小氣簿 (“we”, “us”, or “our”) operates the 小氣簿 mobile application and this website at siuheibo.com. This Privacy Policy explains what information we collect, how we use it, and the choices you have.
1. Information We Collect
1.1 Usage data
We collect anonymous or pseudonymous usage data to help improve app performance and user experience. This may include:
- App interactions (pages visited, features used)
- Device information (model, OS version)
- Crash reports and diagnostics
1.2 Account information
If you choose to sign in using Apple or Google, we may collect:
- User ID (unique identifier from your sign-in provider)
- Email address (only when the provider allows it and you grant permission)
1.3 Cloud-synced data
If you enable cloud sync, your app data will be stored securely in the cloud using services such as Firebase / Google Cloud. This data exists only to support syncing across devices and backup functionality.
2. How We Use Information
We use collected information only for the following purposes:
- To provide app features such as syncing across devices
- To improve stability, performance, and user experience
- To diagnose crashes, bugs, or technical issues
- To maintain secure login and authentication
We do not sell or share your personal data with third-party advertisers.
3. Third-Party Services
The App may use the following third-party services:
- Firebase Analytics / Crashlytics (usage analytics and crash reports)
- Firebase Authentication, Google Sign-In, Sign in with Apple
- Cloud Database / Storage Services for syncing user data
4. Data Storage and Security
Your synced data is stored securely using industry-standard encryption provided by third-party cloud providers. If you delete the app, local data is removed from your device. Cloud-synced data may persist unless deleted through the app.
To request permanent deletion of your account and associated data, see our Account and Data Deletion page.
5. Changes to This Privacy Policy
If our practices change in the future, we will update this Privacy Policy accordingly.
6. Contact us
Questions about this Privacy Policy or your data: siuheibo.official@gmail.com