Apple hails the 775,000 apps on its App Store, but a sea of choice can end up being a glut for end users who struggle to choose the mobile service they really need. In the last few years, AppGratis (pronounced 'gra-tese') has stepped in to solve the problem. The free "app discovery" service offers users one free app a day from the App Store, and now has 10 million users, of which 3 million use the app everyday. It also makes more than $1 million a month in sales by taking a cut from in-app purchases after its promotions -- something of a testament to the freemium model and ... Read More