From Splitcab Ltd:
A taxi and minicab sharing iOS app that saves you money, reduces your carbon footprint and helps you meet new people! - UK born, UK bred and UK backed. - Request a seat in a shared Splitcab via the app and get whisked away door to door to the airport for cheaper than the Heathrow / Gatwick Express. - Alternately, book a private minicab and be picked up in minutes, enter your pickup location and destination and track your driver to your door. - Pay by cash, pay by credit card or Splitcab currency! - Simple, honest pricing, no metering or Surge pricing. - We are launching (shared) Splitcabs to Londons airports only but rest assured that come Spring time you will be able to share minicabs travelling point to point across our fair city.