Citymapper 11.21 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The actual developer of this free Mac application is Citymapper Limited. The program belongs to Lifestyle Tools.
From the developer:
Citymapper is a transit application for complex cities. The program provides you with real-time departures, handy transit maps, line status and real-time disruption alerts, bike routing, and live bike share info. Therefore, Citymapper offers everything you need to manage your life in the city.
You may want to check out more Mac applications, such as Tempus Irae, GMapCreator or Cortex Command b23, which might be similar to Citymapper.