Brainscape vs Duolingo

Brainscape is a flashcard study platform that uses AI to create cards and spaced repetition to organize review. Learners rate their confidence on a 1–5 scale, and the platform uses those ratings to adjust when cards return. AI can turn PDFs, documents, and presentations into flashcards. Cards can contain formatted text, images, sounds, and animated GIFs; users can invite students or instructors to contribute edits or feedback. Its library includes user-created and expert-certified cards across exams, languages, and professional certifications. Integrations support work with apps and tools, while the Ghost API can be used to create custom integrations. Brainscape is available on web, iOS, and Android. The individual Basic plan is free and includes 2,500 pre-loaded flashcards; the listed Pro (Individual) price is $7.99 a month, billed yearly. Enterprise group licensing has custom pricing. Brainscape says its AI features are opt-in and only raw study materials go to AI providers, which do not use Brainscape data to train their models. It also says it does not sell personal data or run personalized ads.

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.