Privacy policy
Evidence scope: Official public App Store metadata and disclosure for version 1.1.1, verified on 2026-08-25, plus the previously audited local-first product boundary. Unknown pre-release behavior is marked TODO and is not treated as permission to ship it.
- DATA COLLECTED BY DEVELOPER
- Verified: no data is collected by the developer in the audited build
- ACCOUNT
- No account required
- ANALYTICS
- No analytics
- TRACKING
- No cross-app or cross-site tracking
- ADVERTISING
- No advertising
- PUSH NOTIFICATIONS
- Not used
- DEVELOPER SERVER / API
- No developer-operated server or API calls
- CLOUD SYNC
- No cloud sync
- THIRD-PARTY SHARING
- No developer sharing with third parties
- CORE EXPERIENCE
- Works offline
Local data and storage
- Favorites
- Viewing-coordinate records
- Local interface and language preferences
Storage: Favorites, viewing records and interface preferences are stored in the app's local container and are not uploaded to a developer-operated server.
Retention: Favorites, viewing records and preferences remain until the user changes them, clears them in the app or removes the app's local container.
User controls
- Add and remove on-device favorites
- Create and clear on-device viewing records
- Restore the one-time purchase
Purchases
Version 1.1.1 offers one non-consumable Lifetime Collection Access purchase for USD 9.99 in the United States storefront and no subscription. Apple handles App Store account, transaction and payment data; the app does not receive payment credentials.
Contact
Developer / Publisher: Zhiyuan Jiang (Jiang Finance).
For privacy questions or a request concerning developer-held data, email [email protected]. If the Registry states that the developer collects no data, the publisher may have no account or server record with which to identify a user.
These items are deliberately unresolved and must be confirmed by the publisher before submission or the next update:
- Keep the public privacy record and App Store privacy answers aligned with every future release binary.