Top Books & Reference apps in Japan 🇯🇵

AndroidJune 8, 2026· Snapshot dated View all snapshotsMethodology

As of June 8, 2026, Kotoba - Traducción por Voz is the #1 Books & Reference app in Japan on Android.

AndroidiOS
#App / PublisherIntel
  1. 14
  2. 21
  3. 31
  4. 4
  5. 52
  6. 6
  7. 71
  8. 81
  9. 91
  10. 101
  11. 113
  12. 121
  13. 131
  14. 141
  15. 151
  16. 161
  17. 172
  18. 18
  19. 192
  20. 20
  21. 211
  22. 221
  23. 231
  24. 242
  25. 252
  26. 261
  27. 272
  28. 28
  29. 291
  30. 303
  31. 311
  32. 3226
  33. 332
  34. 345
    Kifflire: Steamy Romance Reads

    MOBOREADER TECHNOLOGY USA CO LTD

  35. 358
  36. 365
  37. 377
  38. 384
  39. 391
  40. 403
  41. 411
  42. 423
  43. 431
  44. 443
  45. 457
    DIRECT Reads

    ダイレクト出版株式会社

  46. 4610
  47. 471
  48. 487
  49. 49
  50. 50

What changed

Movement between the previous day and June 8, 2026.

Methodology

Rankings are pulled daily from the Android 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.

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