Your data stays on your device. Always.
Last updated: July 2026
No personal data collected. MarCoreo does not collect, store, or transmit any personal information.
No account required. You never need to create an account or sign in.
Works offline. All data is stored locally on your device only.
No third-party tracking. We do not use analytics, advertising SDKs, or tracking tools.
MarCoreo does not collect any of the following: names, email addresses, phone numbers, location data, device identifiers, usage analytics, crash reports sent to our servers, payment information, or any other personal data. Your choreographies, formations, dancer names, and notes are saved exclusively on your device and are never transmitted to us or any third party.
All app data — including choreographies, formations, dancer configurations, music file references, notes, and settings — is stored locally on your device using the device's built-in storage. This data is under your full control. Deleting the app removes all associated data.
MarCoreo may request the following device permissions:
Files / Media: To import music files from your device for synchronization with choreographies. Files are read locally and never uploaded.
Share / Export: To export choreographies as video, images, or JSON files to share with your team via your device's native sharing system.
MarCoreo does not integrate with any third-party analytics, advertising, or data collection services. No SDKs that collect user data are included in the app.
MarCoreo does not knowingly collect any information from children under 13. Since we collect no personal data from any user, the app is safe for all ages.
If we ever change our privacy practices, this page will be updated with the new effective date. We encourage you to review this page periodically.