Top Productivity apps in Japan 🇯🇵
As of May 27, 2026, ChatGPT is the #1 Productivity app in Japan on iOS.
iOSAndroid
#App / PublisherCategoryIntel
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仕事効率化 - 9
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仕事効率化 - 353
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Productividad - 43
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仕事効率化 - 453
バイトルトーク：バイトコミュニケーションアプリの新常識！ディップ株式会社
仕事効率化 - 469
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What changed
Movement between the previous day and May 27, 2026.
New entrants
Risers
- Chatbot App - AI Assistant
#63 → #39
Microsoft SharePoint#96 → #78
Chat Smith: AI Chatbot & Agent#76 → #64
Box: The power of Content + AI#84 → #73
ChatOn AI - Chat Bot Assistant#68 → #59
Fallers
PDF Converter - OCR Reader#46 → #62
- FocusFlight - Deepfocus Timer
#16 → #28
Shugibukuro#69 → #80
- Goodnotes: AI Notes, Docs, PDF
#37 → #46
あと何日 カウントダウン&カウントアップタイマー#65 → #74
Methodology
Rankings are pulled daily from the iOS 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.
Frequently asked questions
What is the #1 Productivity app in Japan on iOS?
As of May 27, 2026, ChatGPT is the #1 Productivity app in Japan on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS charts for Japan every day and computes day-over-day movement. The "Current" page always reflects the latest snapshot; dated archive pages preserve each day's top 50.
Where does Marlvel's ranking data come from?
Rankings are pulled from the public iOS store charts for Japan. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.