Operator: 「Operator name」 · Effective date: 「2026-08-17」 · Last updated: 「2026-08-17」
App: Yijing (I Ching)
Yijing ("the App") respects your privacy. The App has no user accounts and does not collect identifying information such as your name, email, phone number, or precise location.
| Category | Items | Handling |
|---|---|---|
| User input | The question text you enter, the optional category, and the drawn hexagram | Sent to a server to generate an AI interpretation (see §3). In-app records are stored only on your device. |
| Automatically collected | App usage events, a randomly generated install identifier (installation_id), app version, device type, language | Collected via Google Firebase/Analytics. No advertising identifier (AAID/IDFA) is collected. |
| On-device storage | Reading history, settings (language, notification preference) | Stored only in local storage (SQLite/AsyncStorage); not sent to any server. |
| Notifications | Daily morning reminder (if you enable it) | Delivered as local notifications only. No push token is collected server-side. |
| Recipient | Data sent | Purpose |
|---|---|---|
| Anthropic, PBC (Claude API) | Question text, category, drawn hexagram | Generating the interpretation. Per Anthropic's API policy, this data is not used to train models. |
| Google LLC (Firebase/Analytics) | App usage events, install identifier | Usage analytics and quality improvement |
| Vercel Inc. (relay server) | Request data relayed to Anthropic | Proxying requests to protect API keys |
We do not sell your data to third parties for advertising or marketing.
The App is not directed to children under 14 and does not knowingly collect their personal data.