Top Reference apps in United States 🇺🇸

iOSMay 24, 2026· Snapshot dated View all snapshotsMethodology

As of May 24, 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. 31
  4. 41
  5. 5
  6. 61
  7. 71
  8. 83
  9. 91
  10. 102
  11. 112
  12. 12
  13. 132
  14. 145
  15. 152
  16. 162
  17. 171
  18. 183
  19. 195
  20. 205
  21. 211
  22. 225
  23. 236
  24. 244
  25. 252
  26. 267
  27. 273
  28. 287
  29. 293
  30. 302
  31. 312
  32. 32
  33. 332
  34. 342
  35. 353
  36. 362
  37. 3751
  38. 381
  39. 392
  40. 403
  41. 4111
  42. 4230
  43. 436
  44. 444
  45. 45
  46. 467
  47. 4714
  48. 484
  49. 497
  50. 504

What changed

Movement between the previous day and May 24, 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 May 24, 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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