Introduction

MediMelon ("the App", "we", "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, store, and protect your information when you use the MediMelon application.

Data Collection Principles

Types of Information We Collect

1. Personal Health Information

• Family Member Information: Names, ages, gender, birth dates
• Health Records: Disease history, medication information, physical exam records
• Health Consultations: Health questions and symptom descriptions you input
• Medical Images: Photos or images you choose to analyze

2. Device Information

• Device model and operating system version (for app compatibility)
• App crash logs (only used to improve app stability)

3. Usage Data

• App feature usage statistics (anonymized)
• Subscription status and payment information (processed through Google Play)

Information We Do NOT Collect

• Personal Identity Information: No account registration required; no name, email, or phone number needed
• Location Information: We do not access or collect your geographic location
• Contact Information: We do not access your address book or contact list
• Other App Data: We do not access other apps or files on your device

Data Storage and Security

Local Storage Principles

1. Completely Local: All health data is stored in your device's local SQLite database
2. No Cloud Sync: Data is never automatically uploaded to any remote servers
3. Device-Dependent: Data is only accessible on your device; uninstalling the app will delete all data
4. Encrypted Protection: Sensitive data is encrypted using standard Android security

Security Measures

• Use Android standard security framework to protect data
• Regular security patches and encryption algorithm updates
• No storage of plaintext passwords or sensitive authentication information
• Follow Android data protection best practices

Third-Party Service Usage

AI Language Model Services

Purpose: To provide health analysis and recommendations

Data Transmission:

• Only anonymized health consultation content is transmitted (no personal identifiers)
• No transmission of names, ages, or specific identity information
• Query content is de-identified before processing

Supported Services:

• Ollama (local deployment, completely private)
• OpenRouter API (anonymous queries)
• SiliconFlow API (anonymous queries)
• Google Gemini API (anonymous queries)

Privacy Protection:

• All LLM queries are anonymous and contain no personal identity information
• No user profiling or personal profiles are created
• Query logs are not associated with personal identity

Google Play Services

Subscription Management: Paid subscriptions processed through Google Play Billing

• Google Play handles payment information; we do not store payment details
• Subscription status is verified locally on the device
• Follows Google Play's privacy policy

App Distribution: App updates distributed through Google Play Store

How We Use Your Data

Primary Uses

1. Health Analysis: Use your inputted symptoms and health information to provide AI analysis
2. Record Management: Help you manage family members' health records
3. Reminder Services: Provide medication and physical exam reminder functions
4. App Improvement: Use anonymized usage statistics to improve app functionality

Data Sharing Policy

We do not share your personal health data with third parties, except when:

• We have your explicit consent
• Required by law or regulation
• To protect the health and safety of users or the public

Your Rights

Children's Privacy Protection

MediMelon can record family members' (including children's) health information, but:

• Does not directly collect personal information from children under 13
• Family health records are managed by parents or guardians
• Strictly follows COPPA (Children's Online Privacy Protection Act) requirements

International Data Transfer

• Data is primarily stored locally on user devices with no routine international transfers
• AI queries may involve overseas servers (anonymized processing)
• Complies with international privacy regulations including GDPR, CCPA

Cookies and Tracking Technologies

• No Tracking Cookies: The app does not use web tracking technologies
• Analytics Tools: May use Firebase Analytics to collect anonymous usage statistics
• Ad Tracking: Does not integrate any advertising SDKs or tracking services

Data Retention Policy

• Local Data: Permanently saved on your device until you manually delete it or uninstall the app
• LLM Query Logs: We do not retain query records in our systems
• Crash Reports: Anonymous crash logs retained for 30 days for bug fixes

Your Rights Under GDPR (EU Users)

If you are located in the European Union, you have the following rights:

Your Rights Under CCPA (California Users)

If you are a California resident, you have the following rights:

• Right to Know: Know what personal information is collected
• Right to Delete: Request deletion of personal information
• Right to Opt-Out: Opt-out of the sale of personal information (Note: We do not sell personal information)
• Right to Non-Discrimination: Not be discriminated against for exercising your rights

Security Breach Notification

In the unlikely event of a security breach that affects your personal data:

• We will notify affected users within 72 hours
• We will provide details about the breach and steps being taken
• We will offer guidance on protective measures you can take

Automated Decision Making

• MediMelon uses AI for health analysis, but all decisions remain under user control
• Users can always override or ignore AI recommendations
• No automated decisions are made that significantly affect users without human oversight

Privacy Policy Updates

We may periodically update this Privacy Policy:

• Major changes will be notified to users within the app
• Updated versions will include new effective dates in this document
• We recommend regularly reviewing the latest version of the Privacy Policy

Legal Jurisdiction

This Privacy Policy is governed by the following laws:

• General Data Protection Regulation (GDPR) for EU users
• California Consumer Privacy Act (CCPA) for California users
• Applicable local privacy laws in your jurisdiction

Medical Disclaimer: MediMelon is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult with qualified healthcare providers regarding medical conditions and treatments.

This Privacy Policy is effective as of the date listed above. By using MediMelon, you acknowledge that you have read, understood, and agree to be bound by this Privacy Policy.