Photomath: How It Works, What’s Free & Where It Gets It Wrong
Photomath solves math problems from photos. We tested what it can do, what's free, where it makes mistakes, and how it compares to AI chatbots.
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Photomath is an app that solves math problems from photos: you point your camera at a problem in a textbook, and the program shows you the result and breaks down the steps. It was created long before the AI chat boom and remains one of the most downloaded educational tools. Below: what exactly it can do, what’s free, where it makes mistakes, and how it differs from solving problems in a regular chat.
What It Can Do
- Reading from photos of printed problems and, with less success, handwritten ones.
- Solution steps, not just the answer; this is the app’s main value.
- Range from operations with fractions, through equations and systems of equations, to derivatives and integrals.
- Function graphs and explanations of formulas used.
- Offline mode for some problems, without sending the photo to a server.
What’s Free
Scanning and the result are free. Full step-by-step explanations, animated solutions, and additional methods are in the paid version with a subscription. Exact prices vary by system and change with promotions; we deliberately don’t list a figure we haven’t verified as of September 18, 2026.
Where It Makes Mistakes
Three situations come up most often. Handwriting: a misread exponent or index changes the entire problem, and the app doesn’t signal uncertainty. Word problems: Photomath is strong at calculations, weaker at translating a described problem into an equation. School context: the solution is sometimes correct but written using a method the class hasn’t covered yet, which looks suspicious on a test.
Photomath vs AI Chat
This is now a real choice, because regular chats also solve problems from photos. Photomath is faster, works with one camera movement, and shows steps in a school-standard format. Chat explains better why you do something, answers follow-up questions, and handles word problems better, but makes more calculation errors and can give a wrong answer with full confidence, which we describe in the article on language models. A sensible combination: check calculations in Photomath, and quiz the meaning of the problem in chat.
Is This Cheating
The tool itself isn’t forbidden; it’s how you use it that matters. Copying a ready solution into your notebook is avoiding learning, and it usually shows on the first quiz. Using the app to check your own answer or to understand a step that didn’t work out is something different. How schools view AI use today is described in the articles AI in school and can teachers detect ChatGPT.
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Is Photomath free?
Basic scanning and the result are. Full step-by-step explanations require a subscription.
Does Photomath work without internet?
It solves some problems on the device, without a connection. More complex ones require a network.
Does Photomath recognize handwriting?
Yes, but worse than print. Most errors come from confused exponents, indices, and symbols.
What’s better for math: Photomath or ChatGPT?
For pure calculations and school-standard notation, Photomath; for understanding word problems, chat. This is our assessment from using both, not the result of a test on a set of problems.
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