Whatever you study,
BrainDrill studies with you.
Your lecture notes become quizzes. Your written answers get graded. Your hardest questions get solved step by step. Any course, any subject — from a first-year survey class to final-year design.
Understand any problem, step by step.
An AI tutor that explains the how, not just the answer — from anatomy and accounting to calculus and circuits. On your phone, on your data. Free to start.
Works on any phone · Light on data · Free plan stays free
Or get the native app
One tutor, across your whole syllabus
Step-by-step
every solve, every time
Free
plan that stays free
24/7
awake when you are
Any device
phone, tablet, or laptop
How it works
Three steps from stuck to understood.
Snap or type your problem
Photograph a circuit, equation, or past question — or type it. BrainDrill reads it and gets to work.
Get it solved step by step
A patient AI tutor works through it the way a good lecturer would — every step explained, not just the final answer.
Practice until it clicks
Turn your notes into quizzes, get graded — even on written theory answers — and drill your weak spots.
Every screen on this page is already built.
The AI tutor showing its working step by step, quizzes generated from your own notes, live study rooms — on your phone and your laptop, always in sync.
Solve on paper. Snap on your phone. It lands on your laptop.
Working on your laptop but solved the problem by hand? Scan the QR code with your phone, take the photo, and it appears in your tutor chat instantly — ready for the AI to check your working.
Scan with your phone camera
Waiting for your phone…
Not a chatbot. A tutor that does the work.
Real symbolic solving, rendered math, and drawn diagrams — here's the kind of thing it handles every day.
Explains theory like a patient lecturer
Anatomy, economics, law, biology — ask anything from your course and it explains the how and the why, then answers your follow-ups until it clicks.
Draws real diagrams in its answers
Ask for a flowchart, tree, process, or state diagram and it draws one right in the chat — a picture, not a wall of text.
Beautiful, worked derivations
Calculus, statistics, linear algebra — worked line by line with real rendered math, and the rule used at each step named.
Tough enough for engineering drawings
The hard-mode proof: snap a circuit schematic — even hand-drawn — and it extracts the topology and solves with real symbolic methods. If it can teach this, it can teach your course.
Turns your notes into a quiz
Upload a lecture PDF or paste notes and get MCQs and theory questions generated from them — study, then share with classmates.
Ask in your language. Learn in your language.
The tutor understands and explains in the language you write in — switch mid-conversation if you like. Equations stay standard; the explanation around them is yours.
Imran Al-Ameen Adebayo
Founder & Developer
A 20-year-old Petroleum & Gas Engineering student at Nile University of Nigeria who built the study playground he wished existed. “Focus is a student's superpower — BrainDrill puts every study tool in one playground, so nothing pulls you out of yours.”
Read my story →Why BrainDrill, when ChatGPT exists?
General chatbots are brilliant — BrainDrill runs on the same class of AI. What you're choosing is everything built around the AI, specifically for studying.
Answers you can trust
Calculations are re-derived a second, independent way before you see a final answer — a chatbot gives one confident pass, right or wrong.
It studies YOUR material
Your lecture notes and past questions become practice quizzes. A chat window starts from a blank page every time.
It remembers your progress
Weak topics, accuracy, XP, streaks, leaderboards. A chatbot forgets you the moment you close the tab.
Studying is social here
Live study rooms with video, shared focus timer, and a pooled AI tutor for your whole reading group.
One playground, full focus
Tutor, quizzes, notes, documents, calendar — one place. Every tab you don't open is focus you keep.
Built for students like us
Local-currency pricing, smooth on everyday phones, notes that survive bad network. Built in Nigeria, for students everywhere.
Written answers, marked like an examiner would.
Most quiz apps stop at A-B-C-D. BrainDrill quizzes include real theory questions: type your answer, write it by hand and snap it, or draw your working on the stylus pad. When you submit, the AI grades it automatically — a score, honest feedback, and the marking points you hit or missed.
- ✓Answer by typing, photo, phone snap, or stylus
- ✓Auto-graded on submit — no extra button to press
- ✓Model answer + marking points revealed after grading
- ✓One tap sends your wrong answers to the AI tutor to explain
Explain why the tailstock of a lathe does not rotate during turning.
AI score: 8 / 10
Good — you identified support vs. drive. You missed that the barrel can hold a centre or a drill chuck; mention both to cover the marking point on tooling.
