Mu.

Track your mood, symptoms and habits

Mu.

Mu. is a daily log for the things that affect how you feel: track mood, symptoms, habits, medications — and let patterns emerge naturally over time.

Simple. Modern. Free. Designed for simplicity and transparency.

—WHAT YOU CAN DO—

*Track Events Choose what to track: insomnia, anxiety, stress, medication, or create custom events that matter to you. Log as many or as few as you like.

*Log Your Mood Record how you feel on a scale of 0 to 10.

*Write Notes Attach a note to any logged event or mood.

*Explore Patterns View your data with intuitive charts and statistics. Filter by event type and adjust the time period to see what influences your wellbeing.

*Export Your Data Download your history as a CSV or a detailed PDF report — complete with mood charts, color-coded grids, and event heatmaps. Pick the period and the events you want to include.

*Apple Watch Companion Log events and your mood directly from your wrist. Data syncs automatically with your iPhone.

—SOME WAYS TO USE MU.—

• Mood Tracker • Medication Tracker • Pain Tracker • Symptom Journal

—PRIVACY FIRST—

Your data never leaves your device or iCloud. Without an account or internet connection, Mu. works entirely offline. All your entries—mood scores, events, notes—stay with you.

—DESIGNED FOR YOU—

Built to be intuitive and calming, by someone who uses it daily.

—MEDICAL DISCLAIMER—

This app is not a substitute for professional medical advice, diagnosis, or treatment. If you have concerns about your health, please consult a qualified healthcare provider.

—LANGUAGES—

English, French, Spanish, Arabic

—CONTACT & SUPPORT—

Questions or feedback? Reach out to us directly from the app's Contact section or via our website, Reddit, Discord or Instagram.