Privacy Policy
Effective: 2026-09-05 / Last updated: 2026-09-05
Your diary is stored only on this iPhone.
Nowhere else, except a relay used only for AI processing.
What never leaves this iPhone
- Your voice recordings
- The full text of your diary (events.jsonl)
- The search index
- Files you export
What is sent only during AI processing
- Organizing: the transcript for that one entry
- Asking your past: your question and the text of the pages selected to answer it
Destination: Microsoft's Azure OpenAI service (Japan region)
What is never stored
- Your diary on the developer's servers (there is no database to store it in)
- Any AI training data (your diary is never used to train AI)
What is kept temporarily
For abuse monitoring, the text that was sent may be retained on Microsoft's side for up to 30 days.
About your voice
Your voice never leaves the device. Speech is transcribed on this iPhone.
Export
Exporting lets you take every entry out as plain text.
Data we collect
| Data | Collected | Linked to you | Used to track you | Purpose |
|---|---|---|---|---|
| User content (text from organizing/asking) | Yes | No | No | App functionality |
| Audio data | No (stays on-device) | — | — | — |
| Identifiers, location, contacts, usage data | No | — | — | — |
| Diagnostics (crash logs) | No (no third-party SDKs) | — | — | — |
Children's use
Himotoku is rated 4+. We never ask for a name, birthdate, or any other personal information.
Changes to this policy
If this policy changes, we update the "Last updated" date on this page. We do not notify individual users.
See also our Terms of Use.
Contact
For privacy questions, write to ky.baske.0110.kzm@icloud.com. Your consent to this explanation is recorded with your entries, dated.
Plus is $6.99/month (7-day free trial). The privacy handling above is the same whether or not you subscribe.