The Top Paid chart ranks apps by paid download volume, highlighting the apps users are willing to pay for upfront. These rankings are sourced directly from the Australia App Store and updated every day. 4 of these 50 apps are newcomers since the previous update; BA II Plus™ Financial Calc made the biggest jump, climbing from #33 to #5; HP 12c Financial Calculator holds a steady position at #1, where it has charted for 35 days.