Top Books & Reference apps in Japan 🇯🇵

AndroidMay 21, 2026· Snapshot dated View all snapshotsMethodology

As of May 21, 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. 813
  9. 91
  10. 101
  11. 112
  12. 122
  13. 131
  14. 141
  15. 153
  16. 163
  17. 17
  18. 184
  19. 193
  20. 201
  21. 212
  22. 222
  23. 231
  24. 242
  25. 251
  26. 261
  27. 27
  28. 28
  29. 29
  30. 304
  31. 311
  32. 324
  33. 336
  34. 343
  35. 353
  36. 363
  37. 374
  38. 38
  39. 394
  40. 404
  41. 412
  42. 425
    Litrad: Fantasy Romance Novels

    MOBOREADER TECHNOLOGY USA CO LTD

  43. 435
    MoboReader: Good Web Novel

    MOBOREADER TECHNOLOGY USA CO LTD

  44. 442
  45. 455
    Bakisah - Webnovels Romance

    MOBOREADER TECHNOLOGY USA CO LTD

  46. 461
  47. 477
  48. 481
  49. 497
  50. 501

What changed

Movement between the previous day and May 21, 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