The Top Paid chart ranks apps by paid download volume, highlighting the apps users are willing to pay for upfront. The United States is the world's largest app market, and these rankings are closely watched as an early signal of global trends. 13 of these 50 apps are newcomers since the previous update; NOAA Radar US made the biggest jump, climbing from #49 to #19; RadarScope holds a steady position at #2, where it has charted for 126 days.
