Understand faster.
Score higher.
"What used to take me 2 hours, I now cover in 20 minutes."
Acuity is your AI study companion — solving exercises step by step, generating revision sheets, and coaching you through every subject, at any level.
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Everything you need to study smarter
Homework
Snap a photo. Get the answer — and understand it.
Point your camera at any exercise — handwritten, printed, or from a textbook. Acuity reads it, selects the best AI model for the subject, and returns a full step-by-step solution in seconds.
- Scan with camera, import a PDF, or type manually
- Covers all subjects: Math, Physics, Chemistry, History, Languages, and more
- Each step is explained — not just the final answer
- Ask Mathilda to dig deeper into any step you didn't follow
Revision sheets
Turn your notes into a clean revision sheet — instantly.
Scan your handwritten notes or import a PDF and Acuity generates a structured, fully readable revision sheet in seconds. No more hours spent rewriting your lessons.
- Generated from a scan, a PDF, a prompt, or written from scratch
- Fully editable — reorganize, add, rephrase anything
- Organized into subject folders with custom color and icon
- Includes an estimated learning time based on the content
Quizzes & Flashcards
Test yourself until the lesson sticks.
Any revision sheet becomes a quiz in one tap. Two complementary modes: multiple choice to start memorizing, flashcards to verify real mastery. Your score is tracked over time so you always know where you stand.
- MCQ mode for initial memorization
- Flashcard mode for deep, exam-ready retention
- Scores and mastery grades tracked per subject
- Works offline — revise anywhere, anytime
Mathilda — AI Coach
Your personal tutor. Available 24/7, endlessly patient.
Mathilda is Acuity's built-in AI coach. She doesn't just answer questions — she guides you, explains step by step, and helps you build real understanding. Ask her anything related to school, at any hour.
- Explains any step in a solution you didn't understand
- Helps with writing, proofreading, translation, and presentations
- Creates practice exercises similar to the one you just solved
- Never judges — always encouraging
Why students choose Acuity
Understand, don't just copy
Every solution comes with a full step-by-step explanation — so you can do it again on your own next time.
Every subject, every level
Math, Physics, History, Languages, Philosophy — from middle school to university, all in one app.
The most accurate AI
Each question is routed to the best AI model for its subject and complexity. Not one-size-fits-all — the right tool for the right answer.
Available at 2am. No appointment.
Mathilda is always there — patient and precise. A private tutor costs €40–80/hour and needs scheduling. Acuity costs a fraction of that, with no constraints.
One app for your entire workflow
Exercises, revision sheets, quizzes, coaching — no more juggling a dozen tools. Acuity covers it all.
Ready in seconds
No sign-up, no email, no friction. Download and start. Your data stays yours.
Tested by students,
approved by parents
"I was really struggling with my math and science homework. You snap a photo of your exercise and the AI gives you a clear answer with real explanations — not just the result. Game changer for my GPA."
"It's like having a private tutor available at any time of the day. I'm at university and it helps me enormously. I wish I'd had it earlier in my school years."
"My parents aren't always available to help me study. Now I can do it on my own — I scan my lesson, Acuity generates a quiz, and I get a score so I know if I've actually learned it. Incredible."
"What really impressed me is the level of detail after scanning an exercise. Being able to ask Mathilda about any specific step I didn't understand is brilliant — like a tutor who never gets tired of your questions."
"A fantastic tool for all students. It helps you build notes and flashcards for faster learning. Super easy and convenient. I recommend it to every student struggling to keep up with their coursework."
"I've been using Acuity every day for my A-levels. Once your subjects are set up, it just works. My friends and I share revision sheets between us — it's become part of how we prepare for exams."
"This app actually improved my grades on exams and assignments. I didn't expect it to make such a difference so quickly. Best study investment I've made."
"I tried several apps before and switched to Acuity. No regrets — it's more complete and genuinely more helpful. The explanations are clear, the interface is beautiful, and Mathilda is just great."
"I used to spend hours preparing for tests and still feel unprepared. With Acuity I scan my notes, get a clean revision sheet in seconds, and quiz myself right after. It completely changed how I study."
Frequently Asked Questions
Acuity is an AI-powered study app for students of all levels. It helps you solve exercises step by step, generate revision sheets, prepare quizzes, and chat with Mathilda — your personal AI coach — to get clear, educational answers to all your academic questions.
Acuity works for students from middle school through university, but also for parents who want to actively support their child's studies without needing to master every subject themselves. Teachers use it as a classroom complement, and advanced learners find in it a tool that keeps up with their ambitions. Essentially: if learning matters to you, Acuity is built for you.
Acuity always provides step-by-step explanations, not just final answers. The goal is to help you truly understand the reasoning behind each solution so you can tackle similar problems on your own. Think of it as a tutor, not a cheat sheet.
Yes. Acuity doesn't push a fixed curriculum — it follows you. Struggling with a concept? It goes deeper and tries a different angle. Moving fast? It keeps up. The experience adjusts naturally to where you are, not where a lesson plan expects you to be.
Acuity is a specialized AI tutor focused on learning and explaining academic subjects, while ChatGPT is a general-purpose language model. Acuity is specifically designed for education, offering structured learning, adapting to individual progress, and ensuring in-depth understanding of topics. ChatGPT provides general answers without adapting to the learning process. On top of that, Acuity lets you scan a photo of any exercise, generate revision sheets, and quiz yourself — all from one app built entirely for students.
Those tools stop at the answer. Acuity starts there. Once a solution is found, Acuity walks you through the underlying logic — so next time a similar problem appears on an exam, you're not stuck. The goal isn't to solve your homework for you; it's to make sure you could solve it yourself.
Yes, Acuity is free to use with daily limits on exercises, revision sheets, and Mathilda messages. For unlimited access to all features, you can subscribe monthly or yearly — the yearly plan offers a significant discount.
Absolutely. You can cancel at any time, and your access continues until the end of the current billing period — no questions asked.
No account needed. Acuity works instantly without asking for your name, email, or any personal data. Just download and start studying right away.
Privacy is built into Acuity from day one. We collect no personal data — no name, no email, no IP address. There are no ads and your data is never sold. Your content is processed anonymously to generate responses and is never linked to any identity.
No — and it doesn't try to. A good teacher brings context, intuition, and human connection that no app can replicate. What Acuity does is fill the gaps: the moment at 10pm when no tutor is available, the concept that wasn't clear in class, the revision session before an exam. Quality private tutoring is a privilege not everyone has access to — Acuity makes personalized academic support available to every student, anytime.
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