Health & Medical
Health and Fitness App Privacy
Health and fitness apps know your body, your cycle, your sleep, and your location. That makes their privacy settings worth more attention than almost any other app.
Period and Fertility Apps
- This is some of the most sensitive data you can store. Prefer apps that keep data on your device and explicitly do not sell it.
- Avoid apps that require an account just to track, and read the privacy label before installing.
- If you have concerns, a private notes app or paper is a legitimate option.
Lock Down Apple Health / Google Fit
- Apple Health data is end-to-end encrypted when iCloud sync and two-factor are on; review which apps can read or write it.
- On Android, review what Google Fit and Health Connect share with other apps.
- Revoke access for apps you no longer use.
Wearables: Fitbit, Garmin, Oura, Whoop
- Check each account's data sharing and research-participation settings; turn off what you do not want.
- Fitbit is owned by Google, so review how its data ties into your Google account.
- Turn off social and leaderboard features that expose your activity and location.
Before You Install Anything
- Read the App Store / Play Store privacy label, look for "Data used to track you."
- Deny location, contacts, and microphone unless the app truly needs them.
- Search whether the app has sold or leaked data before.
Common Questions
Is Apple Health private?
Apple Health is encrypted and Apple cannot read it when set up with two-factor and iCloud. The risk is the third-party apps you grant access to.
Are period apps safe to use?
Some are, some sell data. Choose one that stores data locally and states clearly that it does not sell or share it.
What about my smartwatch sharing location?
Turn off location-based social features and live-tracking unless you actively want them. They are usually on by default.
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