Citymapper

This week, I'll look at an App that a friend of mine in London turned me on to a little while back. Since then I've always used it as its proved useful. Normally, when I travel, there are two go to Apps I like to use for navigation: Google Maps and Citymapper. The latter gives me information about specific cities at the moment, while the former is worldwide. Let's look at the latter; Citymapper...