Best Ornithology App

249+ iOS apps & games curated and reviewed

4.6 avg rating
19 free apps & games
Updated September 2026

Every iPhone needs a few good ornithology app. We benchmark 249+ 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 Ornithology App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Merlin Bird ID by Cornell LabMerlin Bird ID by Cornell LabFree4.9★ (113K)NoNoSep 2026
2Birdle - A Daily Guessing GameBirdle - A Daily Guessing GameFree4.9★ (414)NoYesSep 2026
3Audubon Bird GuideAudubon Bird GuideFree4.3★ (4.5K)YesNoSep 2026
4eBirdeBirdFree3.8★ (803)NoNoSep 2026
5World of WingsWorld of WingsFree4.9★ (938)YesYesSep 2026
6Ties Crow AppTies Crow AppFree—NoNoMay 2026
7BirdScore: Birding Field LogBirdScore: Birding Field LogFree—NoYesJun 2026
8DiBird – Bird Watching JournalDiBird – Bird Watching JournalFree—NoNoAug 2026

Top Picks for Ornithology App

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😊(113K ratings)
Free
#11in 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
Audubon Bird Guide#3

Audubon Bird Guide by National Audubon Society

Identify over 800 bird species
Worth Considering
🔍 Reference
4.3😊(4.5K ratings)
FreeAds
Audubon Bird Guide screenshot 1
Audubon Bird Guide screenshot 2
Audubon Bird Guide screenshot 3
Audubon Bird Guide screenshot 4
Audubon Bird Guide screenshot 5

Identify North American birds with this comprehensive field guide. Features include a bird ID tool based on observations, detailed species information with photos and audio, and a personal sightings log. Discover nearby birding locations and connect with conservation efforts.

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 🔍 Helpful for identifying birds
  • 🎶 Useful bird calls and sounds
  • 📍 Provides location-based bird sightings
  • 🗺️ Detailed range maps
  • 🤝 Supports community features
  • 💰 Free app with great value

Room to Improve

  • 🐛 Buggy and crashes
  • 🔄 Confusing interface changes
  • 🔒 Requires account creation
  • 📍 Limited location-based features
  • 🗺️ Outdated or incomplete range maps
  • 🎶 Missing bird calls and sounds
  • 🖼️ Poor photo quality and functionality

More Ornithology App apps to explore

FAQ about Ornithology App

What is the best ornithology app for iPhone?
Merlin Bird ID by Cornell Lab tops our ornithology app ranking as of September 2026, with a 4.9-star average from 113K App Store ratings, and it's free to download.
Yes — 19 of the top ornithology app we rank are free to download, including Merlin Bird ID by Cornell Lab and Birdle - A Daily Guessing Game.
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 249+ ornithology app 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.