Co Pilot have told us that they are running a summer sale, giving 10% off their iOS and Android apps, as well as maps. This includes Co-Pilot Europe, Europe HD and Western Europe apps as well.
More details can be found on their blog:
http://blog.copilotlive.com/uk/2013/07/25/sizzling-summer-sale-10-off-copilot/
The offer runs till the end of next week, i.e. 4th of August, 2013.