AI Fluency Engine
Langstu: Master a language fast with AI
Accelerate your fluency with personalized daily AI podcasts, daily AI articles, and structured CEFR courses.
Daily AI Podcasts
Listen to adaptive, engaging podcasts tailored to your level and interests.
Daily AI Articles
Read current, interesting articles with translation, vocabulary, and checks.
Adaptive CEFR Path
Placement and progression that adjust to your level in real time.
Progress Analytics
Track time, streaks, and completion rates with one clear dashboard.
Personalized Review
AI selects words and patterns you miss most and recycles them daily.