Android

A new study testing smartphone night modes that eliminate blue light wavelengths is suggesting they make no difference to overall sleep outcomes and the only way to improve sleep at all is to completely abstain from screen use before going to bed.

Technology has made monitoring our health and fitness easier, cheaper and more convenient than ever, with a dizzying array of apps and wearable devices designed to improve our wellbeing. Gizmag looks back at just some of the health and fitness tracking technology that caught our eye this year.

Azoi has announced the Wello, a US$200 smartphone case that measures blood pressure, ECG, heart rate, blood oxygen, temperature and lung function to a high level of accuracy. Wello is designed to enable anyone to track all their vital health data, and make informed lifestyle choices.

The Scosche RHYTHM is a simple pulse monitor with accompanying fitness software that wirelessly connects to iOS and Android devices.

A new kind of heart rate monitor smartphone app measures a user's pulse without physical contact by detecting the micro color changes in their face.

A new app allows users to view electrocardiograms on their smartphones.

Google have unveiled their research into "eyes-free" interfaces for Android powered mobile phones.