Displays sound waveforms and spectra using Fourier transform. Identifies frequency characteristics and detects peaks. Supports pinch zoom gestures for detailed analysis. Assists in sound adjustment and howling prevention.
by Eisaku Nozu★ 4.316 ratingsUtilitiesFreeData updated 2026-09-10
The app uses a Bluetooth pickup system for precise guitar tuning. It offers multiple tuning modes and a sensitivity of 0.1 cent, providing clear sound reception even with background noise.
Measure colors in XYZ and Lab color spaces from any photo area. Calculate distance between two colors in Lab. Adjust chromaticity values to match iPhone4 camera characteristics. Supports calibration using color checkers.