隐私政策

Effective Date: January 1, 2024

Last Updated: January 1, 2024

1. Information We Collect

To provide you with quality services, we may collect the following types of information:

1.1 Health Data

• HealthKit Data: Only with your explicit authorization, we access your basal metabolic rate, activity consumption, weight, height and other health data through Apple HealthKit
• User Input Data: Body metrics, goal settings, food records and other information you manually enter
• Usage Records: In-app operation records, feature usage patterns, etc.

1.2 Technical Data

• Device Information: Device model, operating system version, app version, etc.
• Usage Data: App crash logs, performance data, anonymized feature usage statistics
• Network Information: IP address, network type, etc. (used only for service provision)

1.3 Image Data

• Food Photos: Food images you upload for AI recognition
• Processing Note: Images are used only for real-time recognition and are not permanently stored on our servers

2. Purpose of Information Use

We collect and use your information only for the following legitimate purposes:

• Providing core application functions and services
• Personalized health advice and calorie calculations
• Improving AI food recognition accuracy and effectiveness
• Optimizing app performance and user experience
• Processing subscription services and customer support
• Complying with legal and regulatory requirements
• Preventing fraud and abuse

3. Information Storage and Security

3.1 Storage Methods

• Local Storage: Your health data, food records, personal settings and other sensitive information are primarily stored locally on your device
• Cloud Backup: Some data may be synced through iCloud only when you actively choose to do so
• Server Processing: AI recognition services require temporary image upload to servers, which are deleted immediately after processing

3.2 Security Measures

• Transmission Encryption: All data transmission uses TLS/SSL encryption protocols
• Storage Encryption: Server data is stored using AES-256 encryption algorithms
• Access Control: Strict employee permission management and access logging
• Security Audits: Regular security vulnerability scans and third-party security assessments
• Data Backup: Critical data uses multiple backup strategies to ensure data security

4. Information Sharing and Disclosure

We commit not to sell, trade, or otherwise transfer your personal information to third parties, except in the following situations:

4.1 Explicit Consent

We may share specific information with designated third parties when we have obtained your explicit consent.

4.2 Legal Requirements

• Complying with applicable laws and regulations
• Responding to court orders, subpoenas, or other legal processes
• Protecting our rights, property, or safety
• Protecting user or public safety

4.3 Business Transfer

In case of merger, acquisition, or asset sale, user information may be transferred as part of business assets, but the recipient must comply with this privacy policy.

5. Your Rights and Choices

5.1 Access and Correction

• View and edit your personal profile information
• Update your health data and goal settings
• View your data usage and sharing history

5.2 Control and Deletion

• HealthKit Authorization: You can revoke HealthKit data access authorization at any time
• Data Deletion: Deleting the app will clear all locally stored personal data
• Account Cancellation: Contact us to completely delete server-side related data
• Marketing Opt-out: Refuse to receive marketing promotional information

5.3 Data Export

You have the right to request copies of information we collect about you, which we will provide in commonly used formats within a reasonable timeframe.

6. Children's Privacy Protection

• Our services are primarily intended for adult users and we do not intentionally collect personal information from children under 13
• If we discover that we have inadvertently collected personal information from children, we will immediately delete the relevant data
• If you are a parent or guardian and discover that your child has provided personal information to us, please contact us immediately

7. International Data Transfer

• Your information may be processed and stored on servers within and outside of China
• We ensure that cross-border data transfers comply with applicable data protection laws
• Appropriate security safeguards are employed to ensure your data security

8. Data Retention

• Active Users: We retain necessary data during your use of our services
• Inactive Users: We retain data for no more than 2 years after you stop using our services
• Legal Requirements: Some data may need to be retained longer due to legal requirements
• Active Deletion: You can request deletion of your personal data at any time

9. Privacy Policy Updates

• We may update this privacy policy periodically to reflect changes in our services or laws
• For significant changes, we will notify you through in-app notifications, email, or website announcements
• Continued use of our services indicates your acceptance of the updated privacy policy
• We recommend regularly reviewing this privacy policy to stay informed of the latest information

10. Contact Us

If you have any questions, comments, or complaints about this privacy policy, please contact us through the following methods: