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Best NASA Eyes Alternatives in 2026

Free#23 of 34 in Astronomy Apps

The top NASA Eyes alternatives are Stellarium, KStars and WorldWide Telescope: 15 astronomy apps our editors would look at instead of NASA Eyes, in our ranking order.

6.7/10Editor score

Visit NASA Eyes

NASA Eyes6.7 Visit NASA Eyes

15 alternatives
Updated Oct 2026
Our NASA Eyes verdict

NASA Eyes: A free, browser-based NASA experience for exploring missions, planets, Earth data, and space science. Where it falls short: requires an internet connection for browser-based access.

Switching from NASA Eyes? For most astronomy apps buyers the best NASA Eyes alternative is Stellarium, built for free desktop planetarium and telescope control. Luminos Pro offers the most catalog size (2.5e+08 objects).

Why People Look for an NASA Eyes Alternative

Requires an internet connection for browser-based access
No AR sky view for identifying objects in the real sky
Does not provide telescope control or supported downloadable desktop apps
No offline access — 11 of the alternatives below have it
No aR sky view — 8 of the alternatives below have it

Quick Picks by What You Need

Best overallStellarium9.3
Free desktop planetarium and telescope control
Visit Stellarium
Best free optionStellarium9.3
Has a free plan
Visit Stellarium
Most catalog sizeLuminos Pro7.9
2.5e+08 objects
Visit Luminos Pro
Best for offline accessStellarium9.3
Offline access (NASA Eyes: no)
Visit Stellarium

All 15 NASA Eyes Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

1
Stellarium
Best forFree desktop planetarium and telescope control
- Better than NASA Eyes:
- Offline access
- Telescope control
- Editor score 9.3 vs 6.7
A capable free desktop planetarium with telescope control, scripting, and offline access.
- Telescope control
- Mission tracking
- Offline access
Free plan Our Stellarium verdict → Visit Stellarium
9.3/10★★★★★
Visit Stellarium
2
KStars
Best forFree astronomy and astrophotography workflows
- Better than NASA Eyes:
- Offline access
- Telescope control
- Editor score 9.2 vs 6.7
A capable free desktop toolkit for sky simulation, planning, and astrophotography.
- Telescope control
- Offline access
- Learning content
Free plan Our KStars verdict → Visit KStars
9.2/10★★★★★
Visit KStars
3
WorldWide Telescope
Best forFree visualization, tours, and telescope projects
- Better than NASA Eyes:
- Telescope control
- Editor score 9.1 vs 6.7
A free, open-source astronomy platform for visualization, tours, and telescope projects.
- Telescope control
- Mission tracking
- Learning content
Free plan Our WorldWide Telescope verdict → Visit site
9.1/10★★★★★
Visit site
4
SkyPortal
Best forFree Celestron telescope users and learners
- Better than NASA Eyes:
- AR sky view
- Telescope control
- Editor score 8.8 vs 6.7
A free mobile astronomy guide with AR viewing, learning content, and Celestron telescope control.
- Telescope control
- AR sky view
- Learning content
Free plan Our SkyPortal verdict → Visit Celestron
8.8/10★★★★☆
Visit Celestron
5
Star Walk 2
Best forMobile learners exploring the night sky
- Better than NASA Eyes:
- Offline access
- AR sky view
- Editor score 8.7 vs 6.7
A mobile sky guide pairing AR object identification with astronomy learning content.
- AR sky view
- Mission tracking
- Offline access
Free plan Our Star Walk 2 verdict → Visit Star Walk 2
8.7/10★★★★☆
Visit Star Walk 2
6
Sky Tonight
Best forMobile stargazers planning what to see tonight
- Better than NASA Eyes:
- AR sky view
- Editor score 8.6 vs 6.7
A free mobile sky guide combining object identification, AR, and observing plans.
- AR sky view
- Learning content
Free plan Our Sky Tonight verdict → Visit Sky Tonight
8.6/10★★★★☆
Visit Sky Tonight
7
Heavens-Above
Best forSatellite watchers and ISS trackers
- Better than NASA Eyes:
- Offline access
- Editor score 8.5 vs 6.7
A focused, free-to-start choice for tracking ISS and satellite passes.
- Mission tracking
- Offline access
Free plan Our Heavens-Above verdict → Visit Heavens-Above
8.5/10★★★★☆
Visit Heavens-Above
8
Solar System Scope
Best forAffordable solar-system learning across platforms
- Better than NASA Eyes:
- Offline access
- AR sky view
- Editor score 8.4 vs 6.7
A cross-platform astronomy app combining real-time simulation, learning content, and mobile sky pointing.
- AR sky view
- Mission tracking
- Offline access
Free plan Our Solar System Scope verdict → Visit site
8.4/10★★★★☆
Visit site
9
Luminos Pro
Best forApple users wanting rich AR and telescope features
- Better than NASA Eyes:
- Offline access
- AR sky view
- Telescope control
A feature-rich astronomy app for Apple users who want observation tools beyond sky maps.
- Telescope control
- AR sky view
- Mission tracking
Free plan · 30-day trial Our Luminos Pro verdict → Visit Luminos Pro
7.9/10★★★★☆
Visit Luminos Pro
10
SkySafari
Best forSerious observers wanting broad telescope tools
- Better than NASA Eyes:
- Offline access
- AR sky view
- Telescope control
A paid astronomy app with strong telescope control, planning, and astrophotography tools.
- Telescope control
- AR sky view
- Mission tracking
Our SkySafari verdict → Visit SkySafari
7.9/10★★★★☆
Visit SkySafari
11
Sky Guide
Best forOffline iPhone and Mac sky identification
- Better than NASA Eyes:
- Offline access
- AR sky view
- Editor score 7.9 vs 6.7
A capable offline sky guide with AR overlays, event tracking, and paid catalog expansions.
- AR sky view
- Mission tracking
- Offline access
Free plan Our Sky Guide verdict → Visit Sky Guide
7.9/10★★★★☆
Visit Sky Guide
12
Starmap
Best foriOS observers who want detailed charts and equipment tools
- Better than NASA Eyes:
- Offline access
- Editor score 7.9 vs 6.7
A free iOS and macOS sky atlas with deep catalogs and equipment field-of-view tools.
- Offline access
Free plan Our Starmap verdict → Visit Starmap
7.9/10★★★★☆
Visit Starmap
13
Gaia Sky
Best forData-rich scientific astronomy exploration
- Better than NASA Eyes:
- Offline access
- Editor score 7.9 vs 6.7
A deep scientific astronomy explorer for desktop users who value data over simplicity.
- Mission tracking
- Offline access
- Learning content
Free plan Our Gaia Sky verdict → Visit Gaia Sky
7.9/10★★★★☆
Visit Gaia Sky
14
Aladin Desktop
Best forAstronomical image and survey analysis
- Better than NASA Eyes:
- Editor score 7.8 vs 6.7
A free, open-source desktop atlas for exploring images, surveys, catalogs, and astronomy data.
- Learning content
Free plan Our Aladin Desktop verdict → Visit Aladin Desktop
7.8/10★★★★☆
Visit Aladin Desktop
15
Night Sky
Best forFeature-rich mobile stargazing and learning
- Better than NASA Eyes:
- Offline access
- AR sky view
- Editor score 7.7 vs 6.7
A broad astronomy app combining sky identification, AR, learning, missions and AI guidance.
- AR sky view
- Mission tracking
- Offline access
Free plan Our Night Sky verdict → Visit Night Sky
7.7/10★★★★☆
Visit Night Sky

