Top Books & Reference apps in United States 🇺🇸

AndroidJune 22, 2026· Snapshot dated View all snapshotsMethodology

As of June 22, 2026, Merlin Bird ID by Cornell Lab is the #1 Books & Reference app in United States on Android.

AndroidiOS
#App / PublisherIntel
  1. 1
  2. 21
  3. 32
  4. 42
  5. 52
  6. 62
  7. 72
  8. 82
  9. 95
  10. 10
  11. 11
  12. 12
  13. 13
  14. 144
  15. 15
  16. 162
  17. 171
  18. 183
  19. 192
  20. 201
  21. 211
  22. 22
  23. 234
  24. 2454
  25. 257
  26. 261
  27. 273
  28. 282
  29. 296
  30. 301
  31. 31
  32. 328
  33. 331
  34. 346
  35. 352
  36. 361
  37. 372
  38. 386
  39. 392
  40. 402
  41. 411
  42. 426
  43. 4311
  44. 442
  45. 452
  46. 4611
  47. 472
  48. 481
  49. 491
  50. 502

What changed

Movement between the previous day and June 22, 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 22, 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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