iTutor vs NotebookLM
NotebookLM answers questions about your sources; iTutor turns them into a complete study system.
At a glance
Google's NotebookLM is excellent at answering questions strictly from your uploaded sources, and it makes audio overviews, flashcards and quizzes. iTutor (itutor.study) is also grounded in your materials and goes further: study plans with spaced review built around your exam date, timed exam simulations, subject memory and an explorable 3D study world, with a voice tutor in 12 languages and LMS export.
When to pick what. Pick NotebookLM if you mainly want grounded Q&A and audio overviews of your documents. Pick iTutor if you want that grounding plus a full study system (a study plan with spaced review, timed exam simulations, progress tracking and voice) to prepare for an exam.
Pricing
NotebookLM is free with a Google account, with higher limits on paid Google plans. iTutor's free plan includes 30 tutor messages a month with no card needed; paid plans start at $4.99 a month.
What iTutor gives you today
- Free plan: 30 tutor messages a month, no card needed. Paid plans start at $4.99 a month.
- Two ways to get help: Teach me asks first, goes one step at a time and checks you got it; Just answer gives you the full answer right away.
- Subject memory: iTutor remembers what you studied and what you got wrong in each subject, and picks up from there next time.
- Answers come from your own notes, slides, PDFs and photos of pages, in 12 languages.
Feature comparison
| Feature | iTutor | NotebookLM |
|---|---|---|
| Grounded answers from your uploaded materials | Yes | Yes |
| AI tutor chat | Yes | Yes |
| Upload your own materials | Yes | Yes |
| Voice tutoring with natural conversation | Yes | Limited |
| AI conversation in 12 languages | Yes | Limited |
| Auto-generated flashcards and spaced review | Yes | Limited |
| Auto-generated practice quizzes with grading | Yes | Yes |
| Exam prep and homework help | Yes | No |
| Study planner with adaptive scheduling | Yes | No |
| Progress analytics and knowledge gap tracking | Yes | No |
| Full LMS for schools and universities | Yes | No |
| SCORM 1.2 / 2004 export | Yes | No |
| Free forever tier | Yes | Yes |
Pick iTutor if…
Students and researchers who want more than grounded Q&A: a study plan with spaced review, timed exam practice and progress tracking made from the same sources, in their own language.
Pick NotebookLM if…
Pick NotebookLM if source-grounded answers, audio overviews, flashcards and quizzes cover what you need, and you do not need timed exam simulations, a study plan or an LMS.
Frequently asked questions
Is iTutor like NotebookLM?
Both are grounded in your uploaded materials, so neither invents facts from the open web. The difference is scope: NotebookLM focuses on Q&A, audio overviews, flashcards and quizzes, while iTutor adds a study plan with spaced review, a timed exam simulator, subject memory and a voice tutor in 12 languages.
Does iTutor avoid hallucination like NotebookLM?
Yes. Every iTutor generator is grounded in the specific materials you upload, using retrieval over your documents, so questions and answers trace back to your sources rather than general knowledge.
Can NotebookLM make flashcards and quizzes?
Yes, NotebookLM now makes flashcards and quizzes from your sources. iTutor adds timed exam simulations, a study plan with spaced review built around your exam date and progress tracked per subject.