Education · head to head
eBird vs Stellarium
eBird
Education
Free citizen-science checklist app from Cornell Lab of Ornithology for logging bird sightings
- From
- Free
- Rated
- -
Stellarium
Education
Free open source desktop planetarium software, distinct from the paid Stellarium Mobile Plus app
- From
- Free
- Rated
- -
The short version
- Each has a real cost: eBird it does not identify birds for you, so a beginner needs Merlin or field guide knowledge alongside it.; Stellarium it is desktop-only software, so it has no native touch-optimised phone interface; the similarly named mobile app is a different paid product from a different company.
- They diverge on capability: eBird covers Checklist logging, Stellarium covers Photorealistic sky rendering.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which eBird and Stellarium actually diverge.
| Attribute | eBird | Stellarium |
|---|---|---|
| Pricing model | Free, no ads and no in-app purchases | Open source, no licence fee |
| Platforms | iOS, Android, Web | Windows, macOS, Linux |
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 eBird
- Checklist logging
- Hotspot exploration
- Life list tracking
- Rare bird alerts
- Regional review
- Data used in research
Only in Stellarium
- Photorealistic sky rendering
- Large object catalogue
- Telescope control
- Scripting engine
- Free and open source
- Plugin ecosystem
What people use each for
The jobs each tool is most often brought in to do.
eBird
- A birder who wants to keep a searchable life list across every location they have visitednot Stellarium
- Someone wanting alerts when a rare species is reported nearbynot Stellarium
- A researcher or land manager pulling public sighting data for a specific regionnot Stellarium
- A group leading a birding outing who wants to log a shared checklist for the tripnot Stellarium
Stellarium
- A student or educator wanting a serious, scriptable planetarium tool without a budget line itemnot eBird
- An amateur astronomer wanting telescope control from desktop software they can inspect and modifynot eBird
- Someone running a planetarium display or public astronomy event on a scripted shownot eBird
- A hobbyist who wants a large object catalogue without paying a subscription, and does not need a phone appnot eBird
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
eBird
- It does not identify birds for you, so a beginner needs Merlin or field guide knowledge alongside it.
- Data quality depends on volunteer regional review, so unusual sightings can take time to verify or may be rejected.
- The interface is built for structured data entry rather than casual browsing, which some users find less inviting than a photo-first app.
- Hotspot and rare bird alert usefulness varies heavily by region, since it depends on local birder density submitting checklists.
- As a research tool first, some workflows such as trip list exports and taxonomy changes prioritise data accuracy over ease of use.
Stellarium
- It is desktop-only software, so it has no native touch-optimised phone interface; the similarly named mobile app is a different paid product from a different company.
- As a volunteer-maintained open source project, support is community-based rather than a guaranteed commercial help desk.
- The interface, while capable, is less immediately intuitive for a first-time user than a polished commercial phone app.
- Telescope control and some advanced plugins require additional setup that a non-technical user may find fiddly.
- Because it shares a name with the unrelated paid Stellarium Mobile Plus app, buyers researching pricing online can easily conflate the two products.
Pricing, plan by plan
eBird
Free- eBirdFree
- Unlimited checklist logging
- Hotspot and rare bird alerts
- Web and mobile access
Stellarium
Free- Stellarium DesktopFree
- Full software, GPL licensed
- No account, ads or subscription
- Community-developed plugins
Which should you pick?
Choose eBird if
- You need checklist logging.
- You want to start without paying.
- You work on iOS, Android, Web.
- You also want hotspot exploration.
Choose Stellarium if
- You need photorealistic sky rendering.
- You want to start without paying.
- You work on Windows, macOS, Linux.
- You also want large object catalogue.
Questions people ask
- Is eBird or Stellarium better?
- Neither clearly leads. eBird starts at Free and Stellarium at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, eBird or Stellarium?
- eBird starts at Free and Stellarium at Free.
- Does eBird or Stellarium run on more platforms?
- eBird runs on iOS, Android, Web. Stellarium runs on Windows, macOS, Linux.
- Can I use eBird for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is eBird best used for?
- eBird is most often used for a birder who wants to keep a searchable life list across every location they have visited, someone wanting alerts when a rare species is reported nearby, a researcher or land manager pulling public sighting data for a specific region, a group leading a birding outing who wants to log a shared checklist for the trip. Of those, a birder who wants to keep a searchable life list across every location they have visited and someone wanting alerts when a rare species is reported nearby are not what Stellarium is typically brought in for.
- What can eBird do that Stellarium cannot?
- eBird covers Checklist logging, Hotspot exploration, Life list tracking, Rare bird alerts. Stellarium covers Photorealistic sky rendering, Large object catalogue, Telescope control, Scripting engine.
Answered from the vendors’ own pages
eBird: Is eBird free?
Yes, entirely, with no ads or paid tier, funded by the Cornell Lab of Ornithology.
Stellarium: Is Stellarium really free?
The desktop software is free and open source under the GPL licence. The separate mobile app, Stellarium Mobile Plus, is a different paid product.
eBird: Does eBird identify birds?
No, it records checklists of species you already believe you saw; Merlin Bird ID handles identification.
Stellarium: Is the mobile app made by the same team?
No. Stellarium Mobile Plus is built by Noctua Software, a different company, and is sold on subscription.
eBird: Who uses the data?
Researchers, conservation organisations and government agencies use eBird data to study migration and population trends.
Stellarium: What platforms does the free version run on?
Windows, macOS and Linux desktop.
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