Sound Loupe

See the sounds around you. A real-time spectrogram that helps you pinpoint that mysterious hum, whine, or buzz — fully offline.

Sound Loupe helps you identify annoying or puzzling sounds around you. Watch a real-time scrolling spectrogram, and zoom into specific frequency ranges to pinpoint what you're hearing.

All audio processing happens on-device — no recordings or data ever leave your phone.

FEATURES

• Real-time scrolling spectrogram visualization
• Sound Zoom lets you listen to only specific sounds.
• Pinch-to-zoom into any frequency range for finer detail
• Age compensation for those with decreased hearing range.
• Fully offline and private by design

PRIVACY No analytics. No tracking. No server-side processing. Everything stays on your device.