"I use this app when sound checking, does the job, nice & simple to use, can't fault it." - Colin Challinor Octave RTA is a powerful real-time audio analysis...
    Oscillator is a simple and rough audio generator application which has the following functions. You can use it as a test tone and play it as a strange musical...
    "I use this for analog, and audio measurements. Attach an Apple USB adapter and a $40 stereo A-D converter available online, and my iPad is like a $300 O'Scope."...
    PhonoPaper is: • format of graphical representation of the sound (music, human voice, etc.); in other words, it is the 2D audio barcode (by analogy with the...
    Physics Oscilloscope is a simple, easy to use sound wave grapher. To use, simply play a sound and observe the wave patterns on the screen. To adjust the visible...
    Pitch Analyzer is a tool for analysing sound's absolute pitch. It detects any sounds input from mic,and analyse the sound's frequency, note name, MIDI number,and...
    Play, sing or just make noise! This simple app shows you the spectrum of the voice.
    Pitch to Piano Notes is a pitch detection app that detects the pitch of musical instruments and voice in live audio captured by the microphone. It displays a...
    Pocket RTA Ultra is a highly portable award winning real-time spectrum analyser for the iPhone. Pocket RTA Ultra has many advanced features which are normally...
    The RØDE Soundbooth is an innovative and user friendly application that allows you to listen to various RØDE microphones in a professionally recorded,...
    Ranger is a 31 band audio spectrum analyser complete with a peak band histogram, microphone input level meter, frequency readout and a comprehensive music...
    A Real Time Analyzer for the iPhone, iPad and iPod Touch. Test your speakers, tune your room, do acoustical analysis work or just have a better understanding of...
    ••• Real-time analyzer - RESOLUTION 1/2 Octave ••• This tool gives you the ability to analyze the quality of your audio system in an accurate way...
    Scope Pro is an Oscilloscope that lets you see the sounds around you! Scope Pro takes the audio signals from your built-in microphone and draws them to your...
    SignalSpy is a suite of powerful tools that let you analyze audio signals. Included are an oscilloscope, a spectrum analyzer, level indicator and spectrogram....