Neither Duolingo nor Babbel for Business offers a free trial.
Duolingo is designed for Individuals, Freelancers and Small Business.
Babbel for Business is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both Duolingo and Babbel for Business are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Duolingo includes Qualified, Workvivo, Rosetta Stone, LanguageMate, LearnOasis, Fluenz, Yabla, Pimsleur, Rocket Languages, Babbel for Business, italki and Memrise.
Some top alternatives to Babbel for Business includes Qualified, Workvivo, LanguageMate, Living Language, Yabla, Pimsleur, Rocket Languages, italki, Mango Languages, Busuu, Open English and IFTTT.