Features
- Works with built‑in and external microphones (please restart the app after switching).
- Adjustable FFT size from 256 up to 16,384 points.
- Customizable spectrogram colors.
Tips
- Pinch to zoom the frequency window.
- Drag with one finger to show a marker and read Hz/dB.
- Two‑finger drag to pan the frequency window.
- Two‑finger double‑tap to clear the marker.
- Adjust spectrogram brightness via “Gamma” in Spectrogram Colors.
- MintFFT shows digital level (dBFS). Actual sound pressure may vary by device.
Privacy & Support
Privacy policy. MintFFT does not collect, store, or transmit any personal data. Audio is processed entirely on-device for visualization only. No analytics, tracking, or advertisements are included.
Support. For questions or bug reports, please email [email protected].