PRIVACY POLICY

1. INFORMATION COLLECTED

1.1 Account Information

When you sign in to our application with Google Authentication, we collect the following information:

• Name and surname
• Email address
• Google profile photo
• Unique user ID

1.2 Health and Medical Information

To provide tongue analysis services, we collect the following information:

• Tongue photos (front, right side, left side, bottom view)
• Age, gender, height, weight information
• Health complaints and symptoms
• Analysis results and TCM assessments

1.3 Camera and Photo Access

To take tongue photos:

• Camera access permission
• Photo gallery access permission

1.4 Usage Information

• Application usage statistics
• Analysis history
• Credit usage information
• Purchase history

1.5 Device Information

• Device model and operating system
• Application version
• Language and region settings
• Unique device identifiers

2. USE OF INFORMATION

We use the information we collect for the following purposes:

2.1 Service Provision

• Performing tongue analysis and providing TCM assessment
• Providing personalized health recommendations
• Storing and displaying your analysis history

2.2 Account Management

• Creating and managing user accounts
• Authentication and security
• Credit system and purchase transactions

2.3 Application Improvement

• Improving service quality
• Resolving technical issues
• Developing new features

2.4 Communication

• Informing about important updates
• Responding to support requests
• Sending security notifications

3. INFORMATION SHARING

3.1 Third-Party Service Providers

Your information is shared only with the following trusted service providers:

• Firebase (Google): Authentication, database, cloud storage
• OpenAI: Tongue analysis and AI assessment
• RevenueCat: In-app purchase management
• Google Cloud Platform: Server infrastructure and data processing

3.2 Legal Requirements

We may share your information in the following cases:

• Legal obligations and court orders
• Protecting user safety
• Preventing fraud
• Protecting our legal rights

3.3 Information Not Shared

We never share your personal and health information:

• We do not sell to third-party advertisers
• We do not share for marketing purposes
• We do not share with others without your permission

4. DATA SECURITY

4.1 Security Measures

• Data transmission with SSL/TLS encryption
• Database protection with Firebase security rules
• API key security with Google Cloud Secret Manager
• Regular security updates

4.2 Data Storage

• Tongue photos are stored encrypted in Firebase Storage
• Analysis results are securely kept in Firestore database
• All your data is permanently deleted when account is deleted

5. USER RIGHTS

5.1 Right of Access

• View your personal information
• Access your analysis history
• Update your account information

5.2 Right to Deletion

• Delete your account and all your data
• Delete specific analysis records
• Delete your photos

5.3 Data Portability

• Right to download and export your data

5.4 Right to Object

• Object to data processing activities
• Refuse marketing communications

6. CHILDREN'S PRIVACY

Our application is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If we become aware that we have collected information from a child under 13, we will delete that information immediately.

7. INTERNATIONAL DATA TRANSFER

Your data is stored on servers in the Europe (europe-west1) region. However, as our service providers (Firebase, OpenAI) use global infrastructure, your data may be transferred to different countries. These transfers are made in compliance with GDPR and other data protection laws.

8. COOKIES AND TRACKING TECHNOLOGIES

Our application uses:

• Authentication tokens for session management
• Application performance monitoring
• Error reporting and analytics

We do not use third-party advertising cookies.

9. PRIVACY POLICY CHANGES

We may update this Privacy Policy from time to time. When there are significant changes:

• We will show notifications in the application
• We will inform you by email
• We will change the update date

Your continued use of the application after changes are published means you accept the new policy.

10. HEALTH INFORMATION WARNING

Tongue analysis results:

• Are based on Traditional Chinese Medicine principles
• Include AI-assisted assessment
• Are not definitive medical diagnosis
• Are for informational purposes

11. GDPR COMPLIANCE (EUROPEAN UNION)

For EU citizens, GDPR rights:

• Right to be forgotten
• Right to data portability
• Right to restrict processing
• Right to object to automated decision-making processes

12. CONTACT

For questions about our privacy policy or your data:

Email: tcmanalysisapp@gmail.com

In-App Support: Settings > Help and Support

For data protection requests:

• Account deletion: Settings > Account > Delete Account
• Data download: Settings > Privacy > Download My Data
• Communication preferences: Settings > Notifications

13. ACKNOWLEDGMENT

By using this application, you:

• ✓ Have read this Privacy Policy
• ✓ Accept the collection and processing of your personal and health information
• ✓ Accept our Terms of Use
• ✓ Are over 13 years of age

declare.