♪ Strophicus

Privacy Policy

Last updated: December 11, 2025

1. Introduction

Strophicus ("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 piano training software application ("Strophicus" or the "Application").

By using Strophicus, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

  • Account Information: When you purchase a PRO license, we collect your email address and payment information (processed securely by Stripe).
  • License Keys: We store license keys associated with your purchase for activation purposes.
  • Support Requests: If you contact us for support, we may collect your email address and the content of your communications.

2.2 Automatically Collected Information

  • Machine Identifier: A locally-generated, anonymous identifier used solely for license activation and to prevent abuse.
  • Usage Data: Basic usage statistics such as MIDI import count (stored locally on your device).

2.3 Information We Do NOT Collect

  • We do not collect your MIDI files or musical compositions.
  • We do not record your playing or practice sessions.
  • We do not track your location.
  • We do not sell or share your personal data with third parties for advertising.

3. How We Use Your Information

We use the collected information to:

  • Process and fulfill your PRO license purchase
  • Activate and validate your license key
  • Provide customer support
  • Improve and optimize the Application
  • Communicate important updates about the Application

4. Data Storage and Security

Local Storage: Most of your settings, preferences, and practice data are stored locally on your computer and are never transmitted to our servers.

Server Storage: License keys and associated email addresses are stored securely on our servers hosted by Cloudflare Workers.

Payment Processing: All payment transactions are processed by Stripe, a PCI-compliant payment processor. We never store your full credit card information.

5. Third-Party Services

We use the following third-party services:

6. Your Rights

Depending on your location, you may have the following rights:

  • Access: Request a copy of the personal data we hold about you.
  • Correction: Request correction of inaccurate personal data.
  • Deletion: Request deletion of your personal data.
  • Data Portability: Request transfer of your data to another service.

To exercise these rights, please contact us at support@strophicus.com.

7. Children's Privacy

Strophicus is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.

8. Contact Us

If you have any questions about this Privacy Policy, please contact us: