Top Reference apps in Japan 🇯🇵

iOSMay 20, 2026· Snapshot dated View all snapshotsMethodology

As of May 20, 2026, Google Translate is the #1 Reference app in Japan on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 4
  5. 59
  6. 61
  7. 7
  8. 82
  9. 9
  10. 10
  11. 113
  12. 121
  13. 131
  14. 141
  15. 154
  16. 16
  17. 174
  18. 185
  19. 191
  20. 203
  21. 211
  22. 225
  23. 231
  24. 241
  25. 2515
  26. 26
  27. 273
  28. 28
  29. 29
  30. 3011
  31. 319
  32. 321
    Dictionaries

    物書堂

  33. 331
  34. 34NEW
  35. 353
  36. 369
  37. 376
  38. 384
  39. 3917
  40. 404
  41. 417
  42. 4219
    Confit - 学会アプリ

    株式会社アトラス

  43. 434
  44. 442
  45. 458
  46. 4610
  47. 47
  48. 484
  49. 496
  50. 501

What changed

Movement between the previous day and May 20, 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 20, 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