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Best Merlin Bird Watching Apps

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

With an average user rating of 3.9★, the merlin bird watching category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Merlin Bird Watching 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
3Birdbuddy: ID & Collect BirdsBirdbuddy: ID & Collect BirdsFree4.8★ (62K)NoYesSep 2026
4Audubon Bird GuideAudubon Bird GuideFree4.3★ (4.5K)YesNoSep 2026
5[bird identifier] by Birdby[bird identifier] by BirdbyFree—NoYesSep 2026
6African Bird ClubAfrican Bird ClubFree—NoYesMay 2026
7Bird Guru: Bird Identifier AIBird Guru: Bird Identifier AIFree—NoYesMay 2026
8AI Bird ID Scan IdentificationAI Bird ID Scan IdentificationFree4.0★ (1)NoYesAug 2026

Top Picks for Merlin Bird Watching

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
#21in Reference
Merlin Bird ID by Cornell Lab screenshot 1
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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
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 4
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
Birdbuddy: ID & Collect Birds#3

Birdbuddy: ID & Collect Birds by Buddy Bird Inc

Identify by photo & sound
Worth Considering
📚 Education
4.8😐(62K ratings)
FreeIn-App Purchases
#83in Education
Birdbuddy: ID & Collect Birds screenshot 1
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Instantly identify bird species using your phone's camera or microphone, or through a smart feeder. Collect digital postcards, learn fascinating facts, and contribute to conservation efforts with this global birdwatching community app.

What We Love

  • 🚀 Great picture quality
  • 👍 Fun and entertaining
  • 🚀 Captures close-up views of birds
  • 👍 Helpful for bird identification

Room to Improve

  • 🐛 Buggy app with poor user interface
  • 🔋 Battery life issues
  • 🔒 Difficult to set up and connect to Wi-Fi
  • 🐛 Inconsistent bird identification
  • 👎 Too many steps to manage photos

More Merlin Bird Watching apps to explore

FAQ about Merlin Bird Watching

What are the best merlin bird watching apps for iPhone?
Merlin Bird ID by Cornell Lab tops our merlin bird watching 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 merlin bird watching 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 250+ merlin bird watching 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.