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 South Korea App Store and updated every day. 8 of these 50 apps are newcomers since the previous update; 꾸그 made the biggest jump, climbing from #28 to #15; Duolingo: Language & Chess holds a steady position at #1, where it has charted for 79 days.