What is Photomath? Is it cheating? What parents should know
Photomath is a free math app, owned by Google, that solves a problem from a phone photo and shows the steps. Using it to check finished work or understand a method is studying; photographing the worksheet before trying it and copying the steps is cheating. The app can't tell you which one happened — asking your child to explain one step out loud can.
Photomath is a free math app that reads a problem through your child's phone camera — printed or handwritten — and instantly shows the answer with every step worked out. It covers everything from basic arithmetic to calculus, and it's owned by Google. Whether using it counts as cheating depends on one thing: did your child try the problem first, or did the app? This guide explains what Photomath is, where schools draw the line, and how to check in two minutes.
What is Photomath?
Photomath started as a "camera calculator" and became one of the most downloaded math apps in the world. Your child points the camera at an equation, and the app shows the solution plus a step-by-step breakdown, often with several methods and short animated explanations. Google bought it in 2023 and has folded its technology into Google Lens and search, so the same solve-from-a-photo trick now works well beyond the app itself.
Unlike Gauth or Brainly, Photomath is math-only and doesn't rely on other students' answers — every solution is computed. That makes it very accurate on standard problems, which is exactly why it's so tempting on a worksheet.
Is Photomath cheating? It depends on one thing
Schools with written homework and AI policies almost all draw the same line:
- Not cheating: solving the problem yourself, then using Photomath to check the answer or find the step where you went wrong. That's studying.
- Not cheating: stepping through a worked example to understand a method, then solving new problems without the app.
- Cheating: scanning the worksheet before attempting it and copying the steps. The work handed in is the app's, not the student's.
From the outside, all three look the same: a kid, a phone, a finished worksheet with neat steps. The only reliable test is a conversation.
What the app gives your kid vs. what you need to know
| Photomath (and Gauth, Brainly) | What a parent actually needs | |
|---|---|---|
| Who it's for | The kid | You |
| What it does | Photo in, worked steps out | Tells you whether the steps were understood or copied |
| When it's used | During homework — can replace the thinking | After — confirms the thinking happened |
| The output | A correct answer with steps | A plain-language read you can act on |
| The risk | Kid freezes on the test, where the phone isn't allowed | None — it asks questions, it doesn't grade |
Photomath gives answers. What parents need is the questions. Paste the finished work into our homework checker for a plain-language read on what looks like your kid's thinking. If they're genuinely stuck, explain my kid's homework explains the method with different numbers — never the answer to their assignment.
The 3 questions to ask tonight
- "Which problem was hardest?" A child who did the work has an opinion. A child who scanned it has to invent one — you'll see the pause.
- "Walk me through this step." Point at a middle step. Photomath's steps are tidy; a kid who copied them usually can't say why a step happens.
- "Can you do this one without the phone?" Write a near-identical problem with different numbers. Two minutes, and you'll know.
Is Photomath allowed at school?
Most teachers are fine with Photomath for checking work and practice, and many actively recommend it for studying. Where it's banned is graded homework submitted as the student's own. Teachers also recognize its fingerprints: textbook-perfect steps, methods the class hasn't covered, and zero crossed-out mistakes. Our school AI policy explainer covers what to ask if the rules aren't written down.
Deleting it won't work — do this instead
Photomath's tech is now built into Google Lens, which is on nearly every phone and Chromebook. You can delete the app and the camera will still solve the problem. Agree on the rule instead: attempt first, app second, explain out loud after. Our one-page AI homework rulebook puts it on the fridge.
Frequently asked questions
What is Photomath?
Photomath is a free math app, owned by Google, that solves math problems from a phone photo — printed or handwritten — and shows step-by-step solutions. It covers arithmetic through calculus and is one of the most downloaded education apps in the world.
Is Photomath cheating?
It depends on timing. Solving a problem first and using Photomath to check the answer or understand a method is studying. Scanning the worksheet before attempting it and copying the steps is cheating, because the submitted work isn't the student's.
Is Photomath free?
The basic solver with steps is free. Photomath Plus is a paid tier with extra explanations and textbook solutions. The free version is enough to complete most math homework.
Can teachers tell if a student used Photomath?
Often. Copied Photomath work tends to have textbook-perfect steps, methods not taught in class, and no mistakes or crossed-out work. Teachers also ask students to solve a similar problem in class, which copied work doesn't survive.
Is Photomath safe for kids?
Yes, in the usual sense — there's no chat or stranger contact. The risks are academic (skipping the learning) and the normal data trade-offs of a free Google-owned app.
Should I delete Photomath from my child's phone?
It rarely helps: the same solve-from-a-photo feature is built into Google Lens. A clear rule — attempt first, check with the app second, explain a step out loud after — works better than a ban.
Have a specific piece of homework in mind?
Paste it — or a screenshot of it — into the Homework Check on our homepage and ask your question. You'll get a plain-language read on whether the thinking looks like your kid's, what stood out, and the questions worth asking them. First check is free.