Apps Like Sound Level & Spectrogram for iPhone and iPad
Measure levels and view spectrograms
Measure levels in decibels with real-time updates. View visuals to analyze frequency characteristics. Select frequency or time weighting corrections. Export data for review.
by TOON,LLC★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
3 is a multi-channel signal analyzer and data acquisition tool. It allows users to capture, analyze, and visualize audio and vibration signals. Features include real-time spectrum analysis, waveform display, and export of data in various formats.
The app receives sound from a guitar via the microphone. It indicates if a guitar string is in tune by moving a marker to the corresponding string on the screen.