IGC Reader 1.0

the author of this app says:

IGC Reader is an iPhone, iPod Touch, and iPad application to view and play IGC flight log files. You can open IGC files from websites or import them via iTunes and other supported applications.

Features:
- Visualise flights
- See altitude, rate of climb and speed at any given location.
- Metric, imperial & nautical units
- Replay a flight
- Universal: suited for iPhone/iPod and iPad
- Baro view
- Different map views
- Zoom in on map or baro.

There are three ways to import an IGC file:
- Directly from a website
- Copy & paste an URL
- With iTunes

You can find more info in this website: http://igcreader.com

Requirements

Requires iOS 4.0 or later.