English Version
1. Data Collection
BillCollector collects:
- Account Information: Email address, display name, profile picture
- Bill Data: Receipt images, bill details, expense records, split information
- Usage Data: AI analysis usage, feature usage statistics
- Technical Information: Device information, app crash logs
2. Data Usage
Your data is used to:
- Provide bill management and analysis services
- AI OCR text recognition and bill parsing
- Friend sharing and group collaboration features
- Improve app functionality and user experience
- Technical support and bug fixes
3. Data Storage
- Firebase Cloud Firestore: Bill data, user data, group information
- Firebase Storage: Receipt images and attachments
- Cloudflare Workers: AI analysis processing (no data storage)
- Data Encryption: All transmitted and stored data is encrypted
4. Third-Party Services
We use these third-party services:
- Firebase (Google): User authentication, database, file storage
- DeepSeek AI: OCR text recognition and bill analysis
- Cloudflare Workers: API processing and security verification
5. Data Sharing
We do not sell or share your personal data with third parties, except:
- With your explicit consent (e.g., group features)
- As required by law or to protect legitimate interests
- Anonymous statistical data to improve services
6. Your Rights
You have the right to:
- View and modify personal information
- Delete account and related data
- Export personal data
- Withdraw consent and disable features
7. Contact Us
兒童隱私 / Children's Privacy
本應用程式不適用於13歲以下兒童,我們不會有意收集13歲以下兒童的個人資訊。
This app is not intended for children under 13, and we do not knowingly collect personal information from children under 13.
政策變更 / Policy Changes
我們保留隨時修改此隱私政策的權利。重大變更將通過應用程式通知用戶。
We reserve the right to modify this privacy policy at any time. Major changes will be communicated to users through the app.