Privacy & Confidentiality

Cube-16 is a unique and innovative concept for representing the 4x4 cube, created as a 2D cross. This concept was invented by Mr. Claude Gonneville, and his work is protected by copyright. The mobile application was developed in partnership with Groupe informatique Momentum inc. (Quebec, Canada).

This policy explains what data is collected, how it is used, and what rights users have.

2.1 Technical and Usage Data

Cube-16 collects technical data to improve stability:

• Device model, Android version, language, country
• App version, internal state
• Anonymous usage data

Collected via Firebase Analytics.

2.2 Crash Data

If the app crashes:

• Error trace
• Application state
• Technical device information

On Android and iOS, crash data is collected via Firebase Crashlytics. On Windows, crash and error diagnostics may be transmitted to and stored on Sentry servers.

2.3 Local Files (JSONL)

Cube-16 may generate local JSONL files:

• Stored only on the device
• Not automatically transmitted
• Deletable by the user
• May be disabled in future versions

• Improve stability
• Understand usage patterns
• Fix errors
• Ensure Android compatibility

No selling or commercial sharing.

Shared only with:

• Firebase Analytics
• Firebase Crashlytics (Android/iOS)
• Sentry (Windows)

• Crash and analytics data may be stored on Google's secure servers (Firebase) and on Sentry's secure servers, depending on platform
• JSONL files remain on the device
• No personally identifiable data collected
• Encrypted communication (HTTPS/TLS)

• Uninstall the app
• Delete JSONL files
• Request information
• Request deletion of device-associated data

Developer: François Boucher

Email: cube-16@groupemomentum.ca

Location: Québec, Canada

Author: Claude Gonneville

Email: cube-16@groupemomentum.ca

Location: Québec, Canada

This policy may be updated at any time.