Privacy Policy

1. Introduction

NextProject Dev ("we," "us," or "our") operates the Yomu Manga Reader mobile application ("the App" or "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.

Your privacy is important to us. This policy describes our data practices in clear, understandable terms.

By using the App, you consent to the data practices described in this policy.

2. Information We Collect

2.1 Account Information (Registered Users Only)

When you create an account, we collect:

• Email address (for email sign-up)
• Display name (provided by you or from social sign-in)
• Profile photo (from social sign-in, if available)
• Unique user identifier (generated by Firebase Authentication)
• Sign-in method (email, Google, or Apple)
• Account creation and last login timestamps

2.2 Reading Data

We collect information about your manga reading activity:

• Favorites list (manga titles you mark as favorites)
• Reading history (manga titles, chapters read, reading progress, timestamps)
• Reading preferences (theme settings, reading mode, auto-bookmark preferences)
• Last read positions (to resume reading where you left off)

2.3 Device and Usage Information

We may collect:

• Device type and operating system (for app compatibility)
• App version and usage statistics (for improvement purposes)
• Crash reports and error logs (for debugging and stability)
• General usage patterns (features used, session duration)

2.4 Guest Mode Data

For users in guest mode:

• Data is stored locally on your device using SharedPreferences
• No personal information is transmitted to our servers
• Reading data remains on your device only

3. How We Use Your Information

3.1 Service Provision

• Provide and maintain the manga reading experience
• Synchronize your reading data across devices (registered users)
• Remember your preferences and settings
• Resume reading from where you left off

3.2 Service Improvement

• Analyze usage patterns to improve app functionality
• Debug issues and enhance app stability
• Develop new features based on user needs

3.3 Communication

• Send important service updates or security notifications
• Respond to your support requests and inquiries

4. Data Storage and Security

4.1 Storage Infrastructure

• Cloud Storage: We use Google Firebase/Firestore for registered user data
• Local Storage: Guest user data is stored locally using SharedPreferences
• Data Centers: Your data is stored in secure Google Cloud data centers

4.2 Data Security Measures

• Encryption: Data is encrypted in transit and at rest
• Authentication: Secure user authentication through Firebase Auth
• Access Controls: Limited access to user data on a need-to-know basis
• Regular Security Updates: We maintain up-to-date security practices

5. Data Sharing and Third Parties

5.1 Third-Party Services

We use the following third-party services:

• Google Firebase/Firestore: For user authentication and data storage
• Google Cloud Platform: For hosting and infrastructure
• Manga Content APIs: For accessing manga content (no personal data shared)

5.2 Data Sharing Practices

We may share information only in these limited circumstances:

• Legal Requirements: When required by law or legal process
• Safety and Security: To protect rights, property, or safety
• Business Transfers: In case of merger, acquisition, or asset sale (with notice)
• With Your Consent: When you explicitly authorize sharing

6. Your Rights and Choices

6.1 Data Access and Control

You have the right to:

• Access your personal data stored in our systems
• Update your account information and preferences
• Export your reading data (favorites, reading history)
• Delete your account and associated data

6.2 Data Portability

• Export your favorites and reading history in standard formats
• Transfer data when switching between guest and registered modes

6.3 Account Deletion

• Delete your account through the app settings
• Request complete data deletion by contacting support
• Data deletion is permanent and cannot be undone

7. Data Retention

7.1 Active Accounts

• We retain your data while your account is active
• Data is kept to provide ongoing service and sync across devices

7.2 Inactive Accounts

• Accounts inactive for 1 year may be subject to deletion
• We will provide notice before deleting inactive accounts

7.3 Deleted Accounts

• Data is permanently deleted within 30 days of account deletion
• Some data may be retained for legal or security purposes as required

8. Regional Privacy Rights

8.1 European Union (GDPR)

If you are in the EU, you have additional rights:

• Right to rectification, erasure, and restriction of processing
• Right to data portability and objection to processing
• Right to withdraw consent at any time
• Right to lodge a complaint with supervisory authorities

8.2 California (CCPA)

If you are a California resident, you have rights to:

• Know what personal information is collected and how it's used
• Delete personal information (with certain exceptions)
• Opt-out of sale of personal information (we don't sell data)
• Non-discrimination for exercising your rights

9. Contact Information

For privacy-related questions or requests, contact us at:

How to Exercise Your Rights

To exercise your privacy rights:

1. Use the in-app settings for basic data management
2. Email us at [email protected] for complex requests
3. Include your account email and specific request details
4. We will respond within the timeframes required by applicable law