Private · Local-first · Android
Your calendar, with a private AI that lives on your phone.
Daybook AI turns messages, screenshots, and quick notes into calendar events — using on-device AI, with no account and no cloud. Your data stays on your device.
What it does
- Smart calendar & Today view — see your day at a glance, add events in plain language ("lunch with Sam tomorrow 1pm").
- On-device AI — daily briefs, natural-language entry, and suggestions run on your phone. No key, no account, no cost.
- Find events in your messages — opt in to let Daybook spot appointments in notifications and suggest them for one-tap adding.
- Reliable sync (optional) — link a Google account to sync events directly between your device and Google Calendar.
- People & memory — birthdays, anniversaries, and a private per-person timeline built from your device contacts.
Private by default
No sign-up. No analytics or ad SDKs. A fresh install makes zero network calls with your data. Optional cloud AI runs only with your own API key, device-to-provider.
Your calendar stays yours
Calendar data is processed on your device. If you enable Reliable sync, events sync directly between your device and Google under your own account — never through any Daybook server.