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Best Bird Field Guide Apps

240+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated September 2026

With an average user rating of 4.3★, the bird field guide category is one of the App Store's strongest. Browse all 240+ apps we track, sorted so the most loved ones surface first.

Compare top Bird Field Guide Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Audubon Bird GuideAudubon Bird GuideFree4.3★ (4.5K)YesNoSep 2026
2Merlin Bird ID by Cornell LabMerlin Bird ID by Cornell LabFree4.9★ (111K)NoNoSep 2026
3Sibley Birds 2nd EditionSibley Birds 2nd Edition$19.994.9★ (2.9K)NoNoSep 2026
4iBird Pro Guide to BirdsiBird Pro Guide to BirdsFree4.3★ (6.9K)NoYesSep 2026
5Birda - Bird Watching, BirdingBirda - Bird Watching, BirdingFree4.7★ (2.2K)NoYesSep 2026
6SempreDiCorsaSempreDiCorsaFree—NoYesJul 2026
7Collins British Bird GuideCollins British Bird Guide$7.99 was $9.994.0★ (1)NoYesAug 2026
8Learn Bird Watching—LarkwireLearn Bird Watching—LarkwireFree4.8★ (1.3K)NoYesSep 2026

Top Picks for Bird Field Guide

Audubon Bird Guide#1

Audubon Bird Guide by National Audubon Society

Identify over 800 bird species
Editor's Choice
🔍 Reference
4.3😊(4.5K ratings)
FreeAds
Audubon Bird Guide screenshot 1
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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  • 🗺️ Outdated or incomplete range maps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
Merlin Bird ID by Cornell Lab#2

Merlin Bird ID by Cornell Lab by Cornell University

Identify Birds You See & Hear
Strong Contender
🔍 Reference
4.9😊(111K ratings)
Free
#9in Reference
Merlin Bird ID by Cornell Lab screenshot 1
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Merlin Bird ID by Cornell Lab screenshot 3
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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
Sibley Birds 2nd Edition#3

Sibley Birds 2nd Edition by mydigitalearth.com

Birds of North America
Worth Considering
🔍 Reference
4.9😊(2.9K ratings)
$19.99
#11in Reference
Sibley Birds 2nd Edition screenshot 1
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Sibley Birds 2nd Edition screenshot 5

Discover and identify over 930 bird species in North America with detailed artwork, descriptions, and distribution maps. Features smart search filters, bird calls, and personal list management for birdwatchers of all levels.

What We Love

  • 🚀 Easy to navigate
  • 👍 Fantastic illustrations
  • 🚀 Offline functionality
  • 👍 Comprehensive information
  • 👍 Useful comparison tool
  • 👍 Ability to filter by location and season

Room to Improve

  • 🐛 Crashes when scrolling
  • 🐛 Inaccurate color representation
  • 🐛 Glitchy scrolling and navigation
  • 🐛 Outdated range maps
  • 🐛 Lack of eBird integration
  • 💰 Paid upgrade required for existing users

More Bird Field Guide apps to explore

FAQ about Bird Field Guide

What are the best bird field guide apps for iPhone?
Audubon Bird Guide tops our bird field guide apps ranking as of September 2026, with a 4.3-star average from 4.5K App Store ratings, and it's free to download.
Yes — 16 of the top bird field guide apps we rank are free to download, including Audubon Bird Guide and Merlin Bird ID by Cornell Lab.
Audubon Bird Guide shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 240+ bird field guide apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The Audubon Bird Guide app serves as a comprehensive field guide for identifying and learning about over 800 species of North American birds. It helps users identify birds they see, track their sightings, and discover new birds and birding locations.
Key features include an all-new Bird ID tool that suggests matches based on your observations, detailed profiles with over 3,000 photos and eight hours of audio, a Sightings feature to log birds you've seen, and information on nearby birding hotspots.