Top Books & Reference apps in United States 🇺🇸

AndroidJune 15, 2026· Snapshot dated View all snapshotsMethodology

As of June 15, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.

AndroidiOS
#App / PublisherIntel
  1. 11
  2. 21
  3. 31
  4. 41
  5. 52
  6. 61
  7. 71
  8. 8
  9. 91
  10. 102
  11. 112
  12. 121
  13. 134
  14. 14
  15. 151
  16. 161
  17. 172
  18. 181
  19. 191
  20. 202
  21. 21
  22. 22
  23. 231
  24. 241
  25. 252
  26. 264
  27. 272
  28. 285
  29. 293
  30. 306
  31. 313
  32. 326
  33. 334
  34. 348
  35. 355
  36. 363
  37. 372
  38. 385
  39. 397
  40. 409
  41. 4111
  42. 428
  43. 434
  44. 443
  45. 453
  46. 461
  47. 471
  48. 484
  49. 49
  50. 50

What changed

Movement between the previous day and June 15, 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 15, 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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