ISS Detector vs Sky Tonight

ISS Detector plans

• ISS Detector Satellite TrackerFree
• ISS Detector Pro$17.99, paid once

Sky Tonight plans

No prices published.

Pick ISS Detector if…

It suits people who want alerts and local conditions for ISS sightings, as well as users interested in tracking other listed objects. Amateur radio satellite followers may value the transmitter and Doppler details.

Pick Sky Tonight if…

You want what its maker publishes above — check its page for the details.