Top Productivity apps in Japan 🇯🇵

iOSMay 19, 2026· Snapshot dated View all snapshotsMethodology

As of May 19, 2026, ChatGPT is the #1 Productivity app in Japan on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 4NEW
  5. 51
  6. 61
  7. 71
  8. 83
  9. 92
  10. 10
  11. 111
  12. 124
  13. 131
  14. 145
  15. 151
  16. 161
  17. 174
  18. 181
  19. 192
  20. 202
  21. 21
  22. 221
  23. 231
  24. 244
  25. 251
  26. 262
  27. 272
  28. 282
  29. 292
  30. 301
  31. 313
  32. 321
  33. 336
  34. 342
  35. 352
  36. 361
  37. 373
  38. 38
  39. 393
  40. 407
  41. 415
  42. 421
  43. 433
  44. 44
  45. 4510
  46. 461
  47. 474
  48. 4810
  49. 496
  50. 50

What changed

Movement between the previous day and May 19, 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 19, 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