Privacy Policy

ClefMind is an AI‑supported sight‑reading trainer. This policy explains what we collect, how we use it to generate and assess sight‑reading exercises, and how we protect your data.

Data We Collect

• Account and sign‑in information (via Firebase Auth)
• Practice data (generated exercises, timestamps, level, anonymized performance metrics)
• Device and browser information (including approximate location derived from IP) for security and abuse prevention

How We Use Your Data

• To generate and adapt sight‑reading exercises to your instrument, level, and goals
• To improve our sight‑reading engine, engraving quality, and feedback models
• To secure your account, detect abuse, and comply with legal obligations

ClefMind is based in Germany and follows the principles of the EU General Data Protection Regulation (GDPR). We do not sell your data. You can request access or deletion of your data at any time by contacting us.