What are the fastest rising free apps in the marketplace this week? Mobilewalla today releases the fastest rising apps of the week which show the greatest amount of growth on the Mobilewalla scale from 0 to 100. The scoring shows app growth and popularity over the last 7 days. Mobilewalla’s search and discovery engine ranks and rates every app on the market, in real time. With its new groundbreaking technology, Mobilewalla brings a uniform, independent ratings system to the mobile app universe.