Tom's GPS 1.0.1
the author of this app says:
This GPS app provides your current position in both UTM and British Ordnance Survey format for use with mapping systems around the world. The display is large and clear to improve visibility in all conditions. Optimal use of the GPS receiver provides extended battery life.
What's New in version 1.0.1
Handling of poor signal condition improved with minor bug fix.
- Requires iOS 4.0 or later.