Learn Croatian or German online — speak from day one
Slast is an AI-powered language-learning app that helps German and English speakers learn Croatian, and English speakers learn German. Features include AI pronunciation grading (Whisper + Claude), AI handwriting analysis (Claude Vision), an AI chat tutor (Luka for Croatian, Lukas for German), spaced-repetition daily review, timed speed drills, and a free A1 course.
Why Slast
AI tutor that chats with you in simple Croatian or German and corrects your grammar live
Pronunciation grading on a 0–100 scale — practise speaking, get instant feedback
Handwriting analysis — write a sentence on paper, photograph it, AI corrects you word by word
Daily smart review with the SM-2 spaced-repetition algorithm
A fraction of the cost of private lessons — less than a coffee a week