When health expert Geoffrey Clapp teamed up with US medical practice and research group the Mayo Clinic, together they envisaged a future where healthcare would be available anytime, anywhere. And for $49 per month, that's exactly what the resultant app Better offers.

Health and fitness app Healthbook – designed to resemble Passbook – can analyse everything from heart rate to hydration. The full extent of how the app will monitor these remains unknown, though Apple has hired a number of health and fitness experts.

According to research, playing a science-based smartphone game for 25 minutes can reduce anxiety and offer measurable mental health benefits. Researchers believe gamified cognitive treatments could revolutionise mental healthcare.

One in ten Americans are clinically depressed. As busyness becomes a status symbol for Millennials, the stress is mounting. 'Text therapy' platform Talkspace appeals to a generation accustomed to immediate answers with a tap of a smartphone – but is it effective?