Inferse
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your platform
Vendor dashboard

Best OpenSpace Alternatives in 2026

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

  1. 1
    Cosmic Watch Free plan AndroidiOSMac $0.42/mo6.0
    OpenSpace vs Cosmic Watch
  2. 2
    Luminos Pro Free trial iOSMac $3/mo6.0
    OpenSpace vs Luminos Pro
  3. 3
    Solar System Scope Free plan AndroidiOSMacWebWin Free6.0
    OpenSpace vs Solar System Scope
  4. 4
    NASA Eyes Free plan AndroidiOSLinuxMacWeb Free5.9
    OpenSpace vs NASA Eyes
  5. 5
    Night Sky Free plan AndroidiOSMac Free5.9
    OpenSpace vs Night Sky
  6. 6
    UNISTELLAR App AndroidiOS 5.9
    OpenSpace vs UNISTELLAR App
  7. 7
    DWARFLAB App iOSAndroid 5.6
    OpenSpace vs DWARFLAB App
  8. 8
    Seestar App AndroidiOSMacWin 5.6
    OpenSpace vs Seestar App
  9. 9
    Sky Guide iOSMac 5.6
    OpenSpace vs Sky Guide
  10. 10
    SkyPortal iOSAndroid 5.6
    OpenSpace vs SkyPortal
  11. 11
    Star Chart WinMaciOSAndroid 5.6
    OpenSpace vs Star Chart
  12. 12
    Star Walk 2 iOSAndroid 5.6
    OpenSpace vs Star Walk 2
Make your platform an alternative to OpenSpace

The sponsored alternative slot on this page is labelled and never changes the order above.

See the price