SignalScope turns your iPhone into a powerful real-time spectrum analyzer
and oscilloscope. Easily measure audible frequencies in SignalScope’s Spectrum tab.
Capture a balloon pop with single-shot triggering in the Waveform tab.
“Touch” your data with highly interactive, multi-touch enabled analyzer displays.
Due to popular demand,
SoundMeter
has arrived to turn your iPhone into a handheld sound level meter (SLM).
The iPhone’s built-in and headset microphones exhibit a remarkably flat frequency
response, making them suitable for basic sound level measurements.
Got pink noise? SignalSuite adds precision signal generator capabilities to
your iPhone or iPod touch. SignalSuite’s three advanced, audio-band signal
generators produce various types of periodic signals, broadband noise, and
frequency sweeps.