MARLVEL

Top Productivity apps in Japan 🇯🇵

AndroidMay 21, 2026· Snapshot dated View all snapshotsMethodology

As of May 21, 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
    ShugibukuroPlus Inc. (Japan)
  4. 4
    Claude by AnthropicAnthropic PBC
  5. 5
    PDF Reader - PDF ViewerQR Code Scanner.
  6. 62
    Grok - AI Chat & VideoX Corp.
  7. 7
    QR & Barcode ScannerTeaCapps
  8. 82
    Dola: Smart AI Assistant

    SPRING (SG) PTE. LTD.

  9. 9
    Adobe Acrobat Reader: Edit PDFAdobe
  10. 102
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  11. 113
    All Document Center5660 BA, LLC
  12. 122
    Easy Voice RecorderDigipom Inc.
  13. 13
    Microsoft ExcelMicrosoft Corporation
  14. 141
    Microsoft WordMicrosoft Corporation
  15. 154
    Easy Reader - PDF ViewerRundong Technology
  16. 164
    Google SheetsGoogle
  17. 171
    Google NotebookLMGoogle
  18. 181
    TimeTree: Shared CalendarTimeTree, Inc.
  19. 196
    詐欺バスター LiteTrend Micro
  20. 201
    PDF Reader - PDF EditorEfficient Tools
  21. 212
    PDF Reader - All PDF ScannerDev Globeg
  22. 22
    Open Chat - AI bot appAceTools Team
  23. 234
    Microsoft CopilotMicrosoft Corporation
  24. 244
    PDF Reader PointPDF Fuel
  25. 251
    Microsoft OutlookMicrosoft Corporation
  26. 26
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  27. 274
    Swift PDF Reader & ConverterApHouseBD
  28. 285
    Google Keep - Notes and listsGoogle
  29. 293
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  30. 303
    PDF Spark - Reader & EditorApHouseBD
  31. 311
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  32. 323
    Link to WindowsMicrosoft Corporation
  33. 333
    Microsoft PowerPointMicrosoft Corporation
  34. 341
    Forms for Google DocsAurora Innovation
  35. 356
    Document Reader & ViewerWdream Limited
  36. 363
    PDF Reader - Smart ViewerOmareyah Team
  37. 375
    HypeCut - AI Video GeneratorXFree Dev Team
  38. 38
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  39. 395
    PDF Viewer - PDF ReaderOLOA games
  40. 403
    PDF Reader ZoneP & L Studio
  41. 415
    Microsoft 365 CopilotMicrosoft Corporation
  42. 422
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  43. 43
    PDF Smooth Reader & EditorCORPS ENSEIGNANT (SARL CORPS ENSEIGNANT)
  44. 44
    PDF Creator ProXingying Tech
  45. 45
    PDFReader - View & ManageGift School
  46. 462
    Calendário 2026Shree Radha Damodar
  47. 474
    Notta-Transcribe Audio to TextNOTTA PTE. LTD.
  48. 481
    ClevCalc - CalculatorCleveni Inc.
  49. 492
    Chatbot App - AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
  50. 50NEW
    gTasks for Google TasksJulyApps Ltd

What changed

Movement between the previous day and May 21, 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.

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Data licensed under CC-BY-NC 4.0