Marking points
✓ Tailstock provides axial support only
✓ Torque comes from the headstock
✗ Barrel accepts centre or drill chuck
Why students keep it on their home screen
Study in 13 languages
The whole app and the AI tutor now work in 13 languages — from English and French to Swahili, Arabic, Hindi and Chinese.
Theory answers, actually graded
Not just multiple choice — write or photograph a full answer and the AI marks it with a score and feedback. Pick your exact MCQ/theory mix.
Turn quizzes into games
Play any quiz six ways — flashcards with spaced repetition, timed blitz, match and more — grounded in learning science.
Snap on your phone, use on your laptop
Scan a QR, photograph your handwritten working, and it lands on your laptop instantly. No emailing yourself.
Study rooms with friends
Live rooms with free group chat, screen share, a shared focus timer, and a shared scratchpad.
Progress you can feel
XP, streaks, and leaderboards against your school and country — studying alone stops feeling alone.
Refer friends, win the giveaway
Share your link — every friend who joins is credited to you, and referrals feed a study-week giveaway.
Built for low data
Light pages and lean payloads — designed to work on metered data and mid-range phones.
“Can't I just use a chatbot?”
You can — we'd just rather show you the difference than invent five-star reviews.
| BrainDrill | A generic AI chatbot | |
|---|---|---|
| Shows the working, every time | ✓Always — it's the whole point | Sometimes, if you ask right |
| Snap handwritten work on your phone → appears on your laptop | ✓Built in (scan a QR) | Email it to yourself |
| Grades written theory answers with feedback | ✓Automatic on submit | Not built for it |
| Turns your own notes into shareable quizzes | ✓Yes, with theory + MCQs | No quiz engine |
| Study rooms: live video, screen share, shared timer | ✓Included on every plan | It's a solo chatbox |
| Progress, XP & leaderboards with classmates | ✓Yes | No memory of your progress |
| Student pricing | ✓Free plan + Pro from $3.99/mo | ~$20/mo for the good model |
Priced for students
Start free, stay free as long as you like. Upgrade when you want more headroom.
Free
$0Free forever
- ✓10 fast AI Tutor questions/day
- ✓20 starter AI credits — enough for 10 image questions (one-time)
- ✓30 documents (20MB each)
- ✓Unlimited quizzes, notes, study rooms & leaderboards
Student Pro
$3.99/month
- ✓200 fast tutor questions/day
- ✓150 AI credits/month for complex & image questions
- ✓60 documents (20MB each)
- ✓1-month credit rollover
Premium
$6.99/month
- ✓500 fast tutor questions/day
- ✓350 AI credits/month + hardest mode
- ✓Unlimited documents (20MB each)
- ✓Priority response queue + 1-month rollover
Questions
Is it only for engineering students?+
No — BrainDrill is a study app for every course. The AI tutor explains any subject (anatomy, economics, law, biology, literature…), quizzes are generated from YOUR OWN notes so they match whatever you study, and written theory answers get graded in any discipline. Engineering students love it because it survives their hardest calculations — but that's the proof of strength, not the target audience.
How much does it cost?+
The Free plan is free forever — real daily tutoring, quizzes, notes, and study rooms, no card needed. Student Pro is $3.99/month and Premium is $6.99/month when you want more.
Will it work on my phone?+
Yes. It runs in the browser on any phone, tablet, or laptop — built mobile-first and light on data for mid- and low-end devices.
Can it read a photo of a problem?+
Yes — snap a circuit, equation, or past question and it reads and solves it. On a laptop, scan the QR code and take the photo with your phone; it appears on your laptop instantly.
Does it grade theory questions or just multiple choice?+
Both. Quizzes mix MCQs with written theory questions. When you submit, the AI grades your theory answers automatically — a score out of 10, feedback, and the marking points you hit or missed.
Does it work in my language?+
Yes. The whole app — menus, buttons and study tools — is now translated into 13 languages: English, French, Swahili, Arabic, Spanish, Portuguese, German, Russian, Turkish, Hindi, Bengali, Indonesian and Chinese. The AI tutor also replies in your chosen language by default, and follows you if you write to it in another.
Is it just giving me answers?+
No. It teaches the steps so you learn the method, then generates practice from your own notes to make it stick.
Stop memorising. Start understanding.
Join free — no card, no trial clock — and solve your first problem in minutes.
Start free