The COVID-19 pandemic has caused global disruption to society and their health-care
systems.1 In the setting of COVID-19, organisations in the UK such as National Health
Service (NHS) Digital, NHSX, and NHS Business Services Authority have emphasised the
need for mobile technology in managing the situation. This technology focus has led
to an increase in the mobile phone apps developed for COVID-19.2,3 However, despite
the increased enthusiasm for mobile health technologies during the COVID-19 pandemic,
data for their wider adoption is currently scarce because of potential hurdles related
to their design, usability, functionality, and security features.

Source: www.thelancet.com