NASA Eyes Alternatives: Common Questions

What is the best alternative to NASA Eyes?

Stellarium: #1 in our Astronomy Apps ranking, with an editor score of 9.3 out of 10. A capable free desktop planetarium with telescope control, scripting, and offline access.

Is there a free alternative to NASA Eyes?

Yes. Stellarium, KStars, WorldWide Telescope, SkyPortal and Star Walk 2 have a free plan or a free tier (14 of the 15 alternatives on this page).

Why do people look for NASA Eyes alternatives?

Requires an internet connection for browser-based access; No AR sky view for identifying objects in the real sky; Does not provide telescope control or supported downloadable desktop apps.

Which NASA Eyes alternative has the most catalog size?

Luminos Pro, with 2.5e+08 objects.

How do I switch from NASA Eyes?

Export your data from NASA Eyes (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel NASA Eyes.

How to Switch from NASA Eyes

Export your data from NASA Eyes (most tools have an export in their settings).
Sign up for the alternative; start on its free plan or trial if it has one.
Import your export and set up the integrations your team relies on.
Run both side by side for a short while, then cancel NASA Eyes.

NASA Eyes vs Each Alternative

#	Tool	Free plan	Paid from	Offline access	Platform coverage	AR sky view	Telescope control	Score
23	NASA Eyes	Yes	Free	No	Cross-platform	No	No	6.7
1	Stellarium	Yes	Free	Yes	Desktop		Yes	9.3
2	KStars	Yes	Free	Yes	Desktop		Yes	9.2
3	WorldWide Telescope	Yes	Free	No	Cross-platform		Yes	9.1
4	SkyPortal	Yes	Free		Mobile	Yes	Yes	8.8
5	Star Walk 2	Yes		Yes	Mobile	Yes		8.7
6	Sky Tonight	Yes			Mobile	Yes		8.6
7	Heavens-Above	Yes		Yes	Cross-platform			8.5
8	Solar System Scope	Yes	$9.80 one-time	Yes	Cross-platform	Yes		8.4
9	Luminos Pro	Yes		Yes	Mobile	Yes	Yes	7.9
10	SkySafari	No	$6.99 one-time	Yes	Mobile	Yes	Yes	7.9
11	Sky Guide	Yes		Yes	Cross-platform	Yes		7.9
12	Starmap	Yes	Free	Yes	Mobile		No	7.9
13	Gaia Sky	Yes	Free	Yes	Desktop			7.9
14	Aladin Desktop	Yes	Free		Desktop			7.8
15	Night Sky	Yes		Yes	Cross-platform	Yes		7.7

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update