Canua: App tip for canoeists and stand-up paddlers.
The smartphone magazine iPhone-ticker.de reports about the canua app in it's September issue 2019:
"Canua is a small app pearl for canoeists and stand-up paddlers. The application available for iOS and Android is equally suitable for orientation on the water and for tour planning. In addition, there is the possibility to access the fully elaborated tour descriptions of the German Canoeing Association..."