Top Books & Reference apps in United States 🇺🇸

AndroidMay 30, 2026· Snapshot dated View all snapshotsMethodology

As of May 30, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.

AndroidiOS
#App / PublisherIntel
  1. 1
  2. 24
  3. 3
  4. 42
  5. 53
  6. 62
  7. 72
  8. 81
  9. 94
  10. 101
  11. 11
  12. 122
  13. 132
  14. 142
  15. 152
  16. 162
  17. 171
  18. 182
  19. 193
  20. 201
  21. 211
  22. 224
  23. 232
  24. 24
  25. 252
  26. 261
  27. 27
  28. 2813
  29. 291
  30. 301
  31. 315
  32. 321
  33. 331
  34. 345
  35. 357
  36. 362
  37. 376
  38. 389
  39. 3917
  40. 405
  41. 4111
  42. 4212
  43. 4310
  44. 4413
  45. 4518
  46. 466
  47. 4710
  48. 484
  49. 4911
  50. 508

What changed

Movement between the previous day and May 30, 2026.

Methodology

Rankings are pulled daily from the Android store charts for United States. 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 Books & Reference app in United States on Android?
As of May 30, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android, based on the public Android chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the Android charts for United States 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 Android store charts for United States. 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