I just fired up the Vendetta app to test on my iPhone 7, and the volume level is way to low even with the phone volume cranked all the way up. I checked the settings in options -> audio and they were maxed.

So far, that's all I have. Just did the basic intro flight.

Thanks. The iPhone version being tested didn't properly define which speakers to use. It'll be fixed in the next TestFlight update.

The TestFlight update I got yesterday fixed the sound issue. Thanks Ray!