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Look4Sat

The premium Open Source alternative to Heavens-Above

🎯 Best for:Android users needing a privacy-respecting, offline-capable satellite tracker for radio work.
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1.0k
Stars
GPL-3.0License

What is Look4Sat?

A mobile alternative to Heavens-Above for tracking satellites and predicting radio passes. Features offline TLE updates and real-time sky view specifically designed for amateur radio operators on Android.

Tech Stack
KotlinPhysics & Astronomy

Why Look4Sat?

  • • No advertisements
  • • Offline TLE caching
  • • Radio frequency database

Limitations

  • • Android only
  • • UI is functional, not polished
  • • Manual TLE source management
3/2/2026
Last Update
109
Forks
30
Issues
GPL-3.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to Look4Sat instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Heavens-Above)
Self-Hosted
$0
/ year
Team Size10 Users
150+
Launch Detailed Calculator
SAVE 100%

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