Duolingo vs StudySense

Duolingo offers learning in languages, chess and math through short lessons that adapt to a learner’s level and pace. Language practice covers reading, writing, listening and speaking, with speech exercises, personalized review, offline lessons and a placement test among the listed tools. Challenges, reminders and game-like features provide ways to structure practice. Duolingo says its teaching methods are research-backed and aimed at real-world communication skills. It lists 40 languages and is available on Android, iOS, macOS and the web. The pricing note includes a free plan and a 14-day trial. Other listed products include the Duolingo English Test, Duolingo for Business, Duolingo for Schools, Super Duolingo and Duolingo Max. The English Test is described as AI-enabled and intended to be taken wherever and whenever users perform best. FAQs and service status information are available. Duolingo was founded in 2011 and is headquartered in Pittsburgh, Pennsylvania.

StudySense is a freemium study app for web, iOS, and Android, founded in 2026 by a maker headquartered in the Kingdom of Bahrain. It creates AI flashcards and quizzes from uploaded sources and supports source citations. The Free plan costs nothing, billed at $0 forever, and includes five decks, five AI generations per month, three Sage tutor sessions per month, and ten document-chat questions per month. Pro costs $49.99 a year, billed annually and displayed as $4.17 per month; it allows 25 decks, 30 AI generations, 20 Sage sessions, and 50 document-chat questions monthly. Sensei costs $89.99 a year, billed annually and displayed as $7.5 per month, with unlimited decks, AI generations, Sage tutor sessions, and document chat. A 3-day trial is listed. The app covers mobile and browser use, with feature allowances varying by plan.