Tečka is a mobile application developed by Ministerstvo zdravotnictvi for iPhone users, falling under the Lifestyle category with a focus on Health & Fitness. The app serves as the Digital COVID Certificate of the Czech Republic, adhering to EU technical standards for validating COVID-19 health status.

The functionality of Tečka is robust, offering features such as eGovernment login with NIA and gov.cz integration, the ability to load and store certificates from the Ministry of Health server, scanning and storing QR codes, converting vaccination certificates to EU format, displaying certificate validity based on Czech Republic rules, and providing detailed certificate information.