Voices

App Watch: A Matchmaker in a Sea of Apps

One of the frequently heard complaints about iPhone applications is that with more than 85,000 options, finding good ones can be tricky and time-consuming. Could the answer be yet another app? Envio Networks on Tuesday is launching Chorus, a free app that shows users the ones their friends are trying out and suggests ones that might interest them. The Andover, Mass.-based company, which has received funding from Matrix Partners and North Bridge Venture Partners, specializes in social-networking technology and saw the Apple device as a good showcase for what it can do.