Top Books & Reference apps in United States 🇺🇸

AndroidJune 2, 2026· Snapshot dated View all snapshotsMethodology

As of June 2, 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. 31
  4. 41
  5. 5
  6. 62
  7. 7
  8. 8
  9. 92
  10. 101
  11. 111
  12. 121
  13. 132
  14. 142
  15. 151
  16. 164
  17. 175
  18. 181
  19. 19
  20. 202
  21. 211
  22. 221
  23. 231
  24. 241
  25. 25
  26. 26
  27. 273
  28. 28
  29. 29
  30. 303
  31. 3143
  32. 32
  33. 332
  34. 341
  35. 3511
  36. 361
  37. 373
  38. 382
  39. 39
  40. 403
  41. 411
  42. 423
  43. 436
  44. 44
  45. 453
  46. 465
  47. 479
  48. 486
  49. 4913
  50. 507

What changed

Movement between the previous day and June 2, 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 June 2, 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.

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