A self-assessment and open-source test for COVID-19 that returns the same results as coronamadrid.com but does not store your valuable data.

If you want more information you can read this article in Maldita.es where they explain that the application of the Community of Madrid gives access to your data to private companies that have developed it without anonymizing it.

You can also enter my GitHub repository if you want to know the algorithm that this application uses and how I have discovered it or see the source code.

See the Website