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Tryst

Private, offline, encrypted tracker for your intimate life.
New in version 0.6.0
Settings backup, a warmer look, and UI polish

* Your theme, Insights layout, and Photos layout settings now survive an encrypted backup, so they come back on a new phone instead of resetting. Optional on export; resettable on its own from Settings → Danger zone.
* Refreshed color palette pulled from the app icon's own purple-to-pink gradient, in both light and dark mode.
* Settings screen, Save button, and card corners cleaned up for a more consistent look.
Tryst is a private, local-only journal for your intimate life. It keeps everything on your phone — there is no account, no sign-up, no sync, and no internet access at all. The app declares no INTERNET permission, so your data simply cannot be sent anywhere.

Privacy is the whole point, not an add-on:

* No network. The app has no INTERNET permission, so nothing can leak to a server. There are no analytics, ads, or crash-reporting SDKs of any kind.
* Encrypted at rest. Your entries live in an encrypted SQLCipher database and your photos are encrypted in the app's private storage — never in your gallery or any shared/cloud location.
* Locked behind your PIN. A 6-digit app PIN (separate from your phone's) gates everything, with optional biometric unlock. The app locks itself when it leaves the screen, and screenshots and the app-switcher preview are blocked.
* No backup leakage. The app is excluded from cloud auto-backup. The only way to move your data is the app's own manual, password-encrypted export.

What you can do:

* Log encounters in as much or as little detail as you like — date and time, duration, partners, acts, positions, protection, mood, setting, occasion, toys, satisfaction rating, orgasms, notes, and encrypted photo attachments.
* Make the categories your own. Tryst ships almost no predefined categories — you build your own acts, kinks, positions, toys, occasions, and finish locations on a dedicated management page for each, and everything you add counts fully in Insights and Achievements.
* Track partners (named or anonymous) with per-partner stats.
* Search and filter your history. Find any tryst by note, partner, or category, and narrow by date, partner, place, mood, protection, duration, and more.
* Browse your Photos. A dedicated Photos tab gathers every image attached to a tryst plus per-partner and self portrait albums, with layouts (date grid, mosaic, by-partner, People, feed), search, filters, favourites, bulk actions, a slideshow, and a pinch-to-zoom viewer. Optional "blur until tapped" gate keeps photos private when you hand the phone over.
* Explore Insights: streaks, trends, and per-attribute breakdowns, all computed on-device with hand-drawn charts — and focus them on a year, a quarter, or a custom date range.
* Earn Achievements derived from your own log.
* Customize the look with light/dark themes and Material You dynamic color.

Important — there is no password recovery. Your PIN is the only key. If you forget it and have not set up biometric unlock, your data cannot be unlocked: there is no email reset, because there is no server. Keep your PIN safe and use the encrypted export to back up your data.

Tryst is free and open-source software under the GNU General Public License v3.0, so anyone can verify these privacy claims in the source.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 0.6.0 (16) suggested Added on Oct 02, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 12 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • app.tryst.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 25 MiB PGP Signature | Build Log

  • New in version 0.5.8
    Fresh app icon

    * Tryst has a new home-screen icon: a T-heart mark on a pink-to-purple gradient. Replaces the placeholder flame that had been shipping since v0.2.
    * Adaptive-icon setup so launcher shape masks (circle, squircle, teardrop) render cleanly on Android 12+.
    * No feature or behaviour changes in this release — the app under the icon is v0.5.7 with the same features.
  • Version 0.5.8 (15) - Added on Sep 09, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 12 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • app.tryst.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 25 MiB PGP Signature | Build Log

  • New in version 0.5.7
    Optional re-auth for the Photos tab

    * Turn on Settings → Gallery → Require re-auth for Photos and the Photos tab asks for biometric or your device screen lock before it opens. Handy when you sometimes hand the unlocked phone to someone.
    * Pick a grace window (Immediate / 15s / 30s / 1 min / 5 min, default 30s) so a quick tab switch away and back doesn't re-prompt.
    * Toggle hides itself on devices with no biometric and no screen lock — the OS has no way to gate.
  • Version 0.5.7 (14) - Added on Sep 07, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 12 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • app.tryst.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 25 MiB PGP Signature | Build Log