WELT Nachrichtensender is an Android app developed by Axel Springer SE WELT Digital that offers live television, live coverage of breaking news, and documentaries on demand. The app is free to download and does not require registration. Users can stream documentaries and videos on demand, including content related to nature and wildlife, technology, space, food, history, and crime. The app also provides access to the current events and live reporting in breaking news situations. Additionally, users can view the most-watched documentaries at a glance.

The app allows users to stream all documentaries, reports, magazines, and talk shows after the TV broadcast for a limited time. Furthermore, the app provides thematically focused coverage, including live coverage, information videos, and in-depth documentation. However, it is important to note that the livestream and videos are only available in Germany and are limited in Austria and Switzerland due to licensing reasons. Additionally, videos with age restrictions are available only during the legally specified time window.