https://thenextweb.com/offers/2019/11/28/highly-rated-language-learning-app-babbel-is-on-sale-for-black-friday/

TLDR: Babbel’s approach to teaching a foreign language has been a big hit for a decade, so learn your language of choice now at up to 64% off. 

For over a decade, Babbel has been one of the go-to services to learn a foreign language online. Their effectiveness, as well as Babbel’s exalted standing with language learners, comes from a core belief in teaching through sharp, lively conversational training rather than stale vocabulary recitation.