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Top Productivity apps in Japan 🇯🇵

AndroidJune 2, 2026· Snapshot dated View all snapshotsMethodology

As of June 2, 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. 31
    PDF Reader - PDF ViewerQR Code Scanner.
  4. 41
    Claude by AnthropicAnthropic PBC
  5. 51
    QR & Barcode ScannerTeaCapps
  6. 61
    PDF Spark - Reader & EditorApHouseBD
  7. 72
    Easy Reader - PDF ViewerRundong Technology
  8. 81
    All Document Center5660 BA, LLC
  9. 91
    Adobe Acrobat Reader: Edit PDFAdobe
  10. 1015
    PDF Reader - Smart ViewerOmareyah Team
  11. 115
    PDF Reader ZoneP & L Studio
  12. 122
    Grok - AI Chat & VideoX Corp.
  13. 131
    PDF Reader - PDF EditorEfficient Tools
  14. 143
    Microsoft ExcelMicrosoft Corporation
  15. 152
    PDF Reader, All PDF ViewerOffice Suite Pro
  16. 163
    Document Reader & PDF Editor++FREE AI UTILS COMPANY LIMITED
  17. 172
    Open Chat - AI bot appAceTools Team
  18. 182
    詐欺バスター LiteTrend Micro
  19. 1910
    QR Code Scanner & Barcode ReadQR & Barcode Scanner
  20. 202
    Easy Voice RecorderDigipom Inc.
  21. 21
    PDF Reader PointPDF Fuel
  22. 223
    Microsoft WordMicrosoft Corporation
  23. 231
    TimeTree: Shared CalendarTimeTree, Inc.
  24. 241
    Google SheetsGoogle
  25. 253
    Google NotebookLMGoogle
  26. 262
    Alarmy - Alarm Clock & SleepSleep Tracker & Alarm Clock by Delightroom
  27. 2717
    DuckMark Miller
  28. 281
    Google Keep - Notes and listsGoogle
  29. 2914
    PDF Creator ProXingying Tech
  30. 304
    Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.
  31. 311
    Link to WindowsMicrosoft Corporation
  32. 321
    Document Reader & ViewerWdream Limited
  33. 333
    Microsoft CopilotMicrosoft Corporation
  34. 341
    Calendário 2026Shree Radha Damodar
  35. 354
    LINE WORKS: Team CommunicationLINE WORKS Corp.
  36. 362
    Microsoft OutlookMicrosoft Corporation
  37. 3712
    CleanPalLemuria Dev
  38. 382
    Gemmy AI: Chat & AssistantJetkite
  39. 392
    Forms for Google DocsAurora Innovation
  40. 402
    Notepad, Notes, Easy NotebookSimple Design Ltd.
  41. 411
    ClevCalc - CalculatorCleveni Inc.
  42. 422
    PDFReader - View & ManageGift School
  43. 4315
    Clean Sweep MasterZJDevKing
  44. 4411
    PDF Viewer - PDF ReaderOLOA games
  45. 454
    Microsoft PowerPointMicrosoft Corporation
  46. 465
    QR Scanner & Barcode ReaderAfex Digital
  47. 47
    Chatbot App - AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI
  48. 48
    Simple Calendar - easy plannerKomorebi Inc.
  49. 4951
    Document Viewer ProEmily Yu
  50. 504
    Microsoft 365 CopilotMicrosoft Corporation

What changed

Movement between the previous day and June 2, 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