LeadQuizzes offers Free Trial, but Duolingo does not.
Duolingo is designed for Individuals, Freelancers and Small Business.
LeadQuizzes is designed for Large Enterprises, Medium Business and Small Business.
The starting price of LeadQuizzes begins at $37/Month when Billed Yearly, while pricing details for Duolingo are unavailable.
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 LeadQuizzes includes Engageform, Evaluate, Snackeet, Qualzz, Liveform, myQuiz, Qualified, Workvivo, Marquiz, iSpring QuizMaker and FlexiQuiz.