MARLVEL

Top Productivity apps in Japan 🇯🇵

AndroidJune 18, 2026· Snapshot dated View all snapshotsMethodology

As of June 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. 33
    StellarRecoverySkyFusion Labs
  4. 41
    PDF Reader - PDF ViewerQR Code Scanner.
  5. 51
    Claude by AnthropicAnthropic PBC
  6. 61
    All Document Center5660 BA, LLC
  7. 7
    PDF File PlusNullbyte Labs
  8. 8
    PDF Reader, All PDF ViewerOffice Suite Pro
  9. 9
    PDF Reader PointPDF Fuel
  10. 102
    Adobe Acrobat Reader: Edit PDFAdobe
  11. 111
    QR & Barcode ScannerTeaCapps
  12. 121
    Grok - AI Chat & VideoX Corp.
  13. 132
    Easy Reader - PDF ViewerRundong Technology
  14. 141
    Microsoft ExcelMicrosoft Corporation
  15. 151
    Open Chat - AI bot appAceTools Team
  16. 169
    PDF Reader - Smart ViewerOmareyah Team
  17. 171
    詐欺バスター LiteTrend Micro
  18. 181
    Microsoft WordMicrosoft Corporation
  19. 194
    Easy Voice RecorderDigipom Inc.
  20. 202
    Google SheetsGoogle
  21. 213
    PDF Reader - PDF EditorEfficient Tools
  22. 225
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  23. 233
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  24. 24
    TimeTree: Shared CalendarTimeTree, Inc.
  25. 251
    Google NotebookLMGoogle
  26. 262
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  27. 273
    Microsoft OutlookMicrosoft Corporation
  28. 281
    Link to WindowsMicrosoft Corporation
  29. 298
    PDF Creator ProXingying Tech
  30. 302
    All Document GuideXuanLong Studio
  31. 31
    PDFReader - View & ManageGift School
  32. 325
    Google Keep - Notes and listsGoogle
  33. 335
    Microsoft PowerPointMicrosoft Corporation
  34. 341
    Microsoft CopilotMicrosoft Corporation
  35. 355
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  36. 36
    Calendário 2026Shree Radha Damodar
  37. 37
    Forms for Google DocsAurora Innovation
  38. 384
    ClevCalc - CalculatorCleveni Inc.
  39. 395
    Notta-Transcribe Audio to TextNOTTA PTE. LTD.
  40. 401
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  41. 411
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  42. 423
    Microsoft 365 CopilotMicrosoft Corporation
  43. 435
    Phone Clean ToolsDiamond Queen Cleaning L.L.C.
  44. 441
    AI Translate All LanguagesiKame Applications - Begamob Apps
  45. 451
    PDF Viewer - PDF ReaderOLOA games
  46. 4611
    PDF Reader ZoneP & L Studio
  47. 472
    Simple Calendar - easy plannerKomorebi Inc.
  48. 483
    Microsoft OneDriveMicrosoft Corporation
  49. 4920
    PDF Reader & Viewer: Edit PDFWdream Limited
  50. 507
    Trend Micro ScamCheckTrend Micro

What changed

Movement between the previous day and June 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