Join Soundio & get $10 and make passive income! Soundio is a cool music app that helps you turn your music passion in to results and cash rewards. First we will look at other Soundio competitors and we will end with why Soundio is the best music app for persons that also want to get cash. Research.fm lets you get paid to provide your feedback on the newest songs to radio stations. It’s available on the web, or for your iOS or Android device. Once you sign up, you’ll receive survey invites to your e-mail when they become available. Listen …