Apps Like Classical Guitar Tuner Basic for iPhone and iPad
Tune with precise frequency display
Tune with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork and advanced settings via in- purchase. LED indicator lights up tuned strings automatically. Supports standard and drop D tunings.
by Pedro Daniel Macalupu Cumpen★ 4.5411 ratingsMusicFreeData updated 2026-09-11
Tune PI/PID controllers using experimental data. Analyze process loop data to determine optimal controller settings. Adjust proportional, integral, and derivative parameters. Export tuning results for use in industrial systems.
The app displays the spectrum of voice input from the device's microphone in real time. The horizontal axis shows a music scale, with the display range adjustable via pinch zoom.