This app is a speaker polarity tester. Find out if your speakers are wired correctly (in phase or out of phase). Test your surround speakers, stereo speakers, PA...
    This application shows the frequency of your voice. When you hit the piano keyboard, you will hear the sound of the keyboard, so you can check the height of your...
    Spectrum Analyzer is a precise sound level meter with multichannel harmonic analysis and detailed graphical representation. Spectrum Analyzer FEATURES: - sound...
    A 12th-octave musical-pitch-centered spectrum viewer for iPad See all the frequency harmonics from the real-time microphone input. Spectrum is displayed...
    "Audio Frequency Analyzer" is a powerful Real-Time Audio Analyzer (RTA) app for iPhone. This app can measure the frequency response in 30 split band scale of...
    AudioTools is a suite of professional-grade audio and acoustic analysis apps. Included in the price of this app is a great collection of professional tools SPL,...
    "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...
    "I use this app to detect sound feedback problems on live show and it became helpful and practic." FFT Plot is a powerful real-time audio analysis app....
    "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."...
    This App is a powerful test tone generator. Yet it is extremely simple to use. No other audio generator App is as complete as this one whatever its price ! You...
    A high-quality audio Signal Generator for the iPhone. Now you can have a professional grade signal generator for your iPhone. Create sine waves, square waves,...
    ••• 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...
    Singscope is a tool for checking the pitch of your singing. It analyzes the singing voice and shows the pitch in the music scale (C, D, E, F, G, A, B) as...
    "Great job with this one guys, I'm a DJ and I run this app in my booth, the chicks dig it." - VegasMC LED Audio Spectrum uses your iPhone or iPad microphone...
    Sonance - A music player with a spectral visualizer. Sonance plays music that is on your device, and displays both waveform and audio spectrum visualizations....