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Merlin Bird ID

Merlin Bird ID helps you identify birds by answering questions, uploading photos, or recording sounds.

Checked 5 Oct 2026 Reviewed by Alex Listed since September 2024

Screenshot of Merlin Bird ID

At a glance

Starts at Free No paid plan found on the App Store, September 2026.
Free tier Yes
Platforms iOS
Best for Birdwatchers who want to learn more about bird species.
Not for Birdwatchers Who Rely Solely On Sight

3.9 out of 5

Scored by Alex after real use

Our verdict

Best for beginners and casual users. Avoid if you can easily identify birds without help.

✓What it does well

Expert TipsOffers expert ID tips and range maps to enhance birding skills.
Photo & Sound IDUses machine learning for photo and sound identification, improving accuracy over time.
Personalized ListsProvides customized lists of birds based on your location or travels.

✕Where it falls short

Limited Offline AccessDoes not offer extensive offline bird databases, requiring internet for full functionality.
Region RestrictionsContent is limited to certain regions and may exclude rare or local species from your area.
Not Suitable For Sight Identification OnlyThe app struggles with bird identification based solely on visual sightings without additional context.

Key features

Free AppAvailable for free, funded by donations and citizen-science contributions.
Multiple Identification MethodsOffers four methods: questions, photos, sounds, or regional exploration.
Bird of the DayGives users a new bird species to learn about each day.
Offline ModeAllows use without internet connection.

Questions about Merlin Bird ID

How does Merlin Bird ID identify birds?

Merlin Bird ID offers four ways to identify a bird: answering questions, uploading photos, recording sounds or exploring by region. It uses machine learning for photo and sound identification, and the reviewer notes its accuracy improves over time. It also adds expert ID tips and range maps to help build birding skills.

Is Merlin Bird ID free?

Yes. Merlin Bird ID is free, with its only plan listed at $0 and no paid plan found on the App Store in September 2026. The app is described as funded by donations and citizen-science contributions.

What platforms does Merlin Bird ID support?

Merlin Bird ID is an iOS app on the App Store, and iOS is the only platform Toolio lists for it. Inside the app, users get personalized bird lists based on their location or travels, plus a Bird of the Day feature that introduces a new species each day.

What are the limitations of Merlin Bird ID?

The reviewer notes that Merlin Bird ID struggles to identify birds from visual sightings alone, without additional context. Its content is limited to certain regions and may leave out rare or local species. Toolio lists it as not for birdwatchers who rely solely on sight.

Who is Merlin Bird ID best for?

The reviewer says Merlin Bird ID is best for beginners and casual users, and Toolio lists it for birdwatchers who want to learn more about bird species. Anyone who can already identify birds easily without help may not need it. Alex scored it 3.9 out of 5 on 5 Oct 2026.

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