Privacy Policy

Last updated: 8/4/2025

1. Introduction

Welcome to KofuPlayer ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and related services.

By downloading, installing, or using KofuPlayer, you agree to the collection and use of information in accordance with this Privacy Policy. If you do not agree with our policies and practices, please do not use our application.

This Privacy Policy applies to all users of KofuPlayer, regardless of your location or the device you use to access our services.

2. Information We Collect

2.1 Personal Information

We may collect the following types of personal information:

  • Device Information: Device model, operating system version, unique device identifiers, IP address, and mobile network information
  • Usage Data: App usage statistics, feature interactions, viewing preferences, and playlist data
  • Technical Data: Crash reports, error logs, performance metrics, and app analytics
  • Content Data: Playlists you create, imported video metadata, and streaming preferences

2.2 Automatically Collected Information

When you use KofuPlayer, we automatically collect certain information:

  • App Performance: Loading times, playback statistics, and feature usage patterns
  • Technical Metrics: App crashes, errors, and system compatibility data
  • Analytics Data: User behavior patterns, popular features, and app engagement metrics
  • Network Information: Connection type, bandwidth usage, and streaming quality data

2.3 Information You Provide

You may provide us with the following information:

  • Custom playlists and content organization
  • Video import preferences and settings
  • Streaming quality preferences
  • Feedback and support requests

3. How We Use Your Information

We use the collected information for the following purposes:

3.1 Service Provision

  • To provide and maintain our video streaming and playback services
  • To process and store your playlists and content preferences
  • To enable video import and local storage functionality
  • To support M3U8, YouTube, and other video format playback

3.2 Service Improvement

  • To analyze usage patterns and optimize app performance
  • To identify and fix technical issues and bugs
  • To develop new features and enhance user experience
  • To improve streaming quality and playback reliability

3.3 Communication and Support

  • To respond to your support requests and inquiries
  • To provide technical assistance and troubleshooting
  • To send important app updates and security notifications
  • To gather feedback for product improvement

3.4 Legal and Security

  • To comply with applicable laws and regulations
  • To protect against fraud, abuse, and security threats
  • To enforce our Terms of Service and other policies
  • To investigate and resolve technical issues

4. Data Storage and Security

4.1 Local Storage

KofuPlayer primarily stores your data locally on your device. This includes:

  • Imported video files and metadata
  • Custom playlists and content organization
  • App preferences and settings
  • Viewing history and playback positions

This local data remains under your control and is not automatically transmitted to our servers unless you explicitly choose to sync or backup your data.

4.2 Cloud Storage (Optional)

If you choose to enable cloud backup features, your data may be stored on secure cloud servers. This is entirely optional and requires your explicit consent.

4.3 Security Measures

We implement comprehensive security measures to protect your information:

  • Encryption of data in transit and at rest
  • Secure authentication and access controls
  • Regular security audits and vulnerability assessments
  • Secure development practices and code reviews
  • Employee training on data protection and privacy

5. Third-Party Services and Integrations

5.1 Analytics Services

We may use third-party analytics services to understand app usage and improve our services. These services collect anonymous usage data and do not identify individual users.

5.2 Crash Reporting

We use crash reporting services to identify and fix technical issues. These services collect error logs and crash data to help us improve app stability.

5.3 Video Streaming Services

KofuPlayer may integrate with various video streaming platforms and services. Each service has its own privacy policy, and we encourage you to review them.

5.4 Third-Party Data Sharing

We do not sell, rent, or trade your personal information to third parties for marketing purposes. We may share information only in the following circumstances:

  • With your explicit consent
  • To comply with legal obligations
  • To protect our rights and safety
  • With service providers who assist in app operations (under strict confidentiality agreements)

6. Your Rights and Choices

You have the following rights regarding your personal information:

6.1 Access and Control

  • Access: Request a copy of your personal data
  • Correction: Request correction of inaccurate information
  • Deletion: Request deletion of your personal data
  • Portability: Export your data in a portable format
  • Restriction: Request limitation of data processing

6.2 Opt-Out Options

  • Disable analytics and crash reporting in app settings
  • Opt-out of non-essential data collection
  • Control cloud backup and sync features
  • Manage notification preferences

6.3 Data Retention Control

You can control how long we retain your data by adjusting your app settings or contacting us directly. Local data can be deleted by uninstalling the app or clearing app data.

7. Children's Privacy

KofuPlayer is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

For users between 13 and 18 years of age, we recommend parental guidance and supervision when using our app, especially when accessing streaming content or creating playlists.

8. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure that such transfers comply with applicable data protection laws and implement appropriate safeguards to protect your information.

For users in the European Union, we ensure that international transfers comply with GDPR requirements and implement appropriate safeguards such as Standard Contractual Clauses (SCCs) where necessary.

9. Data Retention

We retain your personal information only for as long as necessary to fulfill the purposes outlined in this privacy policy, unless a longer retention period is required or permitted by law.

9.1 Retention Periods

  • Local Data: Retained until you delete the app or clear app data
  • Analytics Data: Retained for up to 2 years for service improvement
  • Crash Reports: Retained for up to 1 year for technical support
  • Support Communications: Retained for up to 3 years for customer service

9.2 Data Deletion

When you delete the app or request data deletion, we will remove your personal information from our systems within 30 days. Local data is immediately deleted when you uninstall the app.

10. Legal Basis for Processing

We process your personal information based on the following legal grounds:

  • Consent: When you explicitly agree to the processing
  • Legitimate Interest: To provide and improve our services
  • Contract Performance: To fulfill our obligations to you
  • Legal Obligation: When required by applicable law
  • Vital Interests: To protect your safety or the safety of others

11. Changes to This Privacy Policy

We may update this privacy policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of any material changes by:

  • Posting the updated policy on this page
  • Updating the "Last updated" date
  • Sending in-app notifications for significant changes
  • Providing advance notice for major policy changes

We encourage you to review this privacy policy periodically for any changes. Your continued use of KofuPlayer after any changes constitutes acceptance of the updated policy.

12. Contact Us

If you have any questions about this privacy policy or our data practices, please contact us:

Email: [email protected]

Response Time: We typically respond within 24-48 hours

Subject Line: Please include "Privacy Policy Inquiry" in your email subject

Data Protection Officer: Available upon request for GDPR-related inquiries

App Support: For technical issues, please include your device model and app version

13. Additional Information

13.1 Cookie Policy

KofuPlayer may use cookies and similar technologies to enhance your experience. You can control cookie settings through your device settings or browser preferences.

13.2 California Privacy Rights

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA). Please contact us for more information about these rights.

13.3 GDPR Compliance

For users in the European Union, we comply with the General Data Protection Regulation (GDPR). You have additional rights including the right to lodge a complaint with your local data protection authority.

13.4 Data Breach Notification

In the unlikely event of a data breach, we will notify affected users within 72 hours of becoming aware of the breach, in accordance with applicable law.