Top Books & Reference apps in United States 🇺🇸

AndroidMay 29, 2026· Snapshot dated View all snapshotsMethodology

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

AndroidiOS
#App / PublisherIntel
  1. 1
  2. 22
  3. 34
  4. 41
  5. 5
  6. 64
  7. 71
  8. 83
  9. 91
  10. 102
  11. 112
  12. 12
  13. 139
  14. 141
  15. 151
  16. 161
  17. 171
  18. 181
  19. 192
  20. 201
  21. 213
  22. 222
  23. 235
  24. 241
  25. 252
  26. 264
  27. 276
  28. 283
  29. 295
  30. 302
  31. 312
  32. 324
  33. 332
  34. 3414
  35. 359
  36. 3625
  37. 37
  38. 38
  39. 39
  40. 408
  41. 416
  42. 422
  43. 432
  44. 447
  45. 453
  46. 461
  47. 477
  48. 481
  49. 492
  50. 504

What changed

Movement between the previous day and May 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 May 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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