Boingo Wireless has updated its iPhone, iPad, and iPod touch “WiFi Finder” application with the ability to sign up for WiFi hotspot subscriptions with iTunes credentials. Boingo has over 600,000 WiFi hotspots worldwide, and I typically see Boingo hotspots at airports across the country. Being able to sign up via an iTunes-based subcription will make using a Boingo hotspot easier than ever, so even though Boingo is seemingly giving up a 30% cut to Apple for these new subscriptions, their user base will probably grow due to the easier sign up process. The plan via iTunes is $7.99 per month. As it has always done, the WiFi Finder app features a data tracker and a VPN service. The app is available for free on the App Store.