Brüder GrimmMärchen is an android application that provides an extensive collection of all the 273 Grimm fairy tales. The app is free to download and comes with ten popular fairy tales for free. The full version of the app can be purchased to access the complete collection that includes all the 200 fairy tales and 15 legends of the final edition, as well as all the other fairy tales published in previous editions.

The audiobook version of the app is narrated by Claudia Gräf, Thomas Dehler, Patrick Imhof, Verena Noll, and Christoph Pischer. The audiobook is approximately 36.5 hours long and is directed by David Fischbach, the winner of the German Audiobook Award. The app also offers an option to switch between the original dialect version and the high German translation version of the fairy tales. The app is programmed by Dutyfarm GmbH, a multimedia development company.

The app is an excellent resource for those interested in the world's largest and most famous collection of fairy tales. The app is easy to navigate, and the audiobook's quality is top-notch, making it a must-have for fairy tale enthusiasts.