The Top Free chart ranks apps by download volume, showing which free apps are attracting the most new users right now. These rankings are sourced directly from the Japan App Store and updated every day. 4 of these 50 apps are newcomers since the previous update; Google Health (Fitbit) made the biggest jump, climbing from #47 to #34; Pep Up - 健康年齢・医療費がわかる健康管理アプリ holds a steady position at #1, where it has charted for 129 days.