Top Reference apps in Japan 🇯🇵

iOSMay 21, 2026· Snapshot dated View all snapshotsMethodology

As of May 21, 2026, Google Translate is the #1 Reference app in Japan on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 61
  7. 71
  8. 8
  9. 9
  10. 10
  11. 11
  12. 122
  13. 13
  14. 141
  15. 151
  16. 164
  17. 178
  18. 185
  19. 19
  20. 201
  21. 213
  22. 225
  23. 231
  24. 242
  25. 255
  26. 262
  27. 273
  28. 282
  29. 292
  30. 305
  31. 3137
  32. 321
  33. 334
  34. 342
    Dictionaries

    物書堂

  35. 351
  36. 3619
  37. 373
  38. 382
  39. 3910
  40. 404
  41. 417
  42. 421
  43. 432
  44. 4417
  45. 4513
  46. 464
    Confit - 学会アプリ

    株式会社アトラス

  47. 474
  48. 4816
  49. 493
  50. 5011

What changed

Movement between the previous day and May 21, 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 Reference app in Japan on iOS?
As of May 21, 2026, Google Translate is the #1 Reference 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