Open 2021 Madrid is a free Android app developed by Conexiones AMP under the lifestyle category with a focus on sports. The app provides information about the calendar of events from April 27th to May 9th for the Mutua 2021 tournament, featuring the best ATP and WTA tennis players. The app keeps you informed of the final results and sends daily notifications of the matches, at the least inconvenient hours, according to Madrid (ES) time.

The app is user-friendly and easy to navigate. The calendar displays the dates and times of the events, along with the players invited. Additionally, there is a game to keep you entertained while waiting for the results. After the presentation of the Open, the app continues with the option to view player screens, the calendar, previous events, and recommendations.

Open 2021 Madrid also contains advertisements, which are necessary for the maintenance of the app. The ads are not intrusive and do not require any purchase from the user. The app aims to keep you informed and entertained during the tournament, making the Open accessible to everyone.