Top Books & Reference apps in Japan 🇯🇵

AndroidJune 4, 2026· Snapshot dated View all snapshotsMethodology

As of June 4, 2026, Amazon Kindle: Reading App is the #1 Books & Reference app in Japan on Android.

AndroidiOS
#App / PublisherIntel
  1. 1
  2. 21
  3. 31
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 121
  13. 131
  14. 141
  15. 153
  16. 16
  17. 17
    Kifflire: Steamy Romance Reads

    MOBOREADER TECHNOLOGY USA CO LTD

  18. 18
  19. 194
  20. 20
  21. 211
  22. 223
  23. 232
  24. 24
  25. 251
    Bakisah - Webnovels Romance

    MOBOREADER TECHNOLOGY USA CO LTD

  26. 261
  27. 27
  28. 283
  29. 291
  30. 307
  31. 312
  32. 323
  33. 333
  34. 34
    Litrad: Fantasy Romance Novels

    MOBOREADER TECHNOLOGY USA CO LTD

  35. 351
  36. 364
  37. 372
  38. 385
  39. 391
  40. 405
  41. 41
  42. 42
  43. 432
  44. 44
  45. 451
  46. 461
  47. 471
  48. 484
  49. 49
  50. 505

What changed

Movement between the previous day and June 4, 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