Discover your true biological age. Improve it with personalized, on-device AI.
All your health data analyzed fully offline. No cloud. No tracking. Just science.
Free download. No account needed. Your data never leaves your device.
Your Health, Explained by On-Device AI
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Ask: Why is my body age higher this week?
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Ask: How should I train based on yesterday's sleep?
No cloud. No servers. Just your data on your phone.
Ask your data anything (offline AI)
Why MakeFit?
Most health apps upload your data to their servers. MakeFit runs entirely on your device. Your data stays yours — always.
Ready to get started?
Biological Age
Break down your score and see exactly what drives it.
Track What Matters
Vitals, recovery, sleep, VO2 Max — all in one place.
Train for Longevity
Workouts and goals designed to improve your biological age.
"Finally, a health app that doesn’t upload my data to the cloud. The insights are incredible."
Ready to improve your biological age?
Why Biological Age Matters
Your biological age reflects how your body is actually performing — not your birthday. Improving it means better energy, better performance, and better long-term health.
Research shows that higher cardiorespiratory fitness is strongly linked to lower all-cause mortality.
Backed by Science
Our recommendations follow research in:
Cardiology (VO2 Max, HRV)
Metabolism & aging
Exercise physiology for long-term health
Improve your biological age — starting today.
Download MakeFit and take control of your health.
MakeFit helps you improve your biological age using private, on-device health intelligence.