Top Books & Reference apps in United States 🇺🇸

AndroidJune 29, 2026· Snapshot dated View all snapshotsMethodology

As of June 29, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.

AndroidiOS
#App / PublisherIntel
  1. 13
  2. 21
  3. 34
  4. 41
  5. 52
  6. 62
  7. 75
  8. 82
  9. 91
  10. 101
  11. 113
  12. 123
  13. 132
  14. 142
  15. 152
  16. 163
  17. 17
  18. 182
  19. 191
  20. 203
  21. 211
  22. 221
  23. 231
  24. 245
  25. 252
  26. 262
  27. 273
  28. 284
  29. 297
  30. 305
  31. 313
  32. 328
  33. 337
  34. 341
  35. 353
  36. 364
  37. 374
  38. 387
  39. 3910
  40. 401
  41. 416
  42. 425
  43. 434
  44. 442
  45. 452
  46. 464
  47. 473
  48. 486
  49. 494
  50. 505

What changed

Movement between the previous day and June 29, 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 29, 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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