MARLVEL

Top Productivity apps in Japan 🇯🇵

AndroidMay 31, 2026· Snapshot dated View all snapshotsMethodology

As of May 31, 2026, ChatGPT is the #1 Productivity app in Japan on Android.

AndroidiOS
Top FreeTop PaidTop Grossing
#App / PublisherIntel
  1. 1
    ChatGPTOpenAI OpCo, LLC
  2. 2
    Google GeminiGoogle
  3. 3
    Claude by AnthropicAnthropic PBC
  4. 4
    PDF Reader - PDF ViewerQR Code Scanner.
  5. 5
    PDF Spark - Reader & EditorApHouseBD
  6. 6
    All Document Center5660 BA, LLC
  7. 7
    QR & Barcode ScannerTeaCapps
  8. 8
    Adobe Acrobat Reader: Edit PDFAdobe
  9. 9
    Grok - AI Chat & VideoX Corp.
  10. 10
    Microsoft ExcelMicrosoft Corporation
  11. 11
    Easy Reader - PDF ViewerRundong Technology
  12. 12
    PDF Reader - PDF EditorEfficient Tools
  13. 131
    Microsoft WordMicrosoft Corporation
  14. 141
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  15. 151
    PDF File PlusNullbyte Labs
  16. 161
    詐欺バスター LiteTrend Micro
  17. 171
    Easy Voice RecorderDigipom Inc.
  18. 181
    Open Chat - AI bot appAceTools Team
  19. 191
    Google NotebookLMGoogle
  20. 207
    Google SheetsGoogle
  21. 21
    PDF Reader PointPDF Fuel
  22. 22
    PDF Reader ZoneP & L Studio
  23. 23
    TimeTree: Shared CalendarTimeTree, Inc.
  24. 241
    PDF Reader, All PDF ViewerOffice Suite Pro
  25. 251
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  26. 261
    Google Keep - Notes and listsGoogle
  27. 271
    Microsoft CopilotMicrosoft Corporation
  28. 281
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  29. 291
    Document Reader & ViewerWdream Limited
  30. 306
    Microsoft OutlookMicrosoft Corporation
  31. 31
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  32. 32
    Link to WindowsMicrosoft Corporation
  33. 33
    Microsoft PowerPointMicrosoft Corporation
  34. 34
    Calendário 2026Shree Radha Damodar
  35. 35
    Forms for Google DocsAurora Innovation
  36. 36
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  37. 37
    Gemmy AI: Chat & AssistantJetkite
  38. 38
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  39. 39
    PDF Reader - Smart ViewerOmareyah Team
  40. 40
    PDF Viewer - PDF ReaderOLOA games
  41. 41
    AI Translate All LanguagesiKame Applications - Begamob Apps
  42. 42
    ClevCalc - CalculatorCleveni Inc.
  43. 431
    Microsoft 365 CopilotMicrosoft Corporation
  44. 441
    PDF Creator ProXingying Tech
  45. 451
    Simple Calendar - easy plannerKomorebi Inc.
  46. 461
    Notta-Transcribe Audio to TextNOTTA PTE. LTD.
  47. 471
    Chatbot App - AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
  48. 481
    PDFReader - View & ManageGift School
  49. 49NEW
    gTasks Pro for Google TasksJulyApps Ltd
  50. 50
    Notion: Notes, Tasks, AINotion Labs, Incorporated

What changed

Movement between the previous day and May 31, 2026.

New entrants

Risers

Fallers

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.

Related rankings

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by the apps, publishers, or platforms referenced. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

See methodologyContact support

Data licensed under CC-BY-NC 4.0