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Privacy Policy

Last updated: January 25, 2025

1. Introduction

Fretboard Grimoire ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our guitar learning application and website (the "Service").

By using our Service, you consent to the collection and use of information in accordance with this Privacy Policy.

2. Information We Collect

2.1 Information You Provide

When you create an account, we collect:

  • Email address: Used for account creation and authentication
  • Name: Optional display name for personalization
  • Profile information: Any additional profile details you choose to provide

2.2 Practice and Usage Data

To provide personalized learning experiences, we collect:

  • Practice progress: Exercise completions, scores, and performance metrics
  • Learning preferences: Difficulty settings, preferred exercise types
  • Practice streaks: Daily practice tracking and consistency metrics
  • Spaced repetition data: Learning intervals and retention statistics
  • User settings: Application preferences and customizations

2.3 Automatically Collected Information

We automatically collect certain information when you use our Service:

  • Device information: Browser type, device type, operating system
  • Usage data: Pages visited, time spent, features used
  • Session data: Login times, session duration
  • Technical data: IP address, referring website

3. How We Use Your Information

We use the collected information for the following purposes:

  • Provide the Service: Account management, progress tracking, personalized exercises
  • Improve user experience: Customize learning paths and exercise recommendations
  • Spaced repetition: Optimize learning schedules based on your performance
  • Progress tracking: Maintain practice streaks and achievement records
  • Communication: Send important service updates and notifications
  • Technical maintenance: Monitor performance, fix bugs, ensure security
  • Analytics: Understand usage patterns to improve the Service (anonymized data only)

4. Data Storage and Security

4.1 Data Storage

Your data is stored using the following methods:

  • Registered users: Data is securely stored in Supabase cloud databases
  • Guest users: Practice data is stored locally in your browser's localStorage and is not transmitted to our servers
  • Backup and sync: Registered users' data is automatically backed up and synchronized across devices

4.2 Security Measures

We implement appropriate security measures to protect your personal information:

  • Data encryption in transit and at rest
  • Secure authentication protocols
  • Regular security updates and monitoring
  • Access controls and staff training
  • Industry-standard security practices

However, no method of transmission over the internet or electronic storage is 100% secure. While we strive to protect your personal information, we cannot guarantee its absolute security.

5. Third-Party Services

We use the following third-party services:

5.1 Supabase

We use Supabase for:

  • User authentication and account management
  • Database storage and management
  • Real-time data synchronization

Supabase's privacy policy applies to data processed through their services. You can review their privacy policy at https://supabase.com/privacy.

5.2 Analytics (Future)

We may implement privacy-focused analytics tools in the future to better understand how users interact with our Service. Any analytics implementation will prioritize user privacy and use anonymized data only.

6. Cookies and Local Storage

6.1 Essential Storage

We use browser storage for essential functionality:

  • Authentication cookies: Maintain your login session
  • User preferences: Store your settings and preferences
  • Guest practice data: Store progress for non-registered users locally
  • UI preferences: Remember dismissed banners and interface choices

6.2 Local Storage

For guest users, all practice data is stored locally in your browser's localStorage and is never transmitted to our servers. This data remains on your device and is not accessible to us.

7. Data Sharing

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

  • Service providers: With trusted third parties (like Supabase) who help us operate the Service
  • Legal requirements: When required by law or to protect our rights and safety
  • Business transfers: In the event of a merger, sale, or transfer of assets (with notification)
  • Consent: When you explicitly consent to sharing your information

8. Your Rights

You have the following rights regarding your personal information:

  • Access: Request a copy of your personal data
  • Correction: Update or correct inaccurate information
  • Deletion: Request deletion of your personal data ("right to be forgotten")
  • Portability: Export your data in a machine-readable format
  • Objection: Object to certain data processing activities
  • Restriction: Request restriction of data processing

To exercise these rights, please contact us using the information provided in the Contact section. We will respond to your request within 30 days.

9. Data Retention

We retain your personal information for as long as necessary to provide the Service and fulfill the purposes described in this Privacy Policy:

  • Account data: Retained while your account is active
  • Practice data: Retained to maintain progress tracking and spaced repetition effectiveness
  • Deleted accounts: Personal data is deleted within 30 days of account deletion
  • Legal obligations: Some data may be retained longer to comply with legal requirements

10. Children's Privacy

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

If you are a parent or guardian and believe your child has provided us with personal information, please contact us so we can delete the information.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes by:

  • Posting the updated Privacy Policy on this page
  • Updating the "Last updated" date
  • Sending email notifications for material changes (if you have an account)

Your continued use of the Service after changes to this Privacy Policy constitutes acceptance of the updated policy.

12. Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us through our contact form:

Contact: Contact Form
Subject: Privacy Policy Inquiry

We are committed to resolving any privacy concerns you may have and will respond to your inquiries within 30 days.

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