Lumisound vs SpectralScan Audio Analyzer dB

Lumisound turns audio into a real-time spectrogram. The same kind of visual frequency analysis used in professional audio software, now in your pocket. Use it for anything. A car engine, musical instrument, room sound, and watch the frequencies unfold in real time, colour-mapped from silence to full scale. Features: Real-time spectrogram with colour mapping Full 20Hz–20kHz frequency range Peak frequency detection with dBFS readout Export full session spectrograms as high-resolution images Audio file analysis Frequency checker Clean, minimal interface File playback Frequency generator with multiple wave shapes Decibel meter with exportable trace graph Input mic selection And all of this? Free, forever. No ads, subscriptions, or in-app purchases.

SpectralScan turns your phone into a professional audio analysis tool. Real-Time Analyzer (RTA) Visualize your acoustic environment live with a high-resolution frequency spectrum. Adjust smoothing, peak hold, and frequency range on the fly. Sine Sweep Measurements Run a precision sine sweep and capture the full frequency response and impulse response of any speaker, room, or audio system. Spectrogram Watch frequency content evolve over time with a scrolling waterfall display. Compare & Export Save multiple measurements, overlay them for comparison, and export as CSV or PNG. Pro features: multiple sweep measurements, fine octave smoothing, peak frequency display, and additional color themes and more coming.