A-Tuner is a chromatic tuner corresponding to any instruments and boasting the highest level of accuracy among many similar applications.

Precise tuning in increments of 0.1 cents is possible with the strobe tuner like display.
It also has high precision pitch pipe (tuning fork) function which is convenient for training with tuning with ears.

We are planning to improve performance and expand functions in the future. Enjoy!

In addition to the features of the free edition (A-Tuner Lite) the following features are included.
・Transposition
・Note name notations (English German Dutch French Italian)
・Pitch selection mode (automatic / manual)
・Simple metronome
・Classical temperaments
　- Pythagorean temperament
　- 1/4 comma meantone
　- Pure intonation (major / minor)
　- Werckmeister III / IV / Ⅴ
　- Young Ⅰ / Ⅱ
　- Kirnberger I / II / III
　- Vallotti
　- Kellner