Category | Price | Seller | Device |
---|---|---|---|
Music | Free | Igor Wolfango Schiaroli | iPhone, iPad, iPod |
This application has a tuner too, and "listen" the sound of a natural A note. The device tool shows the exact Hertz frequency.
Inside you can find an interesting e-book learning curiosities and history of the tuning fork.
Des Enfants Tuning Fork has original graphics.