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Best ISS Detector Alternatives in 2026

Updated

20 tools from astronomy apps ranked against ISS Detector on the same published basis.

  1. 1
    Celestia Free plan AndroidiOSLinuxMacWeb Free7.7
    ISS Detector vs Celestia
  2. 2
    NASA Eyes Free plan AndroidiOSLinuxMacWeb Free7.7
    ISS Detector vs NASA Eyes
  3. 3
    Solar System Scope Free plan AndroidiOSMacWebWin Free7.7
    ISS Detector vs Solar System Scope
  4. 4
    Cosmic Watch Free plan AndroidiOSMac $0.42/mo7.5
    ISS Detector vs Cosmic Watch
  5. 5
    Star Walk 2 Free plan AndroidiOS $0.50/mo7.5
    ISS Detector vs Star Walk 2
  6. 6
    Star Chart Free plan AndroidiOSMacWin Free7.4
    ISS Detector vs Star Chart
  7. 7
    Star Chart Free plan AndroidiOSMacWin Free7.4
    ISS Detector vs Star Chart
  8. 8
    Night Sky Free plan AndroidiOSMac Free7.3
    ISS Detector vs Night Sky
  9. 9
    Seestar App AndroidiOSMacWin 7.2
    ISS Detector vs Seestar App
  10. 10
    SkySafari Free trial AndroidiOSMacWeb 7.2
    ISS Detector vs SkySafari
  11. 11
    Stellarium Free plan LinuxMacWebWin Free7.2
    ISS Detector vs Stellarium
  12. 12
    DWARFLAB App Free plan AndroidiOS Free7.1
    ISS Detector vs DWARFLAB App
  13. 13
    Gaia Sky Free plan LinuxMacWin Free7.1
    ISS Detector vs Gaia Sky
  14. 14
    KStars Free plan LinuxMacWin Free7.1
    ISS Detector vs KStars
  15. 15
    Luminos Pro Free trial iOSMac $3/mo7.1
    ISS Detector vs Luminos Pro
  16. 16
    Singularity Free plan AndroidiOS Free7.1
    ISS Detector vs Singularity
  17. 17
    SkyPortal Free plan AndroidiOS Free6.9
    ISS Detector vs SkyPortal
  18. 18
    Spot the Station Free plan AndroidiOS Free6.9
    ISS Detector vs Spot the Station
  19. 19
    Starmap Free plan iOSMac Free6.9
    ISS Detector vs Starmap
  20. 20
    WorldWide Telescope Free plan apiWebWin Free6.9
    ISS Detector vs WorldWide Telescope

ISS Detector alternatives compared

#ToolScoreFree planFromRuns on
1Celestia7.7Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
2NASA Eyes7.7Free planFreeAndroid, iOS, Linux, Mac, Web, Windows
3Solar System Scope7.7Free planFreeAndroid, iOS, Mac, Web, Windows
4Cosmic Watch7.5Free plan$0.42/moAndroid, iOS, Mac
5Star Walk 27.5Free plan$0.50/moAndroid, iOS
6Star Chart7.4Free planFreeAndroid, iOS, Mac, Windows
7Star Chart7.4Free planFreeAndroid, iOS, Mac, Windows
8Night Sky7.3Free planFreeAndroid, iOS, Mac
9Seestar App7.2No—Android, iOS, Mac, Windows
10SkySafari7.2No—Android, iOS, Mac, Web
11Stellarium7.2Free planFreeLinux, Mac, Web, Windows
12DWARFLAB App7.1Free planFreeAndroid, iOS
13Gaia Sky7.1Free planFreeLinux, Mac, Windows
14KStars7.1Free planFreeLinux, Mac, Windows
15Luminos Pro7.1No$3/moiOS, Mac
16Singularity7.1Free planFreeAndroid, iOS
17SkyPortal6.9Free planFreeAndroid, iOS
18Spot the Station6.9Free planFreeAndroid, iOS
19Starmap6.9Free planFreeiOS, Mac
20WorldWide Telescope6.9Free planFreeAPI, Web, Windows
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Questions about ISS Detector alternatives

What is the best alternative to ISS Detector?

Celestia, number 1 in astronomy apps with a score of 7.7 out of 10. The others here: NASA Eyes, Solar System Scope, Cosmic Watch and 16 more.

What is the best free alternative to ISS Detector?

Celestia is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.