Call me naive, but I still find it staggering that a certain other "app" :) that's been around in the west for over half a century hasn't gone mainstream!!  Especially when as mentioned below some 10.4 million days are lost annually to work-related stress in the UK, according to the Health and Safety Executive.

Tech to take the stress out of stress

Stress and anxiety stop us functioning as we should - instead of medication, what if a simple smartphone app could banish the "Blue Meanies" forever?

http://www.bbc.co.uk/news/business-29742908