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Education · head to head

Brilliant vs Merlin Bird ID

Brilliant logo

Brilliant

Education

Learn math and science through problem-solving

From
Free
Rated
-
Full reviewWebsite
Merlin Bird ID logo

Merlin Bird ID

Education

Free bird identification app from Cornell Lab of Ornithology using photo, sound and step-by-step ID

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Brilliant requires active daily engagement to maintain learning streaks, which can feel gamified; Merlin Bird ID it only identifies birds, so it is not useful for plants, insects or other wildlife the way a general nature app is.
  • They diverge on capability: Brilliant covers Interactive lessons, Merlin Bird ID covers Sound ID.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Brilliant and Merlin Bird ID actually diverge.

Attributes where Brilliant and Merlin Bird ID differ
AttributeBrilliantMerlin Bird ID
Pricing modelUnknownFree, no ads and no in-app purchases
PlatformsWeb, iOS, AndroidiOS, Android
Founded2012Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Education).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Brilliant

  • Interactive lessons
  • Problem-solving
  • Daily challenges
  • Progress tracking
  • Guided paths
  • Offline access
  • Mobile learning
  • Mobile apps

Only in Merlin Bird ID

  • Sound ID
  • Photo ID
  • Step-by-step ID
  • Offline regional packs
  • eBird-linked suggestions
  • No account required for basic use

What people use each for

The jobs each tool is most often brought in to do.

Brilliant

  • Math learningnot Merlin Bird ID
  • Science educationnot Merlin Bird ID
  • Programming basicsnot Merlin Bird ID
  • Problem-solving skillsnot Merlin Bird ID

Merlin Bird ID

  • A casual walker who hears a bird and wants to know what it is without paying for an appnot Brilliant
  • A birdwatcher building a life list who wants identification tied to real regional sighting datanot Brilliant
  • Someone teaching a child to identify birds without exposing them to ads or a paywallnot Brilliant
  • A hiker who wants offline bird identification in an area with no signalnot Brilliant

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Brilliant

  • Requires active daily engagement to maintain learning streaks, which can feel gamified
  • Premium subscription needed for full course access; basic free tier is limited
  • Focuses only on STEM subjects; no humanities or social sciences
  • Interactive nature requires more time commitment than passive video learning

Merlin Bird ID

  • It only identifies birds, so it is not useful for plants, insects or other wildlife the way a general nature app is.
  • Sound ID can struggle in noisy environments or with overlapping bird calls, since it depends on a clean audio signal.
  • Being a free institutional project, feature releases and interface polish move more slowly than a funded commercial app.
  • Photo ID accuracy drops for juvenile birds, moulting birds or poor-quality photos, more so than for well-lit adult specimens.
  • It has no social or gamified layer, so users who want streaks, badges or a community feed will find it plain by comparison.

Pricing, plan by plan

Brilliant

Free
  • Premium Monthly$24.99/month
    • Access to all 90+ courses
    • No ads
  • Premium Annual$150/year
    • Access to all 90+ courses
    • No ads

Merlin Bird ID

Free
  • Merlin Bird IDFree
    • All identification modes included
    • Offline regional bird packs
    • No account required for identification

Which should you pick?

Choose Brilliant if

  • You need interactive lessons.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want problem-solving.
Brilliant review

Choose Merlin Bird ID if

  • You need sound id.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want photo id.
Merlin Bird ID review

Questions people ask

Is Brilliant or Merlin Bird ID better?
Neither clearly leads. Brilliant starts at Free and Merlin Bird ID at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Brilliant or Merlin Bird ID?
Brilliant starts at Free and Merlin Bird ID at Free.
Does Brilliant or Merlin Bird ID run on more platforms?
Brilliant runs on Web, iOS, Android. Merlin Bird ID runs on iOS, Android.
Can I use Brilliant for free?
Both have a free tier, so you can try either at no cost before committing.
What is Brilliant best used for?
Brilliant is most often used for math learning, science education, programming basics, problem-solving skills. Of those, math learning and science education are not what Merlin Bird ID is typically brought in for.
What can Brilliant do that Merlin Bird ID cannot?
Brilliant covers Interactive lessons, Problem-solving, Daily challenges, Progress tracking. Merlin Bird ID covers Sound ID, Photo ID, Step-by-step ID, Offline regional packs.

Answered from the vendors’ own pages

Brilliant: Does Brilliant offer offline learning?

Yes. The Brilliant mobile app allows users to download lessons and learn without internet connection.

Source
Merlin Bird ID: Is Merlin Bird ID really free with no catch?

Yes. It has no ads, no in-app purchases and no subscription; it is funded by the Cornell Lab of Ornithology as a research and outreach tool.

Brilliant: Is there a free tier for Brilliant?

Yes. Brilliant offers a free basic tier with access to some courses. K-12 teachers and their students can qualify for free Premium access.

Source
Merlin Bird ID: How is it different from eBird?

Merlin identifies birds; eBird is where you log checklists and sightings that feed the research database Merlin draws its suggestions from.

Brilliant: What subject areas does Brilliant cover?

Brilliant covers over 90 courses across mathematics, computer science, physics, chemistry, and data science, taught by experts from MIT, Harvard, Google, and Microsoft.

Source
Merlin Bird ID: Does it work offline?

Yes, once you download the regional bird pack for your area.

Brilliant: How does Brilliant's teaching approach differ from video lectures?

Brilliant emphasizes active learning through interactive problem-solving rather than passive video watching, similar to Duolingo's gamified approach.

Source
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