How many movies have Jochen S. Franken and Stefan Bartmann collaborated on?

They have worked on 5 movies together! Their first movie together was Rosamunde Pilcher: Schutzengel (2016) while their highest rated movie together was Rosamunde Pilcher: Morgens stürmisch, abends Liebe (2019). They have not worked together since Rosamunde Pilcher: Falsches Leben, wahre Liebe (2020).