Fretboard Learner - Privacy Policy

Information We Collect

When you use Fretboard Learner, we collect the following information:

Account Information:

• Your email address, which we collect during signup and store solely for authentication purposes

Gameplay Data:

• String number and fret number for each round played
• Your score for each round (calculated based on response time and accuracy)
• Timestamp of when rounds are played

What We Do Not Do

We do not:

• Sell, rent, or share your personal information with third parties
• Use your email address for marketing purposes
• Add you to mailing lists without your explicit consent
• Send unsolicited promotional emails
• Share your individual gameplay data with other users or external parties
• Use your data for any purpose other than those stated in this policy

How We Use Your Information

Email Address:

We use your email address exclusively to:

• Authenticate your account and enable secure login
• Allow you to recover your account if needed
• Send essential account-related notifications (if applicable)

Gameplay Data:

We use your gameplay data to:

• Track your progress and performance over time
• Train a machine learning model to predict scores based on fret and string positions
• Provide you with personalized insights into your fretboard learning journey
• Improve the overall user experience of the app

Data Storage and Security

All data is stored securely using Supabase's PostgreSQL database infrastructure. Your information is:

• Encrypted in transit using industry-standard SSL/TLS protocols
• Encrypted at rest in our secure database
• Only accessible to authorized systems and personnel necessary for app functionality

Machine Learning

Your gameplay data (string number, fret number, and scores) will be used to train our machine learning model in order to help you track your performance and tailor the game play to you. All machine learning processes use anonymized data and cannot identify individual users.

Your Rights

You have the right to:

• Request deletion of your account and all associated data at any time
• Request information about what data we have stored about you
• Access your gameplay history and statistics
• Discontinue use of the app at any time

To exercise any of these rights, please contact us at [email protected].

Data Retention

We retain your data for as long as your account is active. If you delete your account, we will remove your email address and gameplay data from our systems.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be reflected with an updated "Effective Date" at the top of this policy.

Contact Us

If you have questions or concerns about this privacy policy or how we handle your data, please contact us at [email protected].

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Last updated: January 22, 2026