PTin1 an ipad app for personal trainers to log clients

This is what PTin1 was looking for in their logo design

The app will include a log facility of workouts, graphs, and charts.
All data on clients can be logged and compared.
We are looking to approach big gyms ie Fitness First,Virgin to use the app which will be designed for the ipad.
The app would have the individual gym brand/name at the top and our logo.
Must be very slick and simple we are looking at RED/BLACK/WHITE
some sample font/sites we like;

http://www.m10fitness.co.uk/
www.upfitness.co.uk

Also attached a few thoughts
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