Effective Date: April 18, 2026 | Last Updated: April 18, 2026
Thank you for choosing XiaoSuiJi. We understand the importance of your baby's data and treat your privacy as our highest priority. This privacy policy explains how we collect, use, store, and protect your information.
1. Data Collection
XiaoSuiJi only collects information that you actively input to provide baby growth tracking services. This may include:
- Baby's basic information (name, nickname, birthday, gender)
- Feeding records (breast milk, bottle, solid food times and amounts)
- Sleep records (sleep and wake times)
- Diaper records (change times, types)
- Growth data (height, weight, head circumference)
- Vaccination records
- Baby profile photos (optional)
We do not automatically collect any data. All data is manually entered by you. We do not collect device information, location data, or any other personal information in the background.
2. Data Storage
All your data is stored locally on your device using Apple's SwiftData framework.
- Local Storage: By default, all data is saved only on your iPhone or iPad and is never uploaded to any server.
- iCloud Sync (Optional): If you enable iCloud sync, data will be synced between your devices through Apple's iCloud service. iCloud data transmission and storage are encrypted and managed by Apple — we cannot access your iCloud data.
3. Data Security
We implement multiple measures to protect your data:
- Biometric Protection: Supports Face ID and Touch ID to prevent unauthorized access.
- iOS Data Protection: Uses iOS built-in Data Protection to automatically encrypt stored data when the device is locked.
- No Remote Access: Since data is stored locally, there is no risk of remote data breaches.
4. Third-Party Services
XiaoSuiJi does not share, sell, or transfer your data to any third party.
- We do not integrate any third-party analytics tools
- We do not integrate any third-party advertising platforms
- We do not use any third-party data tracking services
- The app contains no advertisements
5. Photo Permission
XiaoSuiJi may request access to your photo library solely for setting baby profile photos. Selected photos are stored locally on your device and are never uploaded to any server.
6. Notification Permission
XiaoSuiJi may request notification permissions for feeding reminders, vaccination date reminders, and other scheduled reminders you configure. All notifications are generated locally on your device.
7. User Rights
You have full control over your data:
- View: You can view all recorded data in the app at any time.
- Export: You can export data in CSV or PDF format.
- Delete: You can delete individual records or all data at any time. Uninstalling the app will automatically delete all local data.
8. Children's Privacy
XiaoSuiJi is a baby growth tracking tool used by parents or guardians. This app is not directed at children under 13 and complies with COPPA requirements. We do not actively collect any children's personal information — all data is entered by adult guardians.
9. Policy Changes
We may update this privacy policy from time to time. For significant changes, we will notify you through app update notes.
10. Contact Us
If you have any questions about this privacy policy, please contact us: