SentryKey
The facts below are what the maker publishes about SentryKey, checked and dated. Our editors have not written about it yet.
Plans and prices
From SentryKey's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | Free forever · no paid tiers · no subscriptions · no ads |
The facts
Each one read from SentryKey's own pages, with the date it was checked.
Where it runs
- Android security
- The Android vault is encrypted at rest with AES-256-GCM using a key held in Android Keystore.checked 11 Oct 2026
- iOS security
- The project says iOS secrets are stored in the Keychain.checked 11 Oct 2026
- Multi-device sync
- Yeschecked 22 Sep 2026
- Supported platforms
- Android,iOS,Garmin Connect IQchecked 22 Sep 2026
What it does
- Audit status
- The maker describes SentryKey as a personal or hobby project that has not undergone a security audit.checked 11 Oct 2026
- Availability
- The Android app is in closed Google Play beta and an APK is available from GitHub Releases.checked 11 Oct 2026
- Code type
- totpchecked 22 Sep 2026
- Encrypted backup
- Yeschecked 22 Sep 2026
- Encrypted backups
- Encrypted backups use PBKDF2-HMAC-SHA256 with 210,000 iterations and AES-256-GCM, and the project says a lost backup passphrase cannot be recovered.checked 11 Oct 2026
- Integrations and imports
- The project documents Garmin Connect IQ Bluetooth sync and QR imports from otpauth:// sources.checked 11 Oct 2026
- Purpose
- SentryKey is a TOTP authenticator for Garmin watches with Android and iOS companion apps.checked 11 Oct 2026
- Setup and sync
- Accounts can be added by scanning otpauth:// QR codes on a phone and synced to the watch over Bluetooth.checked 11 Oct 2026
- Support
- The maker directs users to file bug reports as GitHub issues and accepts optional donations through GitHub Sponsors and Ko-fi.checked 11 Oct 2026
- Supported watches
- The app supports more than 100 round Garmin watches and excludes square or rectangular devices.checked 11 Oct 2026
- Sync security
- Phone-to-watch sync can be encrypted with a configured passphrase; without one, the sync payload remains plaintext.checked 11 Oct 2026
- Watch codes
- The Garmin watch generates RFC 6238 TOTP codes on-device, including when no phone is nearby.checked 11 Oct 2026
- Watch storage
- On the watch, secrets are stored in plaintext because Connect IQ has no keystore.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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