Under the VinoMobile brand, you can get various wine-related apps in the Apple and Google stores - some for free, others for a fee. All without frills, with the most important information about wine. Since 2009.
Learn to taste
The primer for wine novices par excellence:
Weine degustieren - leicht & spielend (Tasting wines - easy & playful).
Used at various wine schools and tasting courses, in German (20th edition in 2020), French and Dutch.