Babbel.com is a legitimate and well-regarded language learning platform. It has received positive reviews from many users, with a TrustPilot score of 4.0 based on over 21,000 reviews. Users appreciate its structured lessons, flexible learning paths, and the Babbel Live feature, which offers live, instructor-led classes. However, some users have reported issues with the auto-renewal policy and customer service. Overall, Babbel is considered a reliable and effective tool for language learning.