Monument Valley developer moves into mental health with Moodnotes app

Ustwo's mood-tracking joint venture is based on cognitive behavioural therapy principles, aiming to help people understand their highs and lows

Ustwo had a big hit with mobile game Monument Valley, but now the company is moving into a new apps are: mental health and wellbeing.

The UK-based studio is releasing an app called Moodnotes for people to track their moods and develop "healthier thinking habits", as part of a joint venture with US developer Thriveport.