lattecoach is a latte art trainer for home baristas and café staff. Take a photo of your cup and the AI coach recognises the pattern (heart, tulip, rosetta, swan and more), scores it on symmetry, contrast, position, definition, foam quality and harmony, and places it on one of six levels. It draws your mistakes directly onto the photo and gives you one clear focus for the next pour: pouring height, flow rate, milk texture or cup tilt. Your analyses are saved in a gallery so you can see your progress, and results can be shared with a link. Try it without an account, in English or German. iOS app plus web, built solo with Next.js, Expo and OpenAI.