The Tikrinti COVID pažymėjimą is a free Android app developed by Registrų centras VĮ that aims to help service providers verify the validity of COVID-19 vaccination, recovery, or testing documents. The app scans the QR code of the visitor's EU Digital COVID Certificate and checks its authenticity and validity. It also requires verifying whether the personal data on the certificate matches the data on the person's identity document. The app is designed to assist service providers in ensuring safe and free movement of citizens in the European Union during the pandemic.

The EU's Digital COVID Certificate is intended to facilitate safe and free movement of citizens across the EU during the COVID-19 pandemic. The app is intended to be a tool for service providers to ensure that the documents provided by individuals regarding vaccinations, recoveries, and testing are valid.