Car DVR is a free Android app developed by David Christian Studio that works as a car blackbox or dashcam for your smartphone. This app offers to record everything during your journey, which can be used as evidence for police, insurance, and other drivers.

One of the main features of this app is its ability to display speed, GPS signal, location name, timestamp, and GPS coordinates on a map. It also records video with GPS logger and shows the video with location on a map. Moreover, it provides an option to change speed units between km/h and mph. All videos are timestamped and geotagged, making it easier to find important footage.

Another great feature of Car DVR is its ability to auto start recording when there is a power connection or vehicle speed. This ensures that the app is always ready to record when needed.

In addition to the above features, this app offers several camera features such as zoom, sound on/off, auto focus, exposure, effect, change resolution video, and selectable internal/external memory.

Overall, Car DVR is a useful app for those who want to have a blackbox or dashcam on their smartphone. It is easy to use and provides all the necessary features to record your journey. Enjoy your safe journey with Car DVR!