New Zealand will launch a contact-tracing app to help people track their movements as the country eases one of the world’s most rigid lockdowns designed to slow the spread of Covid-19, Reuters reports.

Prime Minister Jacinda Ardern said the app can be best described as a ‘digital diary’, helping people to record their personal movements, adding the data would not be shared to anyone else besides the user.

“It’s just in case in the future if you find yourself with Covid-19, you’ve got an easy reference to tell where you’ve been over a period of time,” Ardern said during a media briefing in Wellington.

“It’s for you, it’s on your device, and it’s your data and your information," she added.