NASA's Spot the Station app tracks International Space Station passes and provides viewing schedules and alerts for a location.
ISS Tracker
vsLook4Sat
ISS Tracker vs Look4Sat
How do ISS Tracker and Look4Sat compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | ISS Tracker | Look4Sat |
|---|---|---|
| What it is | ISS Tracker shows the location of the International Space Station and other satellites on a live map. | Look4Sat provides an Android satellite tracker and pass predictor, with information sourced from Celestrak. |
| Website | ||
| Type | Website | Open-source project |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Android |
| Open source | Not stated | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both ISS Tracker and Look4Sat.
This site tracks the International Space Station and offers notifications for visible passes at a user's location.
AndroidPlanisphere provides a star chart showing the Sun, Moon, stars, constellations, and planets for a selected location.
Open source
24 alternativesThe azmth tracker follows more than 15,000 satellites orbiting Earth and displays their current positions.
Satellite Map tracks satellites in real time on an interactive 3D map.
Find Starlink helps users calculate when Starlink satellites can be seen overhead, with a live map.






