
Duolingo
8.5#7 in language learning appsFree planFree planAndroidiOSWebmacOS
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Duolingo suits learners who want short, adaptive lessons across language, chess, or math subjects. Its listed language tools may also suit people seeking practice in multiple skills, including speech and offline lessons.
FullRecall suits learners who want to retain facts through repeated question-and-answer reviews. It may also suit people who want to import study data or use a portable installation.