Top Productivity apps in Japan 🇯🇵

iOSMay 17, 2026· Snapshot dated View all snapshotsMethodology

As of May 17, 2026, ChatGPT is the #1 Productivity app in Japan on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 4
  5. 51
  6. 61
  7. 73
  8. 81
  9. 91
  10. 101
  11. 111
  12. 121
  13. 13
  14. 143
  15. 151
  16. 164
  17. 171
  18. 183
  19. 193
  20. 202
  21. 213
  22. 221
  23. 23
  24. 245
  25. 251
  26. 265
  27. 27
  28. 283
  29. 291
  30. 302
  31. 312
  32. 325
  33. 333
  34. 34
  35. 3517
  36. 361
  37. 374
  38. 389
  39. 391
  40. 4019
  41. 415
  42. 423
  43. 4342
    YYProbe - 会話の可視化アプリ -

    株式会社エクォス・リサーチ

  44. 441
  45. 457
  46. 462
  47. 47
  48. 482
  49. 49
  50. 508

What changed

Movement between the previous day and May 17, 2026.

Methodology

Rankings are pulled daily from the iOS 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.

Frequently asked questions

What is the #1 Productivity app in Japan on iOS?
As of May 17, 2026, ChatGPT is the #1 Productivity app in Japan on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS charts for Japan every day and computes day-over-day movement. The "Current" page always reflects the latest snapshot; dated archive pages preserve each day's top 50.
Where does Marlvel's ranking data come from?
Rankings are pulled from the public iOS store charts for Japan. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.

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.

Data licensed under CC-BY-NC 4.0