AION app

AION turns your health and activity data into clear meaning, not just numbers.
Instead of showing endless charts and raw metrics, AION tells you:
How your body feels today
Why you feel that way
What you should do next
AION analyzes your recovery, sleep, heart rate variability (HRV), training load, stress, and activity patterns to create a simple, actionable daily body state so you can train smarter and recover better.
Body Battery
A simple 0–100 energy score that reflects how charged your body is today.
Health Score
A combined performance and recovery score based on your recent data trends.
Reliability Score
See how complete your data is so you always know how much to trust your insights.
Daily Body State
Know if today is best for pushing forward, maintaining, or focusing on recovery.
Why This Matters
Understand what’s driving your state: sleep, recovery, stress, or training load.
What To Do Today
Get three simple, actionable recommendations every day.
What-If Forecast
See how small changes such as better sleep, lighter training, or hydration could improve tomorrow’s energy.
Works With
Apple Health and supported wearables.
Designed For
Athletes, fitness enthusiasts, and anyone who wants clear guidance instead of raw data.
Disclaimer
AION provides fitness and wellness insights for training guidance only. It is not a medical device and does not provide medical advice.