The Top Grossing chart ranks apps by total revenue — combining paid downloads and in-app purchases — making it the best measure of which apps are actually making money. These rankings are sourced directly from the Australia Google Play and updated every day. 6 of these 50 apps are newcomers since the previous update; Epic: Kids' Books & Reading made the biggest jump, climbing from #29 to #26; Duolingo: Language Lessons holds a steady position at #1, where it has charted for 71 days.