See how your body is doing today
Aster organises sleep, HRV, resting heart rate, and steps into an understandable daily view with visible sources.
PERSONAL HEALTH, PERSONALLY HELD
AsterUnderstand your body’s rhythm,
care for yourself today.
Aster is a personal health companion for iPhone. It turns the health data you choose to connect into clear trends across sleep, recovery, heart rate, and activity—then helps you take one practical step today.
Google Health · Read onlyRead only after your explicit permission
Activity & fitnessHealth metricsSleep data
Used to show steps, heart rate, HRV, recovery, and sleep trends. You can disconnect and revoke access at any time.
The iOS release is being prepared
Sources are always visible
On-device by default
A CALMER WAY TO UNDERSTAND HEALTH
Less noise. A clearer next step.
Turn insight into one practical action
Use the data you authorised to shape lifestyle guidance for walking, training, recovery, and sleep routines.
You approve every sensitive share
If AI needs health values, Aster first shows the recipient and fields. Nothing is sent until you confirm that request.
PRIVACY BY DESIGN
Your health data is not our asset.
Google OAuth tokens, Google Health requests, and returned health data flow directly between your iPhone and Google. They never pass through Aster servers. We do not sell health data, use it for advertising profiles, or train models with Google user data.
Read the full Privacy PolicyYour data stays on your device
Tokens live in the iOS keychain, while health trends and records are encrypted on-device.
Cloud AI does not see health values by default
Ordinary questions send only the text you type—not steps, sleep, HRV, or heart rate.
Sensitive sharing requires consent each time
Aster shows the recipient and fields before sending; permission applies only to the current question.
SUPPORT
Need help or want to share feedback?
For data connections, privacy settings, or product feedback, contact us directly.
imakoshan@gmail.com