Top Books & Reference apps in Japan 🇯🇵

AndroidMay 31, 2026· Snapshot dated View all snapshotsMethodology

As of May 31, 2026, Amazon Kindle: Reading App is the #1 Books & Reference app in Japan on Android.

AndroidiOS
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
    Confit - 学会アプリ

    株式会社アトラス

  13. 131
  14. 141
  15. 151
  16. 163
  17. 17
  18. 18
  19. 19
  20. 201
  21. 211
  22. 221
  23. 231
  24. 241
  25. 255
  26. 26
  27. 27
  28. 28
  29. 291
  30. 301
  31. 311
  32. 321
  33. 331
  34. 341
    Litrad: Fantasy Romance Novels

    MOBOREADER TECHNOLOGY USA CO LTD

  35. 351
  36. 361
  37. 378
  38. 38
  39. 391
  40. 401
  41. 411
    Kifflire: Steamy Romance Reads

    MOBOREADER TECHNOLOGY USA CO LTD

  42. 421
  43. 431
  44. 441
  45. 451
    Bakisah - Webnovels Romance

    MOBOREADER TECHNOLOGY USA CO LTD

  46. 461
  47. 478
  48. 48
  49. 49
  50. 50

What changed

Movement between the previous day and May 31, 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