Apps

Four apps, one design rule: your data stays on your device. None of them has a backend to send it to.

Every one is in testing right now. Each page below has the join links for Apple’s TestFlight and Google Play’s open testing track.

• Wisdom Notifications — good ideas, resurfaced as notifications you actually want. iOS and Android.
• Fast Tracker — intermittent fasting, tracked in a local database with no backend. iOS, Android and Wear OS.
• Watch Cast 4 Me — podcasts on your wrist, with real offline playback. Apple Watch.
• Period Vault — menstrual cycle tracking, fully offline, with encrypted backups. iOS and Android.

What “no backend” actually means

It is easy to claim privacy and hard to prove it, so here is the falsifiable version. None of these apps has a server we operate. There is no account to create, so there is no identity to attach data to. Where an app syncs at all — Fast Tracker can copy your history between your own devices — it does so directly over your local network, and the code path never leaves it.

That is also why the joining links below go to Apple and Google rather than to us. We do not run a mailing list, and we would rather not start collecting addresses on the one page that promises we collect nothing.

• Fast Tracker

  Intermittent fasting, tracked on your phone and nowhere else. Fasts, goals, streaks and history live in a local database — there is no backend to hold them. iOS, Android and Wear OS.

• Period Vault

  Menstrual cycle tracking that never leaves your phone. Fully offline, zero telemetry, and every backup encrypted with AES-256-GCM — there is no server to send one to. iOS and Android.

• Watch Cast 4 Me

  Podcasts and audio on your wrist, with genuine offline playback. Plays from RSS, the Files app, iCloud Drive, Audiobookshelf or Jellyfin. Apple Watch.

• Wisdom Notifications

  Good ideas, resurfaced. Reminders that arrive on your schedule and never leave your device. Works with the network off, because it never needed it on. iOS and Android.