1. Citymapper.
For iOS and Android: Citymapper shows you all your transport options between two points, by bus, train, taxi, bike or on foot, or a combination of those.
The app currently works in London, Paris, Berlin, New York, Boston, Washington DC, Barcelona, and Madrid. More cities will be added soon. (Free)
2. Tube Exits.
For iOS only: Tube Exits ensures you get on the tube carriage closest to the exit when you leave the train. Works for journeys with multiple changes and allows you to save favourite journeys. Includes a handy tube map. (£0.69)
Android: Try First off the Tube (not tested).
3. Digg.
4. Mikey Hooks.
5. The Atavist.
For iOS and Android: The Atavist publish a new original long form non-fiction story every month (from 5,000 to 30,000 words), each enhanced with video, audio, interactive graphics, and more, pushing the boundaries of multimedia storytelling.
Stories are available to buy through the app individually, or via an annual subscription.
6. Spotify.
7. Commuter.
For iOS: Commuter combines live travel data for UK National Rail services with Tfl London Underground, London Overground, and Docklands Light Rail (DLR), giving you realtime route monitoring across the UK. (Free)
8. Dubbledecker.
For iOS: Dubbledecker is a live bus arrivals app with access to real-time bus arrival times and nearby bus stops in London. (£0.69)
Android: Try Bus Times UK (untested).
9. Evernote.
10. Smash Hit.
11. National Rail.
12. Reeder 2.
13. Podcasts.
For iOS: The Apple Podcasts app is not the best on the market (try Instacast if you're podcast pro), but this is a great intro to the medium for beginners.
With thousands of podcasts covering a wide range of topics, they are a great way to enrich your commute. Here are some podcasts you might want to try. (Free)
Android: Try Pocket Casts.