The Quantified Self

Track habits, journal your life, and understand your patterns — all in one place, with semantic search and offline-first sync.

✅

Periodic and rolling habits with urgency scoring, projects, tags, automations, and carryover support.

✍️

Rich markdown entries with entity mentions, photo and video attachments, periods, and relations between entries.

🔍

Search journal entries by meaning, not just keywords. Find similar entries and rediscover past moments with On This Day.

📥

Import your journal history from Day One with full photo and video support. Preview before committing, undo if needed.

✨

LLM-powered entity extraction suggests people, places, and activities from your journal text.

📱

Local database with background sync. Read and write journal entries without a connection.

🏋️

Automatic import of workouts, steps, heart rate, sleep, blood pressure, and more from Apple Health.

⚙️

Auto-complete habits from workouts, location, health metrics, journal entries, or calendar events.

🖥️

Full-featured web app with responsive desktop layout, sidebar navigation, and the same experience as mobile.

Developer API

Build integrations with our REST API. Create journal entries, manage habits, and use LLM-assisted entity extraction — all with scoped API keys.