Adjust audio frequency response with a wide range of tonal adjustments. Apply classic British settings. Customize sound through flexible equalization controls. Access demo version with limited free play time.
by RRS, OOO★ 4.822 ratingsMusicFreeData updated 2026-09-21
Analyzes audio using Fast Fourier Transform to display amplitude vs. frequency graphs. Displays detailed spectral analysis in octaves. Supports iOS microphone or external microphones for accurate measurements.
Play with a simulated synth that detunes as battery depletes. Access a free songbook for classic and modern melodies. Learn to play through step-by-step instructions and additional song downloads.