Visualize the frequency content of your live audio environment with a dynamic waterfall spectrogram. Analyze sound systems, create audio fingerprints of environmental sounds, and save spectrograms with custom captions. Capture audio in the background for simultaneous recording and photography.
2.12
June 15, 2026
Version 2.12 Improved Performance Increased Frequency Resolution FFT Window Function Frequency Scale Peak Limiter Low Frequency Cut
MoreThank you for your feedback. There is an update available with several improvements including frequency scales, improved frequency resolution, alternative noise reduction mode (LF cut) and other improvements.
Audio Spectrum Viewer displays the frequency content of your live audio environment in a waterfall spectrogram. It can be used to analyze sound systems and create audio fingerprints of environmental sounds.
Yes, Audio Spectrum Viewer allows for background audio capture. This enables users to simultaneously take photos of birds while analyzing their sounds.
Audio Spectrum Viewer is a paid app, priced at $0.99. There are no in-app purchases or advertisements.
Audio Spectrum Viewer is supported on iPhone and iPod devices. It is rated for ages 4 and up.
Yes, spectrograms can be saved to your camera roll with a timestamped and customizable caption. Audio clips can also be saved for later playback.
Audio Spectrum Viewer was last updated on July 27, 2020, with version 1.0. The initial release date was also July 27, 2020.
No, Audio Spectrum Viewer is ad-free. The app is a one-time purchase with no advertisements or in-app purchases.
Audio Spectrum Viewer is a powerful tool that allows for user-selectable gain, sample rate, and other parameters. These can be optimized for a particular setting.
