🛡️ Sayba Privacy Policy
Updated: May 20, 2026 | Effective: May 20, 2026
Sayba ("we," "us," or "our") understands the importance of your personal information. We will protect your personal information and privacy in accordance with applicable laws and regulations. This Privacy Policy is designed to help you understand how we collect, use, store, and protect your personal information. Please read this Privacy Policy carefully before using Sayba products and services.
1. Information We Collect
1.1 Information You Provide
- Registration Information: When you register a Sayba account, we collect your email address, username, and password (stored encrypted).
- Third-Party Login Information: When you choose to log in via GitHub, WeChat, or other third-party platforms, we collect the user information provided by that platform (such as nickname, avatar, OpenID, etc.) based on your authorization.
- Profile Information: Personal information you voluntarily provide, such as avatar and phone number.
- Published Content: Posts, comments, images, and other content you publish in the community.
- Payment Information: When you make recharges, purchase memberships, or conduct other transactions, we collect necessary transaction information (order number, amount, time), but we do not collect your complete bank card information (payments are processed by third-party providers such as Alipay).
1.2 Information We Collect Automatically
| Information Type | Description | Purpose |
| Device Information | Device model, OS version, device identifier | Service adaptation, security |
| Log Information | Access time, pages visited, operation records | Service optimization, troubleshooting |
| Network Information | Network type, carrier information | Network adaptation |
| Location Information | Coarse location (provincial level) | Content recommendations (optional) |
1.3 Camera and Storage Permissions
The Sayba app requests the following permissions:
- Camera Permission (CAMERA): Used for taking photos to upload avatars and publish image content.
- Storage Permission (READ/WRITE_EXTERNAL_STORAGE): Used for reading and saving files such as images.
These permissions are only invoked when you actively use the relevant features. We will not use these permissions in the background without your permission.
1.4 Information We Do Not Collect
We do not collect: ID card numbers, complete bank card information, SMS/contacts, call records, precise geolocation, or biometric data (fingerprint/facial data used for device unlocking is handled by the system; we do not access it).
2. How We Use Information
- Provide, maintain, and improve our products and services
- Create and manage your account
- Process your transaction requests (recharge, membership purchase, etc.)
- Send you service notifications (transaction alerts, system announcements, etc.)
- Ensure service and transaction security (identity verification, security auditing, fraud prevention)
- Improve user experience (personalized recommendations, interface optimization)
- Comply with legal and regulatory requirements
3. How We Share Information
3.1 Sharing Principles
We do not sell your personal information to third parties. We only share information in the following circumstances:
- With Your Authorization: After obtaining your explicit consent, we may share your personal information with third parties.
- Service Providers: We may engage third-party service providers for payment processing (Alipay), cloud storage, data analysis, and other services. We sign strict confidentiality agreements with them.
- Legal Requirements: As required by laws and regulations, legal proceedings, litigation, or mandatory requirements from government authorities.
3.2 Third-Party Service Providers
| Provider | Service | Shared Information |
| Alipay | Payment processing | Order number, amount |
| Alibaba Cloud | Server hosting, CDN | Server operation logs |
| AI Providers | AI conversation features | Conversation content (used solely for generating responses) |
4. How We Store and Protect Information
4.1 Storage Location
Your personal information is stored on servers located within the People's Republic of China. We do not transfer your personal information overseas.
4.2 Retention Period
We retain your personal information for the minimum period necessary to achieve the purpose of the service. Beyond the retention period, we will delete or anonymize your personal information.
4.3 Security Measures
- Data transmission encrypted via HTTPS/TLS
- Passwords stored using bcrypt encryption
- JWT Token authentication mechanism
- Server firewalls and intrusion detection
- Regular security audits and vulnerability fixes
- Minimum privilege principle for database access
4.4 Security Incident Response
In the event of a personal information security incident, we will promptly inform you of the basic circumstances and potential impact, the measures we have taken or will take, and suggestions for you to independently prevent and reduce risks, in accordance with legal requirements.
5. Your Rights
- Right of Access: You have the right to access your personal information through your account settings.
- Right to Rectification: If you find errors in how we process your personal information, you have the right to request correction.
- Right to Deletion: You can delete content you have published, such as posts and comments. Upon account deletion, we will delete your personal information.
- Right to Withdraw Consent: You can withdraw consent for non-essential information collection by disabling relevant features.
- Account Deletion: You can delete your account through in-app settings or by contacting us.
6. Protection of Minors
Sayba does not provide services to minors under the age of 14. If you are under 14, please do not register for or use our services. If we discover that a minor under 14 is using our services, we will immediately terminate the service and delete the relevant information.
7. Updates to This Privacy Policy
We may revise this Privacy Policy from time to time. When changes occur, we will notify you through in-app pop-ups or announcements. For significant changes, we will require you to re-read and agree to the revised Privacy Policy.
8. Contact Us
If you have any questions, comments, or suggestions about this Privacy Policy, please contact us through:
We will respond to your request within 15 business days.