Diapason chromatique

Chromatic tuning fork provides the perfect pitch for choirs, courtesy of the Les Nioches association.

Designed for choir members, conductors, and all singers, it provides the correct pitch instantly, anywhere, without any equipment or connection.

WHAT MAKES IT UNIQUE

6 temperaments to choose from: Equal, Pythagorean, Just, Meotonic, Werckmeister III, and Kirnberger III. Sing and tune your sections in the temperament that suits your repertoire, from early polyphony to contemporary music.

Adjustable temperament center: Choose the reference note around which the temperament is organized to perfectly match the key of your piece.

4 tuning forks: 415, 432, 440, and 442 Hz, plus a Free mode to set the frequency of your choice.

SIMPLE AND INSTANT

A clear interface, a sustained note with a single tap, no ads, no registration, no data collection. The app works entirely on your device.

FOR WHOM

Choirs and vocal ensembles, choir directors, singing teachers, amateur and experienced singers, and anyone looking for an accurate pitch guide.

Diapason Chromatique is offered free of charge by the association Les Nioches, which supports choirs and vocal practice.