10 Best AI Study Tools for Students of 2026

Gemini Notebook is the product Google used to call NotebookLM, and it works differently from a general chatbot: it reads only the sources you upload and cites them next to each answer. For students that means a notebook per course, filled with lecture PDFs, slide decks, YouTube lectures and audio files, then questions answered from that material rather than from the open web. The study tools are broad and free. It can generate flashcards, quizzes, slides, mind maps, video overviews and its signature podcast-style Audio Overviews, which the mobile app plays in the background and offline. The free plan allows up to 50 sources per notebook with standard limits; Google AI Plus, listed at $4.99 a month on the US App Store, doubles usage and allows 100 sources. The limits are scope and age: it will not help with a problem that is not in your sources, and the app is rated 13+. For older students with a pile of readings, it is the strongest free option here.

Quizlet started as a flashcard site and is now a broader AI study app. Its US App Store listing describes Audio Recording, which turns a recorded or uploaded lecture into organized study guides and flashcards, plus a builder that makes a full study set from typed, pasted or uploaded notes. Ask Quizlet explains homework and practice problems, Learn adapts practice to your level, Practice Tests simulate an exam, and spaced repetition resurfaces cards when you are about to forget them. A Podcasts feature turns notes and sets into audio for the commute. Quizlet says over 60 million students, teachers and learners use it, and the app holds a 4.8 rating from 1.1 million US ratings. The free tier carries ads and some modes need Quizlet Plus, which the App Store lists at $9.99 and $44.99 for monthly and annual plans. Teachers use it free. For flashcard-first studying with the biggest shared library, it is the default choice.

Knowt pitches itself as a free Quizlet alternative, and its free plan backs that up: unlimited file creation, flashcards with unlimited learn mode, a matching game, spaced repetition and practice tests. Moving over is quick, since Knowt says Quizlet sets import in two clicks with images and formatting, and Kahoot and Wayground quizzes come across too. The AI tools go further than flashcards. An Exam Predictor reads your syllabus and course files to build a study plan, the PDF summarizer takes up to 30 files at once, and a lecture summarizer turns recordings into notes, tests and games. Ultra, at $7.99 a month billed $95.99 yearly or $24.99 month to month, removes ads and unlocks the lecture, video and podcast AI plus full AP, SAT and ACT prep. The monthly price is steep next to the annual one. For students who want a strong free flashcard tool with optional AI extras, Knowt is the best value on this list.

Khanmigo is a tutor rather than a study set builder. Khan Academy, the nonprofit behind it, says it never gives you the answer and instead prompts you to reason through the problem, which suits schools that restrict AI on homework. It is woven into Khan Academy's library, so a student gets tutoring on every exercise, video and article across math, science, coding, history and humanities. Extras include a writing coach that gives real-time feedback and debates ideas, code review for JS, HTML, Python and SQL, college and career coaching, and a voice mode. At $4 a month or $44 a year it is the cheapest paid tool here, though sales tax is extra. Access rules are strict: buyers must be 18 or older, live in the US and have a US billing address, so younger students join through a parent. It does not build flashcards from your own slides, so college students may get more from Gemini Notebook.

StudyFetch packs more study formats into one app than anything else on this list. Upload lectures, PDFs, slides or videos and its tutor Sparky produces notes, flashcards, QuizFetch quizzes, practice tests in real exam formats and Arcade games, then lays out a study schedule around your deadlines. Live lecture recording transcribes class and writes notes as you go, Sparky can talk voice to voice, and you can even text it from iMessage. Explainer videos and audio recaps cover students who learn better by watching or listening, and the app supports more than 20 languages. StudyFetch says it has 8 million users and is backed by Owl Ventures and the College Board. The cost is higher than rivals: Premium is listed at $19.99 a month or $96.00 a year on the US App Store, and add-ons such as Sparky call hours cost extra. For students who will use most of these features every week, the yearly plan is reasonable; casual users can get the basics free elsewhere.

Gizmo is the lightest tool on this list and the easiest to pick up. Its main trick is AI Import: point it at a Quizlet set, an Anki deck, a YouTube video, a PDF, notes or a PowerPoint and it produces flashcards, and you can scan handwritten notes with the phone camera too. Studying runs on spaced repetition and active recall quizzes with multiple choice and written questions, wrapped in leaderboards and games that make review feel like play. Students can also browse over a million free public decks made by others. The app is rated 4.8 from 17,000 US App Store ratings and carries a 13+ age rating. Pricing is the weak spot: the App Store lists many Gizmo Unlimited price points along with coin packs, and the website shows no plan table, so we could not confirm a single starting price. For students who already have decks in Quizlet or Anki and want quick quizzes, the free tier is a good first step.

Photomath does one job: scan a math problem, word problems included, and show a solution broken into steps, sometimes with more than one method. The Basic plan is free and already includes step-by-step explanations, which sets it apart from solvers that hide steps behind a paywall. The paid plan, at $9.99 billed monthly or $69.99 billed annually in USD on Photomath's own site, adds custom visual aids and extra tips on how and why each step works. A smart calculator handles typed input, and coverage runs from elementary arithmetic through algebra, geometry, trigonometry, statistics and calculus. It is not a study set builder: there are no flashcards, notes or quizzes, and it does nothing outside math. Because it shows complete solutions, students should use it to check work rather than replace it, especially where schools limit AI help. As a free math companion next to a broader study tool, it is hard to beat.

Brainly began as a community question and answer site and now mixes verified answers, textbook solutions and AI explanations with live human tutors. Students snap a photo or type a question and get step-by-step explanations across K-12 math, science, history and English, plus test prep with guided review. The free tier has limited features and ads. On the US App Store, Brainly Plus is listed at $9.99 a month or $39.99 a year, and Brainly Tutor, which adds live help from qualified tutors, at $29.99 a month or $95.99 a year. The listing also describes a 30-day money-back guarantee. Its focus is younger students and their parents, so college students will find less here than in Gemini Notebook or Quizlet, and the app carries a 13+ rating. For families who want a path from AI explanations to a real person when a child is stuck, Brainly is the only tool on this list that offers it.

Notion is a workspace for notes, documents and databases rather than a dedicated study app, and many students use it to run their whole semester. Its pricing page says the Plus plan, limited to one member, is free for students and educators who sign up with a school email, which brings more guests, longer version history and larger uploads than the free plan. Databases with subtasks, dependencies and custom properties make good assignment trackers. AI is the catch. Plus includes only a trial of Notion AI for generating docs and autofilling databases, while Notion Agent and AI Meeting Notes come with Business, which the US App Store lists at $23.99 a month against $11.99 for Plus. Notion also lacks flashcards and quiz generation, so it pairs best with a study builder. For students who want one free place to organize notes, deadlines and group projects, it earns a spot, but it is not where most will do AI review.

Chegg Study is the long-running paid homework help service for college students, built around a library of millions of fully explained, step-by-step solutions and flashcards. Its App Store listing says it covers 80 subjects and hundreds of courses, including math, English, physics, engineering and chemistry, and that it now adds AI solutions backed by experts so answers arrive faster. Students can also ask course questions and receive step-by-step solutions. The app is rated 4.7 from about 205,000 US ratings. There is no permanent free plan, and the Chegg Study page we fetched did not show a plan price, so our USD check is pending. Chegg is most useful for STEM courses that use standard textbooks, where a worked solution to a specific end-of-chapter problem saves time. It does not build study sets from your own notes the way Gemini Notebook or Knowt do, and because it shows complete answers, students should check course policies first.