MARLVEL

Top Productivity apps in Japan 🇯🇵

AndroidMay 18, 2026· Snapshot dated View all snapshotsMethodology

As of May 18, 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
    Dola: Smart AI Assistant

    SPRING (SG) PTE. LTD.

  6. 6
    QR & Barcode ScannerTeaCapps
  7. 7
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  8. 8
    Adobe Acrobat Reader: Edit PDFAdobe
  9. 9
    Grok - AI Chat & VideoX Corp.
  10. 102
    Easy Voice RecorderDigipom Inc.
  11. 118
    Easy Reader - PDF ViewerRundong Technology
  12. 122
    PDF Reader - All PDF ScannerDev Globeg
  13. 132
    Microsoft ExcelMicrosoft Corporation
  14. 141
    PDF File PlusNullbyte Labs
  15. 151
    Google NotebookLMGoogle
  16. 162
    Microsoft WordMicrosoft Corporation
  17. 171
    PDF Reader - PDF EditorEfficient Tools
  18. 182
    TimeTree: Shared CalendarTimeTree, Inc.
  19. 192
    Google SheetsGoogle
  20. 207
    Okta VerifyOkta, Inc.
  21. 212
    Google Keep - Notes and listsGoogle
  22. 221
    詐欺バスター LiteTrend Micro
  23. 232
    Open Chat - AI bot appAceTools Team
  24. 242
    PDF Viewer - PDF ReaderOLOA games
  25. 257
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  26. 267
    Link to WindowsMicrosoft Corporation
  27. 275
    Microsoft OutlookMicrosoft Corporation
  28. 286
    Microsoft CopilotMicrosoft Corporation
  29. 292
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  30. 301
    HypeCut - AI Video GeneratorXFree Dev Team
  31. 317
    PDF Reader ZoneP & L Studio
  32. 329
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  33. 334
    Chatbot App - AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
  34. 342
    Suite for Google DocsUAB Macmanus
  35. 354
    Swift PDF Reader & ConverterApHouseBD
  36. 366
    PDF Reader - Smart ViewerOmareyah Team
  37. 379
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  38. 388
    QR & Barcode ScannerAT Technologyy
  39. 396
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  40. 406
    PDFReader - View & ManageGift School
  41. 411
    Document Reader & ViewerWdream Limited
  42. 4210
    PDF Reader PointPDF Fuel
  43. 4319
    PDF Smooth Reader & EditorCORPS ENSEIGNANT (SARL CORPS ENSEIGNANT)
  44. 4413
    All Document HubDream Tools
  45. 452
    ClevCalc - CalculatorCleveni Inc.
  46. 468
    Microsoft PowerPointMicrosoft Corporation
  47. 4722
    PDF Spark - Reader & EditorApHouseBD
  48. 4823
    All Document Center5660 BA, LLC
  49. 4919
    PDF Creator ProXingying Tech
  50. 506
    Microsoft 365 CopilotMicrosoft Corporation

What changed

Movement between the previous day and May 18, 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