Synth One just launched. It’s a new synth app for the iPad, but it’s also a big deal. Why? Because it is free, open-source, and built by volunteer musicians and programmers. Stay with me here. Synth ...

All told, there are over ten “studio-quality” effects and you can stack them for unique sound design options, via three modulation slots. The dual-filter design and three-oscillator sound engine ...