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On the recordRead 12 Oct 202614 facts
Curio
Wilmington, Delaware, United States
Plans and prices
Curio
Free
AI tutor for any subject · Upload docs, notes or images · Flashcards, quizzes and summaries · Practice tests
Read 12 Oct 2026 · curio.to
Super Curio
$8a month, billed yearly
Advanced AI tutor · Unlimited chat, flashcards, quizzes and tests · Larger file upload limits · Adaptive test difficulty
Read 12 Oct 2026 · curio.to
Ultra Curio
$21a month, billed yearly
Advanced AI tutor · Unlimited chat, flashcards, quizzes and tests · Adaptive test difficulty · SAT feature
Read 12 Oct 2026 · curio.to
On the record
- Android app
- Curio links to an Android app on Google Play and says iOS is coming soon.curio.to · read 12 Oct 2026
- Data privacy
- Curio’s FAQ says it does not sell user data and that documents, notes and chats stay private and secure.curio.to · read 12 Oct 2026
- Developer listing
- Google Play identifies the app developer as Educate Online, Inc. and lists a Wilmington, Delaware address.play.google.com · read 12 Oct 2026
- Exam practice
- The site describes custom mock exams, surprise quizzes and timed practice.curio.to · read 12 Oct 2026
- Free tier limit
- The free plan has fair daily limits, while paid plans advertise unlimited learning tools.curio.to · read 12 Oct 2026
- Language study
- Curio says users can upload text to create vocabulary drills, grammar checks and quizzes.curio.to · read 12 Oct 2026
- Learning tools
- Curio offers AI tutoring, explanations, recap notes, flashcards, quizzes and exam-style practice questions.curio.to · read 12 Oct 2026
- Progress
- Curio tracks progress and reminds users when to review material.curio.to · read 12 Oct 2026
- Purpose
- Curio turns study material such as PDFs and lecture videos into explanations, practice questions, flashcards and quizzes for students.curio.to · read 12 Oct 2026
- SAT access
- The Ultra Curio plan includes access to the SAT feature.curio.to · read 12 Oct 2026
- Study materials
- The site says users can upload lecture slides, PDFs, notes, past papers, screenshots and images.curio.to · read 12 Oct 2026
- Support
- Curio’s site lists [email protected] as its contact email.curio.to · read 12 Oct 2026
- YouTube
- The site says users can paste a YouTube lecture link to get its main ideas as study notes.curio.to · read 12 Oct 2026
