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Top Productivity apps in Japan 🇯🇵

AndroidJune 28, 2026· Snapshot dated View all snapshotsMethodology

As of June 28, 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. 41
    PDF Reader PointPDF Fuel
  5. 51
    Claude by AnthropicAnthropic PBC
  6. 63
    PDF Creator ProXingying Tech
  7. 71
    All Document Center5660 BA, LLC
  8. 83
    QR & Barcode ScannerTeaCapps
  9. 92
    PDF File PlusNullbyte Labs
  10. 102
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  11. 11NEW
    PDF Reader Pro - PDF EditorTrisamoca Tacamtun
  12. 124
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  13. 133
    Adobe Acrobat Reader: Edit PDFAdobe
  14. 147
    Clean Space HelperCarlina Team
  15. 151
    PDF Reader, All PDF ViewerOffice Suite Pro
  16. 163
    Grok - AI Chat & VideoX Corp.
  17. 173
    Microsoft ExcelMicrosoft Corporation
  18. 1813
    StellarRecoverySkyFusion Labs
  19. 194
    PDF Reader - PDF EditorEfficient Tools
  20. 202
    Open Chat - AI bot appAceTools Team
  21. 212
    Easy Voice RecorderDigipom Inc.
  22. 222
    Microsoft WordMicrosoft Corporation
  23. 231
    Google SheetsGoogle
  24. 241
    TimeTree: Shared CalendarTimeTree, Inc.
  25. 251
    詐欺バスター LiteTrend Micro
  26. 26
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  27. 2710
    Google NotebookLMGoogle
  28. 281
    Microsoft OutlookMicrosoft Corporation
  29. 294
    Phone Clean ToolsDiamond Queen Cleaning L.L.C.
  30. 301
    Google Keep - Notes and listsGoogle
  31. 311
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  32. 32
    Link to WindowsMicrosoft Corporation
  33. 333
    QR Code Reader・Barcode ScannerApp Craze
  34. 3433
    Document Reader & ViewerWdream Limited
  35. 352
    Microsoft CopilotMicrosoft Corporation
  36. 362
    AI Translate All LanguagesiKame Applications - Begamob Apps
  37. 379
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  38. 384
    Forms for Google DocsAurora Innovation
  39. 39
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  40. 403
    All Document HubDream Tools
  41. 416
    Microsoft PowerPointMicrosoft Corporation
  42. 425
    Gemmy AI: Chat & AssistantJetkite
  43. 433
    Simple Calendar - easy plannerKomorebi Inc.
  44. 447
    Notta-Transcribe Audio to TextNOTTA PTE. LTD.
  45. 453
    Microsoft 365 CopilotMicrosoft Corporation
  46. 46
    ClevCalc - CalculatorCleveni Inc.
  47. 472
    Easy Reader - PDF ViewerRundong Technology
  48. 483
    Microsoft OneDriveMicrosoft Corporation
  49. 49
    PDF Reader ZoneP & L Studio
  50. 504
    AI Chatbot - NovaSCALEUP YAZILIM HIZMETLERI

What changed

Movement between the previous day and June 28, 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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