Konstanz sits where Lake Constance narrows into the Rhine, and for four years in the fifteenth century it hosted the Council that ended the Great Western Schism, healing a papacy that had split three ways. The city has been needli... More

WHY CHOOSE US? More than an audio tour - your complete Heidelberg city guide in one app. Some audio tours cost a little less. With CityAppTour, you simply get more: 31 richly detailed stories, audio & written text, photos, spoken... More

Embark on a profound and personal journey through Heidelberg and follow in the footsteps of 19th century German romantics. We navigate the tension between the silent poetry of Hölderlin and Eichendorff and the bubbly reality of m... More

Descend into the Stuttgart Basin, where royal ambitions, medieval roots, and the history of the automobile meet. Find out how the narrow valley produced magnificent castles and world-famous sports cars. Engage with the concrete he... More

Discover the invisible engine behind Heilbronn's ascent. The urban DNA of efficiency – from Robert Mayer's discovery of the conservation of energy to the algorithms of a future AI capital. Together with an urban planner and a lo... More

Dive deep into the Stuttgart basin, a city completely shaped by its dramatic topography. Discover how the bowl-shaped valley determined everything – from the placement of royal palaces to the birth of the global automotive indus... More