smartChord Tone Generator is an easy to use and exact audio signal generator with the frequency range from 0.01 Hz to 19,999.99 Hz. It supports different wave forms (sine, square, triangle, sawtooth). ‘smartChord PLUS Tone Generator’ allows you to store different frequency settings for any of your exercises or tests and gives you the opportunity to switch between them. Use it to tune your instruments generate exact references tones test your hearing, the bandwidth of your headphones and speakers or other audio or studios equipment. ======== PLEASE NOTE ======== ‘smartChords PLUS Tone Generator’ is a plugin for the app 'smartChords & Tools' (V3.1 or later). It can't run alone! You need to install 'smart Chords & Tools' from the Google Play store: https://play.google.com/store/apps/details?id=de.smartchord.droid =============================