As of yesterday, the London Underground is officially 150 years old. Way back on January 10, 1863, London's Tube became the first mass transit underground railway in the world. And what started as just seven stops on one line between Paddington and Farringdon stations has now grown into a massive rail network of over eleven lines and 270 stations, which carries almost four million Londoners a day.
In honor of the Tube's birthday I thought I'd list my two favorite apps to help me navigate London's iconic railway. While Transport for London doesn't have an official app, it does make its data available to developers. In the past two years I've tried virtually every Tube app out there; the following are the ones I believe every Londoner, or visitor,