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Best SkyPortal Alternatives in 2026

12 apps from astronomy apps ranked against SkyPortal on the same published basis.

  1. 1
    NASA Eyes Free plan AndroidiOSLinuxMacWeb Free7.5
    SkyPortal vs NASA Eyes
  2. 2
    Solar System Scope Free plan AndroidiOSMacWebWin Free7.5
    SkyPortal vs Solar System Scope
  3. 3
    Cosmic Watch Free plan AndroidiOSMac $0.42/mo7.3
    SkyPortal vs Cosmic Watch
  4. 4
    Night Sky Free plan AndroidiOSMac Free7.2
    SkyPortal vs Night Sky
  5. 5
    Seestar App AndroidiOSMacWin 6.8
    SkyPortal vs Seestar App
  6. 6
    UNISTELLAR App AndroidiOS 6.6
    SkyPortal vs UNISTELLAR App
  7. 7
    Luminos Pro Free trial iOSMac $3/mo6.5
    SkyPortal vs Luminos Pro
  8. 8
    SkySafari Free trial AndroidiOSMacWeb 6.4
    SkyPortal vs SkySafari
  9. 9
    Star Chart Free plan AndroidiOSMacWin Free6.2
    SkyPortal vs Star Chart
  10. 10
    Star Chart WinMaciOSAndroid 6.1
    SkyPortal vs Star Chart
  11. 11
    Gaia Sky WinMacLinux 6.0
    SkyPortal vs Gaia Sky
  12. 12
    Aladin Desktop WinMacLinux 5.9
    SkyPortal vs Aladin Desktop
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