Babbel

Babbel is a Berlin-based language learning company that teaches 14 languages through short, expert-designed lessons built for real-life conversation. Founded in 2007 and operated under the legal name Lesson Nine GmbH, it pioneered the paid subscription model for language apps and has sold tens of millions of subscriptions worldwide. Its lessons - typically 10 to 15 minutes - are written by linguists rather than crowdsourced or generated, and the company has layered in speech recognition and AI speaking practice while keeping human-designed pedagogy at the center.