On-device emotion insights
Your mood. Your choice.
An optional on-device suggestion can help you name how a moment feels. Choose what to save, then revisit the emotions you recorded.
Updated

How do I record an emotion?
While writing on iPhone or iPad, you may receive an on-device emotion suggestion. Open State of Mind, adjust its seven-level value, and confirm with Apple Health permission. You decide what is saved.
At a glance
- Suggestion
- Prepared on device while you write
- Saving
- Only after your confirmation
- Health storage
- Apple Health after authorization on iPhone or iPad
- Premium
- Emotion Trajectory
- Analytics source
- Only the State of Mind values you explicitly save
- Text inference in Analytics
- None
- Developer server
- No diary or emotion-processing server
Start with a suggestion
The suggestion is prepared on your device and offers no diagnosis or score. Open it to use the suggested value as a starting point, adjust it, or leave the entry unchanged.
Look back at what you saved
Confirm the seven-level State of Mind picker to save an emotion, with Apple Health permission on iPhone and iPad.
Premium Emotion Trajectory groups only the values you explicitly attach to DiaryThreads entries. Every result leads back to the contributing entries. Your entry text supplies no inferred Analytics values.

Keep Health data in your control
Saved values stay in Apple Health. Widgets, search, ordinary entry posters, document exports, diary iCloud records, and developer servers exclude those values. On iPhone or iPad, you can explicitly share an Emotion Calendar after a privacy notice and preview.
Mac keeps compatible diary content readable and has no HealthKit access. It does not read or display Apple Health emotion values.
A few things worth knowing
Does DiaryThreads send my entry to an AI server?
Emotion suggestions are calculated on your device. DiaryThreads has no developer diary or emotion-processing server.
Can a suggestion change my saved emotion automatically?
A suggestion supplies a starting value in the picker. You can adjust it, dismiss it, or confirm it yourself; saving requires your confirmation.
Does Analytics infer emotions from everything I write?
Emotion Trajectory uses only the State of Mind values you explicitly save with entries.
DiaryThreads
A timeline of your own.
Write ordinary entries of any length, with no entry-count limit. Start on your iPhone, iPad, or Mac.