Privacy Policy
Effective: February 6, 2026
Etude ("we", "our", or "the app") is a music practice application. We are committed to protecting your privacy. This policy explains how Etude handles your information.
1. Data We Collect
Etude is designed to work entirely offline. No account registration is required to use the app.
We do not collect any personal data.
2. Local Storage
Etude stores your preferences and settings locally on your device using standard system storage (UserDefaults / AsyncStorage). This data never leaves your device and includes:
- App settings (theme, playback preferences, layout options)
- Score metadata (titles, last opened dates)
- In-app purchase status
3. Music Files
Music files you import (MusicXML, MSCZ, MIDI, MP3, WAV) are stored locally on your device. We do not access, upload, or share your music files.
4. Network Communication
Etude may connect to the internet only for the following purposes:
- SoundFont downloads: Downloading instrument sound data from a CDN for MIDI playback
- In-app purchases: Processing purchases through Apple's App Store
No personal data is transmitted during these connections.
5. Third-Party Services
We do not use any third-party analytics, advertising, or tracking services. We do not integrate any SDKs that collect user data.
6. Children's Privacy
Etude does not collect personal information from anyone, including children under 13.
7. Changes to This Policy
We may update this privacy policy from time to time. Any changes will be posted on this page with an updated effective date.
8. Contact Us
If you have questions about this privacy policy, please contact us at: wall.ao.dev@gmail.com