NotebookLM
Google's free research notebook that answers questions only from the sources you give it.
Free
Learning & Lifestyle
Education tools act as a patient tutor that explains things your way, quizzes you before an exam or helps a teacher put a course together. Language learners can practice conversations whenever they like.
We would look for tools that guide you toward answers rather than just handing them over, track progress over time and support your subject or language. Most have a free tier, with paid plans adding unlimited sessions and extra study modes.
The one most people reach for is NotebookLM.
Budget-wise, paid plans start anywhere from $4 to $29.99 a month — most land around $7.99. Good news: 4 of the 6 let you start for free.
6 tools
Google's free research notebook that answers questions only from the sources you give it.
Free
Duolingo's premium tier adds AI conversations and explanations of where you went wrong.
Free · Max $29.99/mo
Make polished presenter-led videos from a script, no camera, studio or actors required.
From $29/mo
Make or borrow flashcards, then let AI turn your notes into tests and study guides.
Free · Plus $7.99/mo
Khan Academy's AI tutor nudges students toward answers with questions, not shortcuts.
$4/mo for learners
Skip the hour-long video and get the main points of any YouTube clip in a quick summary.
Free · from $4.99/mo
Our shortlist: NotebookLM (new, free), Duolingo Max (new, $29.99) and Synthesia (new, $29).
Absolutely — 4 tools here have a free plan. We’d start with NotebookLM, Duolingo Max and Quizlet.
Most paid plans sit around $7.99/month. The cheapest we list starts at $4, the priciest at $29.99.
2 offer an API — handy if you want to plug them into your own product. Try Synthesia and Quizlet.