A bullet journal that feels like paper

Daybook is a calm, dotted-paper notebook for the Bullet Journal method on iPhone and Mac: rapid logging, daily, monthly and future logs, and the migration ritual that keeps your list honest.

Download on the App Store iPhone and Mac

Daybook on the Mac: today's page in the notebook, with the Index on the left

•Tasks, events and notes, written as fast as on paper. Times you write are understood and remembered.
>Migrate open tasks to today, this month, a collection or a future date, with the month review on the 1st.
○Monthly calendar, Future Log and Collections, all in one Index.
!Reminders and check-ins for what's still open today.
✦Works offline with no account. Sign in with Apple or Google to back up and sync.
⌁On the Mac the notebook lies open on a desk, with page turns and keyboard shortcuts for everything. On iPhone Duo it opens the same way.
⌘Agents on your Mac, like Claude Code, Codex or Cursor, can read and write your journal over MCP (Settings ▸ Agents). It stays on your Mac, behind a key you hand out.

Reading, search and export are always free. Writing needs Daybook Plus: 14 days free, then yearly or monthly, one purchase for iPhone and Mac. No ads, no tracking.