AI Study Buddy: Learns Your Course, Then Quizzes You On It
Bo is the AI study buddy built for your class, not the whole internet. Upload your PDFs, slides, or lecture videos and Bo answers only from your material, with citations. It also turns your notes into flashcards, quizzes, and practice exams. Free to start.
- Upload any PDF, slides, photo, or YouTube link and Bo reads it in seconds
- Ask anything and get answers grounded in your own notes, with page and source cites
- Turn your material into flashcards, quizzes, practice exams, and study guides
- See which topics you have mastered and which need more work
- Free to start. Works in your browser on any device
What Makes a Real AI Study Buddy in 2026
Most things called a study buddy are either a timer that keeps you company or a homework tool that snaps a photo and spits out a generic answer from the internet. Neither one knows your class. Bo is built the other way around. It learns from the material you upload, then studies it with you. Ask it a question and it answers from your own notes, with a citation to the page or source so you can check it. Then it turns those same notes into flashcards, quizzes, and practice exams. A study buddy that actually knows your course beats one that knows everything but yours.
See Your AI Study Buddy in Action
Watch how Bo reads your course material and turns it into answers, flashcards, and practice questions in a few clicks.

For College and University Students: One Buddy for Every Course
If you are taking 4-5 courses, having one study buddy that handles all of them saves real time. Upload Monday's biology slides and ask Bo to make flashcards and a quick summary. Drop in your economics PDF and have it generate practice questions for Friday's quiz. Stuck at midnight on a concept your professor skipped? Ask Bo and it explains using your own lecture notes, citing the exact slide. Because every answer is grounded in your material, you are revising the right thing, not a generic version of the topic. It works for any subject, from STEM to humanities to law.
For Exam and Certification Prep: A Buddy That Drills You
When you are cramming for a big exam, you need a study buddy that tests you, not one that just reads to you. Upload your review materials and Bo builds practice exams and quizzes straight from them. As you answer, it tracks which concepts you keep missing and can serve a new quiz focused on your weakest spots. Need a quick refresher on one section? Ask Bo and it answers from your own prep docs with a citation. It is like having a patient study partner who knows exactly what is on your material and keeps drilling you until it sticks.
For Self-Learners and Researchers: Process Sources Faster
Learning something on your own means juggling a lot of sources. Bo helps you keep them straight. Upload research papers, articles, or a long PDF and ask for the key findings, then have it build a mind map so you can see how the ideas connect. Pick the format that fits the moment: a summary for the big picture, flashcards to memorize, a quiz to test yourself, or just ask your study buddy a direct question. Every answer points back to where it came from, so you can trust it and dig deeper when you want to.
How to Use Your AI Study Buddy in 4 Simple Steps
Getting started with Bo takes less than 60 seconds. Here is how it works:
Upload Your Course Material
Upload your PDFs, slides, photos, or YouTube lectures. Bo reads scanned and handwritten pages too, so any quality works.
Ask Bo Anything
Type a question and Bo answers from your own notes only, with citations to the exact page, second, or source.
Make Study Material
Ask Bo to build flashcards, a quiz, a practice exam, a study guide, a cheat sheet, a summary, or a mind map.
Study and Track Your Progress
Practice with what Bo made and watch your mastery per topic. Bo can quiz you on your weakest concepts next.
Why Bo Beats Generic Study Buddy Apps and Homework Tools
Bo answers from your own material instead. Upload your notes and it builds answers, flashcards, and quizzes from them, with a citation on every answer so you can check the source. That alone makes it more useful for actual studying than a tool that knows everything except your course.
Compared to flashcard apps like Quizlet, Bo does not just store cards you typed in. It reads your uploads and writes the cards for you, grounded in what matters in your material. One upload gives you seven kinds of study material instead of one. Upload once, study every way.
Students With an AI Study Buddy Spend Less Time Searching and More Time Learning
A good study buddy does not just hand you answers. Bo learns the same notes you do, points to where each answer comes from, and keeps quizzing you on the parts you find hard. That is how you actually remember it for the exam.
- Turn 50 pages of lecture notes into a 2-page study guide in under a minute
- Get 100+ flashcards from your textbook with a single upload
- Ask your study buddy to explain a tricky concept at 2 AM, no waiting for office hours
- See exactly which topics you have down and which still need review
What Makes Bo a Study Buddy and Not Just a Chatbot, Under the Hood
Bo is course-scoped. When you upload your material, it builds a private knowledge base from your notes, slides, and videos, then answers only from that. A normal chatbot guesses from the whole internet. Bo sticks to your class, which is exactly what you are being tested on.
Every answer comes with a citation. Bo points to the page in your PDF, the second in your video, or the source it pulled from. You never have to trust it blindly. You can jump straight to the spot and confirm, which is what a good study partner would let you do.
Bo builds a knowledge graph with mastery tracking. As it reads your material it maps out the topics and concepts in your course, then watches how you do on quizzes and flashcards. Ask it what to focus on and it can quiz you on your weakest concepts next, so you spend your time where it counts.
Bo makes seven kinds of study material from the same upload: flashcards, quizzes, practice exams, study guides, cheat sheets, summaries, and mind maps. It even pulls figures and diagrams off your pages and reuses them. You can export the results to PDF, Word, or Anki.
Why Students Pick Bo as Their AI Study Buddy
Most study buddy tools answer homework from the internet. Bo is different: it studies your actual course with you and shows its work.
- Answers come from your own notes, not the open web, so they match your class
- Every answer cites the exact page, second, or source you can check
- Reads PDFs of any quality, photos, websites, and YouTube in one place
- Builds 7 kinds of study material from your uploads, not generic templates
- Tracks mastery per topic so you always know what to study next
- Pulls figures and diagrams from your pages and reuses them in your material
- Your documents stay private. Bo only studies what you give it
- Free to start, no credit card needed
Meet Bo, Your AI Study Buddy. Free to Start
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Questions, answered.
No. Bo only pulls from the lectures and notes you upload. Every answer includes a citation to the page it used, so you can open the source and verify in one tap. If your material does not cover the question, Bo tells you instead of inventing an answer.
PDFs, slide decks, scanned notes, photos of a whiteboard, YouTube lectures, and web pages. Upload a single chapter or your whole course. Bo reads scans and handwriting with vision, and video citations jump to the exact second in the player.
Yes. Ask in plain language, for example 'build me a 20-question exam on chapter 3' or 'write a study guide for the midterm.' Bo generates it from your uploads with citations, and you can open, edit, or ask Bo to regenerate.
Yes. StudyPDF runs in your browser on desktop and phone, and your courses stay in sync. Open Bo between classes to ask about the lecture you just left, or review flashcards on the way to the library.
For most students, yes. The free tier covers uploading your course, asking Bo, and generating the core study tools through a typical term. Upgrade to Pro or Ultra when you need higher limits, faster generation, or heavier exam seasons.
ChatGPT answers from the whole internet. Bo answers only from your course. That means fewer generic textbook answers and fewer made-up details. You get cited pages, memory of what you are weak on, and study tools built from the same material.
Yes. Bo tracks what you have practiced, what you got right, and what is slipping. It can nudge you to refresh weak spots and picks up where you left off next week or next semester, as long as the course is in your account.