Top Productivity apps in Japan 🇯🇵
As of June 6, 2026, ChatGPT is the #1 Productivity app in Japan on Android.
AndroidiOS
#App / PublisherCategoryIntel
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What changed
Movement between the previous day and June 6, 2026.
New entrants

- Alarm clock
#198
Risers
- Phone Clean Tools
#155 → #117
Wave AI Note Taker & Recorder#171 → #146
- PDF File Notes
#132 → #110
- 楽天ウェブ検索 - 検索でポイントが貯まるポイ活ブラウザ
#139 → #122
Summary - AI Note Taker#169 → #154
Fallers
- PDF Reader Lite - PDF Viewer
#119 → #149
- Rbx Clothes Maker: Skin Editor
#166 → #186
- QR Scanner & Barcode Scanner
#149 → #163
- PDF Viewer: Read, Scan & Edit
#156 → #170
- All Document Hub
#73 → #86
Methodology
Rankings are pulled daily from the Android store charts for Japan. We snapshot the top entries each day and compute day-over-day change relative to the prior snapshot. See our full methodology for data sources, refresh cadences, and quality filters.