Top Reference apps in United States 🇺🇸

iOSApril 26, 2026· Snapshot dated View all snapshotsMethodology

As of April 26, 2026, Merlin Bird ID by Cornell Lab is the #1 Reference app in United States on iOS.

iOSAndroid
#App / PublisherIntel
  1. 11
  2. 21
  3. 3
  4. 41
  5. 51
  6. 61
  7. 71
  8. 82
  9. 91
  10. 101
  11. 11
  12. 123
  13. 13
  14. 142
  15. 151
  16. 164
  17. 171
  18. 181
  19. 191
  20. 204
  21. 2111
  22. 224
  23. 23
  24. 243
  25. 256
  26. 264
  27. 273
  28. 283
  29. 2910
  30. 304
  31. 312
  32. 3211
  33. 334
  34. 346
  35. 358
  36. 36
  37. 372
  38. 387
  39. 398
  40. 40
  41. 414
  42. 421
  43. 434
  44. 44
  45. 4520
  46. 463
  47. 4715
  48. 486
  49. 492
  50. 50

What changed

Movement between the previous day and April 26, 2026.

Methodology

Rankings are pulled daily from the iOS 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 Reference app in United States on iOS?
As of April 26, 2026, Merlin Bird ID by Cornell Lab is the #1 Reference app in United States on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS 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 iOS 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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