But if you read their T&C on the app on the phone, it specifically says that you can not use the software unless you agree to the t&c and that part of this, is to collect all your data of all your travel (as you go), and even says that whether you create a user name or not, the data is still collected and can still be traced back to you (via your download via the iTunes account I guess.
I may be oversensitive about this, but having read the article about the parking app in NL it seemed there is nothing that a company can keep as a company item only, once a government asks for it, they can then compare your travel to distance (average speed camera in a way), they can also see where you have been.