Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
A quick hotfix for some issues: Fixed rare crashes when switching microphones. Fixed microphone selection UI to show Bluetooth microphones. Optimised themes for quicker application and more support app-wide. Reduced energy consumption across the app as a whole. Smoothed FFT for more stable recording FPS. Switching themes quickly no longer causes temporary app lag. Refined app description. Added new animation for first time users when booting app.
About
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.
What's new · 1.5
A quick hotfix for some issues: Fixed rare crashes when switching microphones. Fixed microphone selection UI to show Bluetooth microphones. Optimised themes for quicker application and more support app-wide. Reduced energy consumption across the app as a whole. Smoothed FFT for more stable recording FPS. Switching themes quickly no longer causes temporary app lag. Refined app description. Added new animation for first time users when booting app.
Details