Top Productivity apps in Japan 🇯🇵

iOSJune 4, 2026· Snapshot dated View all snapshotsMethodology

As of June 4, 2026, ChatGPT is the #1 Productivity app in Japan on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 412
  5. 51
  6. 61
  7. 7
  8. 82
  9. 9
  10. 102
  11. 111
  12. 121
  13. 132
  14. 14
  15. 15
  16. 164
  17. 17
  18. 18
  19. 19
  20. 201
  21. 211
  22. 22
  23. 23
  24. 244
  25. 25
  26. 262
  27. 27
  28. 282
  29. 292
  30. 30
  31. 313
  32. 321
  33. 334
  34. 342
  35. 35
  36. 36
  37. 37
  38. 3810
  39. 395
  40. 401
  41. 411
  42. 421
  43. 435
  44. 441
  45. 452
  46. 46
  47. 477
  48. 482
  49. 499
  50. 501

What changed

Movement between the previous day and June 4, 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 June 4, 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