In September, the controversial Neon app soared to the top five of app download charts by promising to pay users for recording and sharing their phone calls. Then it abruptly went offline. It has now quietly returned to the iOS App Store and the…

In September, the controversial Neon app soared to the top five of app download charts by promising to pay users for recording and sharing their phone calls. Then it abruptly went offline. It has now quietly returned to the iOS App Store and the…