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Education · head to head

Merlin Bird ID vs SkySafari

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
SkySafari logo

SkySafari

Education

Astronomy app sold in three tiered editions, from a cheap star chart to telescope control

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Merlin Bird ID has a free tier, so it costs nothing to try first.
  • 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.; SkySafari the three tiers are separate purchases, so upgrading from Basic to Plus or Pro later means buying again rather than paying the price difference.
  • They diverge on capability: Merlin Bird ID covers Sound ID, SkySafari covers Tiered editions.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Merlin Bird ID and SkySafari differ
AttributeMerlin Bird IDSkySafari
Starting priceFreeOn request
Pricing modelFree, no ads and no in-app purchasesOne-time purchase per tier
Free tierYesNo
PlatformsiOS, AndroidiOS, Android, macOS

Identical on both: 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 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 SkySafari

  • Tiered editions
  • Telescope control
  • Large object catalogue
  • Event finder
  • Observing log
  • Time control

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 SkySafari
  • A birdwatcher building a life list who wants identification tied to real regional sighting datanot SkySafari
  • Someone teaching a child to identify birds without exposing them to ads or a paywallnot SkySafari
  • A hiker who wants offline bird identification in an area with no signalnot SkySafari

SkySafari

  • An amateur astronomer with a motorised telescope mount who needs live control from a phone or tabletnot Merlin Bird ID
  • A serious hobbyist who wants a deep-sky catalogue far larger than a casual sky map app providesnot Merlin Bird ID
  • Someone planning an observing session who wants an event finder for conjunctions and eclipsesnot Merlin Bird ID
  • A buyer choosing Basic first as a cheap star chart with no intention of telescope controlnot 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.

SkySafari

  • The three tiers are separate purchases, so upgrading from Basic to Plus or Pro later means buying again rather than paying the price difference.
  • Even the Basic tier costs more than a comparable free or freemium app like Star Walk 2 for a casual user.
  • Telescope control only works with compatible motorised mounts, so it is useless to someone with a manual telescope or no telescope at all.
  • Pricing fluctuates with frequent promotional sales, so the list price is not a reliable guide to what most buyers actually pay.
  • The interface, particularly on the Pro tier, has a steeper learning curve than a simple AR sky map app aimed at casual users.

Pricing, plan by plan

Merlin Bird ID

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

SkySafari

On request
  • SkySafari Basic$4.99/one-time
    • Core star chart
    • Modest object catalogue
    • No telescope control
  • SkySafari Plus$14.99/one-time
    • About 2.5 million stars and 32,000 deep-sky objects
    • Telescope control
    • Event finder and observing log
  • SkySafari Pro$29.99/one-time
    • Largest catalogue tier
    • Telescope control
    • Advanced observation planning tools

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 SkySafari if

  • You need tiered editions.
  • You work on iOS, Android, macOS.
  • You also want telescope control.
SkySafari review

Questions people ask

Is Merlin Bird ID or SkySafari better?
Neither clearly leads. Merlin Bird ID starts at Free and SkySafari at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Merlin Bird ID or SkySafari?
Merlin Bird ID has a free tier; the other does not. Paid plans start at Free for Merlin Bird ID and On request for SkySafari.
Does Merlin Bird ID or SkySafari run on more platforms?
Merlin Bird ID runs on iOS, Android. SkySafari runs on iOS, Android, macOS.
Can I use Merlin Bird ID for free?
Yes. Merlin Bird ID has a free tier, so you can try it without paying. SkySafari starts at On request.
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 SkySafari is typically brought in for.
What can Merlin Bird ID do that SkySafari cannot?
Merlin Bird ID covers Sound ID, Photo ID, Step-by-step ID, Offline regional packs. SkySafari covers Tiered editions, Telescope control, Large object catalogue, Event finder.

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.

SkySafari: What is the difference between Basic, Plus and Pro?

Basic is a simple star chart, Plus adds a much larger catalogue and telescope control, and Pro adds an even larger catalogue and advanced planning tools.

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.

SkySafari: Can I upgrade from Basic to Plus later?

Not as a discounted upgrade; each tier is sold as a separate one-time purchase.

Merlin Bird ID: Does it work offline?

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

SkySafari: Does it work with any telescope?

Only telescopes with compatible motorised mounts and a supported connection method can be controlled from the app.

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