Available on Android. Smooth, native experience.
Designed for you
An app built to give you the best training experience
Native performance
4 languages
Works offline
Intuitive design
Ad-free
Frequently asked questions
Everything you need to know about HiitFusion
What is HiitFusion?
Is the app free?
Do I need special equipment?
What fitness level is it suitable for?
How long does each session last?
Does it work offline?
Fuse your workout
HiitFusion is in internal testing on Google Play. Leave the email linked to your Google account on your Android device and we will add you to the testers list.
Must be the email of the Google account set up on your Android device.
- Open Google Play Store on your Android.
- Tap your profile picture (top right).
- Your email appears right below your name.
Your email will be used to add you to the testers list and send you app updates. Privacy Policy