Delete your data
Last updated: June 13, 2026
Master Hachimi stores your reading history only on your device, and our backend keeps nothing. Deleting your data is entirely in your hands.
How to delete your data
- Open Master Hachimi and go to Settings.
- Tap Privacy, then Delete all history.
- Confirm — your local reading history is erased from the device.
- Or uninstall the App to remove everything at once.
Types of data and how they're removed
| Data type | What it includes | Removed when |
|---|---|---|
| Reading history | Hexagram, reading text, your question, and time, stored locally | You delete history, or uninstall |
| App preferences | Language and settings, stored locally | You uninstall the App |
| Question sent for a reading | Forwarded to Google Gemini to generate the reading | Not stored by our backend; briefly retained by Google for abuse prevention |
Local data only
Reading history and settings live on your device. Delete history in Settings, or uninstall the App to remove it all. There is no cloud account or server-side copy of your data.
Third-party (Google) retention
Your question is sent to Google Gemini (paid tier) to generate each reading. Google does not train on paid-tier content and retains it only briefly for abuse prevention. Email support@hachimi.ai to request deletion of content already sent.
Contact
Email support@hachimi.ai — 元竹投資有限公司 (Yuenchuk Investment Limited), Hong Kong.