Health · Recovery
Untether
Privacy-first addiction recovery — streaks, blocking & spiritual support.
A privacy-first recovery companion for tobacco, alcohol, gambling, porn, social media and more: streak tracking, on-device content blocking, breathing exercises, and optional Islamic spiritual support in six languages. Zero telemetry, fully encrypted.
- Free to download
- Works fully offline
- No ads
- No account needed
Why people use Untether
Built by Zentryx — fast, private, and made to do one job exceptionally well.
Encrypted local database
On-device DNS blocking
Zero telemetry
Your data stays yours
Untether handles some of the most sensitive data imaginable — recovery from addiction — so it is engineered to keep everything on your device. Your data is stored in an encrypted local database, there is no account, no analytics, and no server. The optional content blocker runs entirely on your phone and does not route or log your traffic anywhere.
- Data never leaves your device
- No advertising
- No mandatory account
- No data is ever sold
Untether — questions, answered
Is Untether free?
Yes — Untether is completely free to download and use, with no ads.
Does Untether work offline?
Yes. Untether is fully offline — it needs no internet connection and your data stays on your device.
Do I need an account to use Untether?
No. Untether requires no account, email, or sign-up — just install and start.
Is Untether safe and private?
Untether handles some of the most sensitive data imaginable — recovery from addiction — so it is engineered to keep everything on your device. Your data is stored in an encrypted local database, there is no account, no analytics, and no server. The optional content blocker runs entirely on your phone and does not route or log your traffic anywhere. You can read the full Untether privacy policy at untether/privacy.
How do I delete my Untether data?
Delete your data from within the app, or uninstall the app — the encrypted database is removed immediately and irrecoverably. There is no server-side copy.