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Education · head to head

Merlin Bird ID vs Microsoft OneNote

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
Microsoft OneNote logo

Microsoft OneNote

Productivity

Microsoft's free-form notebook, free with a Microsoft account and synced through OneDrive

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: 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.; Microsoft OneNote notes live in a proprietary notebook format on OneDrive or SharePoint and the only exports are a OneNote file, a PDF or a Word document, produced section by section, so a large notebook is effectively unmovable to any other tool.
  • They diverge on capability: Merlin Bird ID covers Sound ID, Microsoft OneNote covers Free-form page canvas.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Merlin Bird ID and Microsoft OneNote differ
AttributeMerlin Bird IDMicrosoft OneNote
Pricing modelFree, no ads and no in-app purchasesfreemium
PlatformsiOS, AndroidWeb, IOS, Android, MacOS, Windows
CategoryEducationProductivity
FoundedUnknown1975

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

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 Merlin Bird ID

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

Only in Microsoft OneNote

  • Free-form page canvas
  • Notebook hierarchy
  • Indexed handwriting
  • Audio recording
  • Web clipper and Outlook capture
  • Shared notebooks
  • Cross-platform clients
  • Tags and cross-notebook search

What people use each for

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

Merlin Bird ID

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

Microsoft OneNote

  • Handwritten notes on a pen tablet that you still need to find months later by searching for a word you wrote.not Merlin Bird ID
  • Lecture or meeting notes where a recording needs to line up with what you were typing at the time.not Merlin Bird ID
  • A team already inside Microsoft 365 that needs a shared notebook without buying anything or seeking approval.not Merlin Bird ID
  • Collecting mixed material such as screenshots, clippings and sketches on one page, where a document editor would force a linear structure.not Merlin Bird ID

Where each one falls short

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

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.

Microsoft OneNote

  • Notes live in a proprietary notebook format on OneDrive or SharePoint and the only exports are a OneNote file, a PDF or a Word document, produced section by section, so a large notebook is effectively unmovable to any other tool.
  • Personal notebooks consume OneDrive quota, which is 5 GB on a free Microsoft account, so a notebook full of scans, images and recordings quietly exhausts the whole account including the space Outlook needs for mail.
  • Sync happens at section level and conflicts are resolved by placing both versions on the page, so simultaneous edits to a large or media-heavy section produce duplicated content that somebody has to merge by hand.
  • Search behaves differently across clients, so what the Windows desktop app finds inside handwriting, images and attachments is not necessarily what the browser or mobile version finds, and the same query gives different answers on different devices.
  • There is no relational structure, no database and no properties, so anything that needs a table of records with fields has to be maintained by hand or moved elsewhere, and OneNote's own tables cannot be queried or filtered.

Pricing, plan by plan

Merlin Bird ID

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

Microsoft OneNote

Free

No published plan breakdown. See the Microsoft OneNote review.

Which should you pick?

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

Choose Microsoft OneNote if

  • You need free-form page canvas.
  • You want to start without paying.
  • You work on Web, IOS, Android, MacOS, Windows.
  • You also want notebook hierarchy.
Microsoft OneNote review

Questions people ask

Is Merlin Bird ID or Microsoft OneNote better?
Neither clearly leads. Merlin Bird ID starts at Free and Microsoft OneNote at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Merlin Bird ID or Microsoft OneNote?
Merlin Bird ID starts at Free and Microsoft OneNote at Free.
Does Merlin Bird ID or Microsoft OneNote run on more platforms?
Merlin Bird ID runs on iOS, Android. Microsoft OneNote runs on Web, IOS, Android, MacOS, Windows.
Can I use Merlin Bird ID for free?
Both have a free tier, so you can try either at no cost before committing.
What is Merlin Bird ID best used for?
Merlin Bird ID is most often used for a casual walker who hears a bird and wants to know what it is without paying for an app, a birdwatcher building a life list who wants identification tied to real regional sighting data, someone teaching a child to identify birds without exposing them to ads or a paywall, a hiker who wants offline bird identification in an area with no signal. Of those, a casual walker who hears a bird and wants to know what it is without paying for an app and a birdwatcher building a life list who wants identification tied to real regional sighting data are not what Microsoft OneNote is typically brought in for.
What can Merlin Bird ID do that Microsoft OneNote cannot?
Merlin Bird ID covers Sound ID, Photo ID, Step-by-step ID, Offline regional packs. Microsoft OneNote covers Free-form page canvas, Notebook hierarchy, Indexed handwriting, Audio recording.

Answered from the vendors’ own pages

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.

Microsoft OneNote: Is OneNote really free?

Yes. The application is free with a Microsoft account, with no time limit and no feature gate. What you may end up paying for is the OneDrive storage the notebooks consume.

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.

Microsoft OneNote: Can I keep notebooks off Microsoft's cloud?

The Windows desktop app can keep local notebooks, but they will not sync to other devices and any shared access requires OneDrive or SharePoint.

Merlin Bird ID: Does it work offline?

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

Microsoft OneNote: How do I get my notes out?

Section by section as a OneNote file, a PDF or a Word document. A OneNote package preserves a whole notebook but only for another copy of OneNote. Third-party converters exist and the page layout usually does not survive them.

Microsoft OneNote: Which version should I install?

Microsoft consolidated onto a single OneNote application on Windows after retiring the Store version, so install the one distributed with Microsoft 365 rather than looking for an alternative.

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