Facebook Messenger, having topped the chart two weeks ago, is back at the summit this week, while the main Facebook app has second place locked up.
Channel 4's catch-up service stays ahead of rivals ITV and Sky, while the free app for its 'Misfits' drama series is a new entry at number 15.
'Misfits Community Service' allows iPhone users to join the Misfits gang and help them with underground tasks to earn reputation, cash and upgrade their superpowers.
The chart is powered by analytics app developed by with non-commercial branded apps removed.