Works well for finding satellites in the sky
This is a great free app for tracking satellites. I have had absolutely no trouble with it. It is accurate and easy to use. I used it this morning to find and watch the International Space Station travel overhead. The app tells you exactly when and where it will appear on a simple sky map.
It is able to download the two-line element set files from the Internet, so its always up to date.
There are other satellite trackers, especially for following NASA missions and the ISS in particular, but this one is my favorite. ISS Lite is good for getting a feel for where the satellite is currently located (great graphics), and the NASA App has lots of other info about the missions, but this app is the best at helping you find a satellite in the sky.
Highly recommended!
Doug Weathers about
Satellite Tracker