The pro version does not unlock anything really special
I purchased Pro thinking that I could use a Bluetooth speaker and the microphone input from my headphones.... at the same time! This would be really awesome because I want to find a way to make it easier for my students to hear me in class in case we have to wear masks or shields during lessons. Unfortunately this is not yet possible but I seriously recommend that the developers work on it! •••• Update: the second time I opened this app, it worked the way I wanted it to. I can walk around with a mask on and my voice is loud and clear through my Bluetooth speaker!