TxMad is a free Android application developed by Ayuntamiento de Madrid, designed to provide useful information about taxi services in Madrid for both travelers and professionals in the taxi industry. It offers a range of features that aim to provide easy access to essential information for a comfortable, safe, and cost-effective taxi ride.

The app's features include a trip calculator that estimates the distance, time, and cost of a taxi ride, which can be saved and shared on social media. It also provides information on urban taxi rates and surcharges, and helps locate the nearest taxi stands. The app's "Travel Safe" feature provides valuable information about taxi services in Madrid, while the "Lost and Found" feature helps locate lost items in taxis. Additionally, the app offers news and updates relevant to taxi services in Madrid.

For taxi drivers, the app offers a simple registration process and identification, providing access to personal data from the Municipal Registry of Taxi Licenses. It also provides alerts and updates on relevant information such as rate approval, rest periods, review schedules, Taxifree subsidies, authorized vehicle models, and more.