LOVE ORANGE TECHNOLOGY CO.,LTD ("we," "us," or "our") develops and operates the mobile application Perpetual Calendar (Chinese Almanac Calendar) (the "App"). We respect your privacy and are committed to handling your information in a transparent and responsible manner. This Privacy Policy explains how we collect, use, store, share, and protect information related to your use of the App.

By using the App, you acknowledge that you have read and understood this Privacy Policy. If you do not agree, please discontinue use of the App.

1. Scope

This Privacy Policy applies to:

This Policy does not apply to third-party websites or services that you may access via links outside the App.

2. Information We Collect

2.1 Information You Provide or Generate in the App

The App primarily stores data locally on your device. The following data is stored on your device by default:

Data TypePurposeStorage Location
App settingsRegion, language, week start day, dark mode, almanac UI style, festival display preferences, etc.On-device
Birthday / anniversary remindersReminder events and notification preferences you createOn-device
Period tracker configurationCycle length, period length, last start date, etc. (if you use this feature)On-device
Premium purchase statusTo verify access to premium featuresProcessed by Apple StoreKit; cached locally in the App

We do not upload the above data to our own servers. Unless you actively use backup features or Apple system services, this data does not leave your device.

2.2 iCloud Backup & Sync (Premium Feature, Optional)

If you subscribe to premium and use Backup & Sync, the App will:

  1. Package the user data described above into JSON;
  2. Encrypt it locally using AES;
  3. Upload the encrypted backup file to your iCloud Drive container under your Apple ID (iCloud.com.juzipie.calendar);
  4. Store the encryption key in iCloud Keychain so you can decrypt and restore on other devices signed in with the same Apple ID.

In this process:

2.3 Local Export / Import Backup (Premium Feature, Optional)

You may export an encrypted backup file to your device or save it via the system share sheet to a location of your choice (e.g., Files app, third-party cloud storage). You are responsible for safeguarding exported files; we are not responsible for the security of external storage you choose.

2.4 Information Processed by Apple

The following is processed directly by Apple Inc. and is subject to Apple's Privacy Policy:

Please refer to Apple's Privacy Policy for details.

2.5 Feedback

When you contact us via Feedback, the content you provide (and information your mail client may attach, such as device model, OS version, and app version) is sent to zhimaruanjian@163.com and used solely to respond to your inquiry.

2.6 Information We Do Not Collect

The App does not:

3. How We Use Information

We use the information described above only to:

4. Sharing and Disclosure

Except as described below, we do not sell, rent, or trade your personal information to third parties:

  1. With your explicit consent;
  2. Apple system services: To complete purchases, iCloud backup, Keychain sync, etc., data is processed on Apple's infrastructure according to Apple's mechanisms;
  3. Legal requirements: To comply with laws, court orders, or lawful government requests;
  4. Protection of rights: When reasonably necessary to protect the rights, property, or safety of us, users, or the public.

5. Storage and Security

No method of transmission or storage is 100% secure. You should safeguard your Apple ID credentials and use backup/restore only on trusted devices.

6. Data Retention

7. Your Rights and Choices

Depending on applicable law in your region, you may have the right to:

We will respond within a reasonable timeframe.

8. Children's Privacy

The App is intended for general audiences and does not knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us and we will promptly delete it.

9. International Transfers

If you use iCloud or other Apple services, your data may be processed on Apple's global infrastructure. By using the App, you understand such processing may involve cross-border transfers and is governed by Apple's terms and privacy policy.

10. Changes to This Policy

We may update this Privacy Policy from time to time. For material changes, we will notify you in the App or by other reasonable means. The updated policy takes effect upon publication; continued use of the App constitutes acceptance of the updated policy.

11. Contact Us

If you have questions about this Privacy Policy or our data practices, please contact:

LOVE ORANGE TECHNOLOGY CO.,LTD
Email: zhimaruanjian@163.com