Useless
This app might be useful for annoying a cat or dog with a persistent low or high pitched tone, but it is absolutely USELESS to me! I wanted an app that would display the corresponding waves for each note/frequency. Instead, this dumb app displays the SAME EXACT IMAGE of a sine curve, no matter what note is played! I want my money back!
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Stupid app
It only plays one note and the so called sin graph it put up is just for show in the pictures. I needed something that could adjust the graph, but the graph stayed the same no matter what note was played. Ridiculous! Not worth 2 dollars, I want my money back now, this was a complete rip off, would give it 0 stars if I could.
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Can only play one note at a time
I was hoping to experiment with tuning systems, but no can do with just one note
