Audiomerics Analyser Lite

Musical Audio Analyser for your mobile phone - visualize frequency spectrum, measure frequency, identify notes and and display VU-level - in real time and high resolution

Audiomerics Analyser Lite is a special adapted version of the professional Audiomerics Analyser for smaller screens of mobile phones - limited to 2 input channels. It contains a Spectroscope showing FFT-spectrum over time in high resolution due to re-assignment algorithm, a filter bank-based Spectral Analyser, a Vector Audioscope, frequency measurement and VU-Meter. The App analysis the signal from the iPhone's microphone. An USB audio interface connected to the phone can also be used (limited to 2 channels).

On IOS devices there is no way to analyze playback signals, so the app is limited to said signals from microphone(s) or USB audio interface. With certain interfaces (e.g. RME Audio) you can setup a loopback function to mirror playback-signals.