Duolingo vs FullRecall

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.

FullRecall helps users retain knowledge through scheduled reviews of question-and-answer pairs. Users can write their own material or import data from collections and other databases. After a review, users rate how well they remembered an answer; the software combines that feedback with prior repetitions to schedule the next review, using a neural network that learns the user's forgetting curve. The free plan has no limit on item count or total database size, but questions and answers are each limited to 8192 bytes and category names to 128 bytes. The PC version supports Unicode, open file formats, images, sounds, and text formatting, and includes backups, statistics, clipboard capture, keyboard controls, and search with regular expressions and fuzzy matching. Users can import tab-delimited Excel exports and ready-made databases from the maker's library. FullRecall can run without installation, including from a USB drive. Downloads are listed for Windows, Linux, FreeBSD, macOS (x86), PocketPC, Maemo, and Android; the listed platforms also include iOS and web. Its FAQ says it helps with remembering knowledge, not understanding it.