Photo: 123RF The existing QR-code, CookSafe system, which serves users without access to a smartphone, is now being developed adding a bluetooth functionality, which will make it compatible with NZ's Covid Tracer app, and will be called CookSafe Plus. A smartphone is needed to access CookSafe Plus as it will be available via a downloadable app. When the app is installed, it'll track the movements of users and can determine if close contact has been made with someone who has tested positive for Covid-19. However, one of the steps to reach completion is to secure additional funding through a revamped memorandum of understanding.