Handy iPhone App for Live Sound

AudioTools from Studio Six Digital is a handy suite of audio and acoustic analysis apps useful for both professionals and curious amateurs alike. The suite comes with a base number of modules, with additional ones available optionally. Included in the "base" version:

• SPL Meter
• Real time 1/3 and octave analyzer
• Sine/square/noise Generator
• Line Level Tests
• Audio Oscilloscope
• A mono/stereo audio recorder
• File transfer of results to Mac or PC
• Audio Calculators

Optional modules include:
• FFT Analyzer
• Energy Time Curve
• Impulse Response
• SPL Pro
• SPL Traffic Light
• Speaker Polarity Checker
• Speaker Distortion Measurement
• And more