Last Updated: December 2025

REF-440 is committed to protecting your privacy. This policy explains how we handle information.

Information We Collect

REF-440 does not collect, store, or transmit any personal information.

Microphone Access

The app requires microphone access solely for real-time pitch detection. Audio is processed entirely on your device.

We do not:

• Record audio
• Store audio data
• Transmit audio to any server
• Share audio with third parties

Data Storage

All settings and preferences are stored locally on your device using standard iOS storage mechanisms:

• UserDefaults for app preferences
• App Groups for widget communication (device-local only)

Analytics