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Converts uploaded course material into active-recall practice questions instead of flashcards you passively reread.
Thea is a study app from Theaai Corporation, a company based in the DC-Maryland-Virginia area. Students upload course material — PDFs, slides, Word docs, images, video, audio, YouTube links or typed notes, in any of over 90 file types — and Thea converts it into practice questions rather than static flashcards, following spaced-repetition and active-recall research rather than simple rereading. It tracks which concepts a student has already mastered so review time goes toward weaker material instead of content already learned. A separate program exists for educators. The company says most students use it without ever paying, though a paid Thea+ tier exists; the exact Thea+ price isn't published on the main site.
Core studying is free — the company states the large majority of users never pay. A paid Thea+ tier exists for extra features, but its price isn't listed on the public site.
Use tool ↗Thea's pitch is that it forces retrieval practice instead of letting you passively reread notes, and the 90-plus supported file types mean almost any course material can go in. Because Thea+ pricing is never shown, it's hard to tell upfront what's being given up by staying on the free tier.
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