Last updated: [Date — June 6, 2026]
FitStack is developed by [Karun Sunuwar].
This privacy policy explains what data is collected, how it is
used, and your rights as a user.
We do not collect or store any personal information directly.
However, the app uses third-party services that may collect
data automatically:
a) Google AdMob
FitStack displays ads provided by Google AdMob. AdMob may
collect the following to serve relevant ads:
- Device identifiers (Advertising ID)
- IP address
- General location (country/region level)
- App usage and interaction data
Google's privacy policy: https://policies.google.com/privacy
b) Camera
The camera is used solely to detect and count exercise
repetitions in real time. Camera data is processed entirely
on your device and is never uploaded, stored, or transmitted
to any server.
c) Local Storage
The app stores your workout session history and rep counts
locally on your device using your device's internal storage.
This data never leaves your device.
- Camera data: used only for live rep detection. Not stored.
- Local session data: used to display your workout history
and weekly rep totals inside the app.
- Ad data: managed entirely by Google AdMob per their policies.
FitStack uses the following third-party service:
- Google AdMob (advertising)
Privacy policy: https://policies.google.com/privacy
Opt-out of personalized ads:
https://www.google.com/settings/ads
FitStack is not directed at children under the age of 13.
We do not knowingly collect personal data from children.
If you believe a child has provided personal information,
please contact us and we will take appropriate action.
All workout data is stored locally on your device. You can
delete it at any time from the Settings screen inside the app.
We have no access to this data.
You can:
- Clear all session history from Settings → Clear session history
- Opt out of personalized ads via your device settings:
Android: Settings → Google → Ads → Delete advertising ID
- Uninstall the app to remove all locally stored data
All data processed by FitStack remains on your device.
No data is transmitted to external servers by us.
Ad-related data transmission is handled securely by Google.
We may update this privacy policy from time to time. Changes
will be posted on this page with an updated date. Continued
use of the app after changes means you accept the updated policy.
If you have any questions about this privacy policy, contact:
Email: karunkarun9797@gmail.com