Google NotebookLM
Freemium Notes
Google's AI study tool. You upload your own notes, slides, and PDFs, and it answers questions using only those files.
What it is
AI means computer programs that can read text and answer questions about it. NotebookLM can also turn your files into study guides, quizzes, flashcards, and spoken audio summaries of your material.
Pricing model
Free plan with usage limits. Free with a Google account. The article refers to a plans page for current counts, but names no paid plan or price, so none is stated here.
What the free plan gives you
- Up to 100 notebooks
- Up to 50 sources in each notebook
- Each source up to 500,000 words
- Chat answers with citations back to your files
- Study tools: summaries, flashcards, quizzes, and audio overviews
Free-plan limitations
- Daily AI use has a budget that refills over hours, plus a weekly cap
- Big audio and video outputs use the budget fastest
- Google changes the exact counts, so check the plans page
- You need internet to use it
- Your files are processed on Google's servers, not only on your device
Features
- Upload your own notes, slides, and PDFs
- Questions answered using only your files, with citations
- Study guides, summaries, flashcards, and quizzes
- Spoken audio summaries of your material
Supported platforms
Not stated in the source article. The article only says you need internet to use it.
Best use cases
- Students revising from their own course material
- Exam revision: it works from your own course files and answers with citations back to them
- “I have 200 pages to learn and one week”
Pros
- Answers come only from your own files, with citations back to them
- Turns your material into study guides, quizzes, flashcards, and audio summaries
- Large capacity: 100 notebooks, 50 sources each, 500,000 words per source
Cons
- Daily AI budget plus a weekly cap; big audio and video outputs use it fastest
- Exact counts change, so you must check the plans page
- Requires internet; files are processed on Google's servers
Official website
Not given in the source article, so no link is listed here rather than guessing a URL.
Last verified: October 2026 (free tiers checked October 2026). If a limit here no longer matches the app's pricing page, the pricing page is right. Source: the approved article “Best Free Notes Apps for Students (Tested on the Free Version).”