Compare software

N2YO vs tracker: catalog facts
N2YO	tracker
Free Free to use in the browser.	Free Free and open source under the Apache-2.0 license.
Web	Windows, macOS, Linux, Command line
Tracks tens of thousands of objects in real time Pass predictions for your own location	Shows satellite positions and trajectories in real time Includes a sky view and continuous world map
Busy page with news and partner links Requires an internet connection	Uses a terminal interface Automatic orbital data updates use CelesTrak
Web application	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.