MARLVEL

Top Productivity apps in Japan 🇯🇵

AndroidMay 15, 2026· Snapshot dated View all snapshotsMethodology

As of May 15, 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
    PDF Reader - PDF ViewerQR Code Scanner.
  4. 4
    Claude by AnthropicAnthropic PBC
  5. 5
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  6. 6
    Dola: Smart AI Assistant

    SPRING (SG) PTE. LTD.

  7. 7
    QR & Barcode ScannerTeaCapps
  8. 8
    Adobe Acrobat Reader: Edit PDFAdobe
  9. 9
    Grok - AI Chat & VideoX Corp.
  10. 10
    QR & Barcode ScannerAT Technologyy
  11. 11
    Microsoft ExcelMicrosoft Corporation
  12. 12
    PDF File PlusNullbyte Labs
  13. 13
    Microsoft WordMicrosoft Corporation
  14. 141
    Google SheetsGoogle
  15. 151
    Easy Reader - PDF ViewerRundong Technology
  16. 162
    TimeTree: Shared CalendarTimeTree, Inc.
  17. 17
    PDF Reader - PDF EditorEfficient Tools
  18. 181
    Easy Voice RecorderDigipom Inc.
  19. 191
    Google NotebookLMGoogle
  20. 20
    PDF Reader, Editor & ConverterLopofist Limited
  21. 21
    PDF Reader ZoneP & L Studio
  22. 22
    Microsoft OutlookMicrosoft Corporation
  23. 23
    PDF Reader - All PDF ScannerDev Globeg
  24. 24
    Huxe: AI Radio & PodcastsHuxe AI
  25. 25
    詐欺バスター LiteTrend Micro
  26. 26
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  27. 273
    Document Reader & ViewerWdream Limited
  28. 281
    Google Keep - Notes and listsGoogle
  29. 291
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  30. 301
    Open Chat - AI bot appAceTools Team
  31. 31
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  32. 32
    Okta VerifyOkta, Inc.
  33. 331
    Microsoft CopilotMicrosoft Corporation
  34. 341
    Link to WindowsMicrosoft Corporation
  35. 35
    Microsoft PowerPointMicrosoft Corporation
  36. 36
    Suite for Google DocsUAB Macmanus
  37. 37
    PDF Viewer - PDF ReaderOLOA games
  38. 38
    StellarRecoverySkyFusion Labs
  39. 39
    Chatbot App - AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
  40. 40
    Microsoft 365 CopilotMicrosoft Corporation
  41. 41NEW
    Swift PDF Reader & ConverterApHouseBD
  42. 421
    Document Reader ProPDF Fuel
  43. 431
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  44. 441
    ClevCalc - CalculatorCleveni Inc.
  45. 451
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  46. 46
    AI Chatbot - NovaSCALEUP YAZILIM HIZMETLERI
  47. 47
    PDF Reader - Smart ViewerOmareyah Team
  48. 48
    Simple Calendar - easy plannerKomorebi Inc.
  49. 49
    Calendário 2026Shree Radha Damodar
  50. 505
    gTasks for Google TasksJulyApps Ltd

What changed

Movement between the previous day and May 15, 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