Top Productivity apps in Japan 🇯🇵
As of May 28, 2026, ChatGPT is the #1 Productivity app in Japan on iOS.
iOSAndroid
#App / PublisherCategoryIntel
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- 4
- 5
- 6
- 74
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- 9
- 10
- 111
- 124
仕事効率化 - 13
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- 162
- 171
- 181
- 19
- 201
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- 223
- 23
- 242
- 251
仕事効率化 - 261
- 272
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仕事効率化 - 32
- 337
- 342
- 3513
仕事効率化 - 361
仕事効率化 - 374
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- 4012
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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 - 424
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- 454
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仕事効率化 - 483
仕事効率化 - 497
Productividad - 50
What changed
Movement between the previous day and May 28, 2026.
New entrants
TASKUMO#61
Runable AI#63
Risers
蔵衛門カメラ－電子黒板が使える工事写真アプリ#84 → #67
- Microsoft OneNote
#47 → #38
- Translator GO: AI Translate
#52 → #44
- 調整さん
#55 → #47
マネーフォワード クラウド経費#72 → #64
Fallers
Focus Traveller - Flow Timer#69 → #91
TeraBox: 1TB Cloud & AI Space#35 → #56
PDF Converter - OCR Reader#62 → #80
- Taska: やることリスト&プランナー
#22 → #35
- FocusFlight - Deepfocus Timer
#28 → #40
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 28, 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.