TLevels — Testosterone Tracker
TLevels is developed and maintained by Fenrir Forge. We are committed to protecting your privacy. This Privacy Policy explains how we handle information in connection with the TLevels app on iOS.
TLevels does not require an account or login. All health data you enter is stored exclusively on your device and is never transmitted to our servers.
Because TLevels is a fully offline, on-device app, we do not collect, store, or transmit:
All data you enter into TLevels — including lab work and hormone level readings — is stored locally on your device using AsyncStorage and SQLite. This data never leaves your device.
TLevels uses RevenueCat to manage in-app purchases and subscriptions. When you make a purchase, RevenueCat may collect:
This data is used solely to verify and manage your purchase entitlements. RevenueCat does not receive or access any health data you enter in the app.
You can review RevenueCat's privacy practices at: revenuecat.com/privacy
TLevels is distributed through the Apple App Store. Apple may collect certain information as part of the standard iOS and App Store experience, including crash reports and performance data if you have opted into sharing diagnostics with Apple. This data is governed by Apple's Privacy Policy.
TLevels is designed to help you log and track personal health metrics such as testosterone and hormone lab results. We treat this data with the utmost seriousness.
Regardless of where you are located, we respect your data rights. Since we do not collect personal data on our servers, there is no data for us to provide, delete, or transfer on your behalf.
For data stored on your device, you are in full control. You may delete your data at any time by clearing the app's data or uninstalling TLevels.
For any privacy-related inquiries or requests — including rights under the GDPR (EU/UK residents) or CCPA (California residents) — please contact us at the address below.
TLevels is not directed at or intended for use by children under the age of 13. We do not knowingly collect any personal information from children. If you believe a child has provided us with personal information, please contact us immediately.
We may update this Privacy Policy from time to time. Any changes will be reflected with a new "Last Updated" date at the top of this page. We encourage you to review this policy periodically. Continued use of TLevels after any changes constitutes your acceptance of the updated policy.
If you have any questions, concerns, or requests regarding this Privacy Policy or your data, please reach out:
We aim to respond to all inquiries within 5 business days.