Anyone tried and can recommend a motorcycle parking bay app?

Normally i use http://www.parkingforbikes.com/map/onlinemap/ and print out a copy of where i'm going to, but really its a bit silly, and i'd like an app which can point me to motorcycle bays in London.

eg: this one?
http://itunes.apple.com/us/app/bikebays ... 04519?mt=8