Best Cornell Lab Bird Apps

248+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good cornell lab bird apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Cornell Lab Bird Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Merlin Bird ID by Cornell LabMerlin Bird ID by Cornell LabFree4.9★ (111K)NoNoSep 2026
2eBirdeBirdFree3.8★ (803)NoNoSep 2026
3NestWatch by the Cornell LabNestWatch by the Cornell LabFree4.0★ (18)NoNoAug 2026
4Identify BirdIdentify BirdFreeYesYesMay 2026
5Bird Identifier - Birding IDBird Identifier - Birding IDFreeNoYesSep 2026
6Audubon Bird GuideAudubon Bird GuideFree4.3★ (4.5K)YesNoSep 2026
7Bird Sounds!Bird Sounds!Free2.0★ (6)NoNoAug 2026
8Bird QRBird QRFree2.4★ (64)NoNoMay 2026

Top Picks for Cornell Lab Bird

Merlin Bird ID by Cornell Lab#1

Merlin Bird ID by Cornell Lab by Cornell University

Identify Birds You See & Hear
Editor's Choice
🔍 Reference
4.9😊(111K ratings)
Free
#13in Reference
Merlin Bird ID by Cornell Lab screenshot 1
Merlin Bird ID by Cornell Lab screenshot 2
Merlin Bird ID by Cornell Lab screenshot 3
Merlin Bird ID by Cornell Lab screenshot 4
Merlin Bird ID by Cornell Lab screenshot 5
Merlin Bird ID by Cornell Lab screenshot 6

Easily identify birds by sight or sound using advanced machine learning. Explore birds in your region, track your sightings, and learn about species with photos, sounds, and range maps. This free app from the Cornell Lab of Ornithology helps build your birding skills.

What We Love

  • 🚀 Helpful for bird identification
  • 🔒 Accurate bird identification
  • 👍 Easy to use
  • 👍 Useful for beginners and experts
  • 👍 Enjoyable and fun to use
  • 👍 Comprehensive bird information
  • 👍 Excellent sound identification feature
  • 👍 Connects with eBird
  • 👍 Free app with no ads

Room to Improve

  • 🐛 Sound ID not always accurate
  • 🐛 Occasional crashes or bugs
  • 🐛 Difficulty adding birds to life list
  • 🐛 Limited bird packs for certain regions
  • 🐛 Requires location access
  • 🐛 High battery consumption
  • 🐛 Confusing user interface in some areas
eBird#2

eBird by Cornell University

Cornell Lab of Ornithology
Strong Contender
🔍 Reference
3.8😐(803 ratings)
Free
eBird screenshot 1
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eBird screenshot 5

Easily record bird sightings in the field and contribute to a global database for scientific research and conservation. This app offers offline functionality, customized checklists, and GPS-enabled location plotting.

What We Love

  • 🚀 Excellent for citizen science
  • 🔍 Helpful for finding birds at hotspots
  • 📚 Useful for tracking life lists
  • 👍 Easy to use and submit checklists
  • 🤝 Integrates well with Merlin Bird ID

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔋 High battery consumption
  • 📍 Issues with location tracking and mapping
  • 🤔 Unintuitive user interface
  • 🔒 Privacy concerns with location data

More Cornell Lab Bird apps to explore

FAQ about Cornell Lab Bird

What are the best cornell lab bird apps for iPhone?
Merlin Bird ID by Cornell Lab tops our cornell lab bird apps ranking as of September 2026, with a 4.9-star average from 111K App Store ratings, and it's free to download.
Yes — 20 of the top cornell lab bird apps we rank are free to download, including Merlin Bird ID by Cornell Lab and eBird.
Merlin Bird ID by Cornell Lab has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 248+ cornell lab bird apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Merlin Bird ID is a free app that helps you identify birds you see or hear. It uses machine learning powered by a vast database of bird sightings, sounds, and photos from eBird. You can identify birds by uploading a photo, recording a sound, answering simple questions, or exploring birds in a specific region.
The app leverages machine learning trained on millions of photos and sounds collected by experienced birders. This, combined with curated data from eBird and the Macaulay Library, ensures highly accurate identification results. Expert birders contribute to the ongoing improvement of the identification algorithms.