Privacy Policy for ToneFlux

Last updated: May 1, 2026

This Privacy Policy explains how ToneFlux (also referred to as MusicSpeed, package name com.herman.toneflux) handles your information when you use the Android app.

1. Information We Process

The app is designed to work mainly with local audio files on your device.

Local media metadata on your device: song title, album, artist, duration, and file URI needed to list and play your local audio.
App settings and project data: playback settings (such as tempo, pitch, loop markers) and saved projects, stored locally on your device.
Analytics data (if enabled): the app includes Firebase Analytics, which may process app usage and device/app information in aggregated form to help improve performance and features.

2. Data We Do Not Collect

No account registration is required.
We do not collect your contacts, SMS, call logs, or precise location.
We do not sell your personal data.

3. Permissions We Request

READ_MEDIA_AUDIO (Android 13+), or legacy storage read permission on older Android versions: used only to browse and play local audio files.
POST_NOTIFICATIONS (Android 13+): used to show playback notifications and media controls.
FOREGROUND_SERVICE / FOREGROUND_SERVICE_MEDIA_PLAYBACK / WAKE_LOCK: used for stable background audio playback.

4. How Data Is Used

To provide core features such as audio playback, speed/pitch control, loops, markers, and project restore.
To maintain app functionality and improve reliability.
To analyze general product usage trends (via analytics) and improve user experience.

5. Data Sharing

We do not share your local audio files with third parties. If analytics is active, analytics-related data may be processed by Google Firebase according to Google's policies.

6. Data Retention and Deletion

Local settings and project data remain on your device until you delete them or uninstall the app.
Analytics data retention is managed by Firebase/Google according to their platform rules.

7. Children

The app is not directed to children under 13. If you believe a child has provided personal data, contact us and we will take reasonable steps to address the issue.

8. Security

We apply reasonable measures to protect information processed by the app. However, no system can guarantee absolute security.

9. International Access

This policy is intended to be publicly accessible worldwide through a standard web page link.

10. Changes to This Policy

We may update this Privacy Policy from time to time. The updated version will be posted at the same URL with a revised "Last updated" date.

11. Contact Us

For privacy questions, contact: REPLACE_WITH_YOUR_CONTACT_EMAIL

Important for Google Play submission: Publish this HTML page at a public HTTPS URL (for example on GitHub Pages, Firebase Hosting, or your website domain), and put that exact URL into the Privacy Policy field in Play Console.

Third-party service reference: Firebase Analytics by Google.