CovidGO is a mobile application that enables the validation of QR codes on EU digital COVID certificates issued in the Republic of Croatia EU Member States or QR codes issued to citizens in third countries for which there is bilaterally agreed cooperation on mutual acceptance of COVID certificates in the Republic of Croatia.

By scanning the code the mobile application enables verification of the national digital signature of data in the QR code verification of the validity of the certificate according to the business rules of application in the Republic of Croatia and printing messages on successful or unsuccessful verification of the digital signature and certificate validity.

CovidGO also allows you to save certificates in the application's digital wallet.