Odozi – open-source iOS journaling app
Correlates mood against Screen Time and HealthKit data automatically on device.

Anti-gamification journal that treats entries like a memoir, not a streak.
Journaling enthusiasts, iOS users
Day One · Diarium · Grid Diary
Correlates mood against Screen Time and HealthKit data automatically on device.
Free native workout diary with iCloud sync, but Strava and Hevy already dominate.
Email-based journaling with 18 guided programs and mood tracking.
Local-first AI journal with multi-agent architecture when most competitors store everything in the cloud.
Finally test slow 3G on iPhone without tethering to a Mac.
FoundationModels clustering finds thought threads entirely on-device with no cloud round-trip.