Allow microphone access to tune. Audio stays on this device.
Set Sa with the scale list or adjust it in 1 Hz steps. Hindustani and Carnatic notes are relative to Sa; Western notes use A4 = 440 Hz.
Octaves use the same simple note name without dots. Komal notes are underlined; tivra Ma has a vertical mark. Carnatic shared pitches show both names.
Needle response adjusts smoothing from fast (50 ms) to steady (500 ms). It applies to both display styles, It is not total microphone latency. The green band is ±10 cents. A flatter history line means a steadier note. Note changes keep the last six seconds visible.
To use offline on iPhone, open this page in Safari, tap Share, choose Add to Home Screen, then open it once while online so its app files can be saved. On Android or desktop Chrome, use Install app or Add to Home screen and open it once online. Microphone permission is requested on each device. Your tuning settings stay in that browser.
