MARLVEL

Top Productivity apps in Japan 🇯🇵

AndroidJune 4, 2026· Snapshot dated View all snapshotsMethodology

As of June 4, 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. 54
    PDF Reader - Smart ViewerOmareyah Team
  6. 61
    QR & Barcode ScannerTeaCapps
  7. 74
    PDF Reader ZoneP & L Studio
  8. 81
    Easy Reader - PDF ViewerRundong Technology
  9. 91
    All Document Center5660 BA, LLC
  10. 10
    Adobe Acrobat Reader: Edit PDFAdobe
  11. 115
    PDF Spark - Reader & EditorApHouseBD
  12. 12
    Grok - AI Chat & VideoX Corp.
  13. 132
    PDF Reader, All PDF ViewerOffice Suite Pro
  14. 14
    Microsoft ExcelMicrosoft Corporation
  15. 152
    PDF Reader - PDF EditorEfficient Tools
  16. 16
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  17. 17
    Open Chat - AI bot appAceTools Team
  18. 184
    Microsoft WordMicrosoft Corporation
  19. 19
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  20. 202
    PDF Reader PointPDF Fuel
  21. 211
    Easy Voice RecorderDigipom Inc.
  22. 222
    Google SheetsGoogle
  23. 23
    TimeTree: Shared CalendarTimeTree, Inc.
  24. 243
    詐欺バスター LiteTrend Micro
  25. 25
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  26. 261
    Google NotebookLMGoogle
  27. 271
    DuckMark Miller
  28. 282
    PDF Creator ProXingying Tech
  29. 293
    Document Reader & ViewerWdream Limited
  30. 306
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  31. 312
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  32. 321
    Link to WindowsMicrosoft Corporation
  33. 334
    CleanPalLemuria Dev
  34. 346
    Google Keep - Notes and listsGoogle
  35. 35
    Microsoft OutlookMicrosoft Corporation
  36. 363
    Microsoft CopilotMicrosoft Corporation
  37. 373
    Calendário 2026Shree Radha Damodar
  38. 384
    PDFReader - View & ManageGift School
  39. 39
    Forms for Google DocsAurora Innovation
  40. 403
    Clean Sweep MasterZJDevKing
  41. 414
    Microsoft PowerPointMicrosoft Corporation
  42. 421
    ClevCalc - CalculatorCleveni Inc.
  43. 431
    PDF Viewer - PDF ReaderOLOA games
  44. 444
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  45. 457
    Gemmy AI: Chat & AssistantJetkite
  46. 461
    QR Scanner & Barcode ReaderAfex Digital
  47. 473
    Microsoft 365 CopilotMicrosoft Corporation
  48. 482
    Chatbot App - AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
  49. 49
    Document Viewer ProEmily Yu
  50. 502
    Simple Calendar - easy plannerKomorebi Inc.

What changed

Movement between the previous day and June 4, 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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