Duetoday turns lecture slides, PDFs, audio, and notes into study notes, flashcards, quizzes, and an AI tutor.
Raena AI
Raena turns notes, PDFs, and videos into quizzes, flashcards, summaries, podcasts, and other study materials.

About Raena AI
Raena AI is an AI study app that turns uploaded notes, slides or lectures into step-by-step lessons. It suits high school, college and university students with heavy reading in subjects such as biology, nursing, law and history. It works on the web, iPhone and Android, and uploads and lessons stay private unless shared.
Pricing is not clearly stated.
Key features
- Accept PDFs, slides, Word and Excel files, photos, recordings, YouTube videos, links and pasted text
- Short chapters explain ideas with quick questions to check understanding
- Warm-up checks existing knowledge with recap when material is missed
- Focus study around an added exam date
- Edit text including tables and formulas
- Show which source page answers came from
- Talk through topics out loud with Standard and Unhinged modes
- Make summaries, quizzes, flashcards, podcasts, games and short video clips
Raena AI at a glance
- Website
- raena.ai
- Category
- AI & Machine Learning › AI for Education
- Type
- App
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, iOS, Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Raena AI alternatives
Tools and sites you could use instead, ranked by how closely they match.
Coconote turns lectures into notes, flashcards, quizzes, transcripts, and podcasts, with support for more than 100 languages.
Mindgrasp turns lectures into notes, flashcards, and quizzes for students using an AI study platform.
QuizRise generates quizzes, flashcards, and summaries from text, URLs, PDFs, and YouTube videos for students and teachers.
AskSia turns lectures, videos, readings, and notes into study materials, with integrations for common learning platforms.
StudyFox turns notes into flashcards, quizzes and mind maps, and offers a Chrome quiz solver with Anki support.
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