Imprint
G. Henle Publishers
App idea and concept development
Wolf-Dieter Seiffert
Norbert Gertsch
App project management
Norbert Gertsch
App producer
Till Kordt-Dauner
App marketing management
Wolf-Dieter Seiffert
App customer support
Alfred Hübner
App and back-end development
The Tengio team
Prior app and back-end development
The Amphio team
The Touchpress team