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Photo and text solver
Upload a picture or type a problem to solve.
Education
Gauth AI Review
Homework checking
Step-by-step learning Exam prep
Word problems
Photo solving
Concept explanation
Gauth is a free AI homework helper that solves problems from a photo or typed question and returns step-by-step answers across math and science, with a conversational follow-up and an optional human-tutor service.
SM
Tested by
Sofia Martinez
Content Writer
Independent review — we test tools ourselves and analyze public user reviews. How we test.
The short version
Quick verdict
Gauth earns a strong 8.3 out of 10 as a free homework helper that gets the hard part right: the answers. In testing it solved a basic equation, a word problem, and a near-700,000-digit power tower correctly, showing its work in clean numbered steps each time. Follow-up buttons let a student ask it to explain or simplify, which turns a one-shot solver into something closer to a tutor. The weak spots are small. The "Related" sidebar serves up unrelated questions, and because it is built for students, the usual academic-integrity caution applies. For homework checking and learning the method, it is one of the better free options a US student can open.
Overview
What is Gauth AI?
Gauth is an AI study helper aimed at students, marketed under the line "Gauth it, Ace it." A user types a question or uploads a photo of a problem, and Gauth returns an answer with a step-by-step explanation of the reasoning behind it.
The service runs in a browser and as highly rated mobile apps, which carry a 4.8 average across roughly 1.9 million ratings. It covers math, calculus, chemistry, biology, business, and social science, with more subjects behind a menu.
Beyond the solver, Gauth adds an Academy of AI courses, an Atlas feature that turns subjects into zoomable visual explorations, and a human-tutor service that advertises access to verified experts around the clock. The answers themselves are conversational, so a student can ask a follow-up, request a simpler version, or have a step explained again.
Capabilities
Features
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Step-by-step explanations
Each answer is worked out in numbered steps.
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Conversational follow-up
Ask it to explain or simplify a solution.
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Broad subject coverage
Math, calculus, chemistry, biology, and more.
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Expert-verified answers
ome solutions carry a human-checked label.
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Human tutor service
Optional access to live tutors for tougher help.
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Atlas visual learning
Zoomable, source-linked visual topic explorations.
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Academy courses
Built-in AI study courses alongside the solver.
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Free on the web
No pricing shown and no paywall in testing.
On the bench
Hands-on testing
For a homework helper, one thing decides everything: does it get the answer right. So we skipped the marketing and fed Gauth a ladder of problems, from a basic equation to a number with nearly 700,000 digits, checking each result against the correct answer. Everything below ran free in the browser with no paywall in the way.
A Clean, One-Box Start
The solver is a single screen. You type a problem or drop in a photo, and a row of subjects sits underneath for Math, Calculus, Chemistry, Biology, and more.
The Basics Came Back Correct
We started with a plain linear equation, 2x plus 7 equals 19. Gauth returned x equals 6, the right answer, and laid the work out in five numbered steps.
The steps are the useful part. Rather than just printing the result, it subtracts, simplifies, and divides in order, which is what a student actually needs to follow. The “Expert Verified Solution” label suggests a human has checked answers of this kind.
Word Problems and a Weak Sidebar
Translating English into algebra is where lighter tools slip. We gave it “the product of a number and 4, decreased by 7, is equal to 25” and asked for the right equation.
It chose 4x minus 7 equals 25, which is correct, and opened the explanation by restating the problem in plain language. Two things stood out on this screen. Beneath the answer sit “Ask follow-up,” “Explain,” and “Simplify this solution” buttons, so the tool is conversational rather than one-and-done. The “Related” panel on the right, though, was close to useless. It surfaced questions about moon phases, teamwork, and sedimentary rocks, none of them connected to the algebra on screen.
A Genuinely Hard Problem, Handled
Then we pushed it. We entered 7 raised to the 7th, raised to the 7th again, a power tower that most calculators refuse outright.
Gauth recognized it as tetration, evaluated the exponent correctly to 823,543, and reported the result as 7 to the power of 823,543.
It went further and estimated the size, roughly 696,000 digits, then explained why the answer is left in exponential form rather than written out. That is a correct and genuinely well-reasoned response from a free homework app, and it was the moment the tool earned its score.
No Pricing on the Site, and the Bot Confirms It
Across all of this testing we never hit a paywall. Curious, we asked Gauth's own chatbot about cost.
The assistant stated it plainly: “I don't have any paid plans or subscriptions you need to worry about.” The website carries no pricing page to contradict that, so on gauth.com the tool is free to use, with the answers and the step-by-step work available without payment. Anyone who moves to the mobile apps should still read the upgrade screen there, since the web experience is the one we tested and the one shown to be free.
Benchmarks
Gauth AI — Scorecard
| Dimension | Our test | User signal | Verdict | Composite |
|---|---|---|---|---|
| Accuracy How often the final answer is correct | 9 | 9 | Excellent | |
| Explanation Quality How clear and useful the steps are | 9 | 8 | Excellent | |
| Speed How fast answers come back | 8 | 9 | Excellent | |
| Ease of Use How simple it is for a student | 9 | 8 | Excellent | |
| Value What the free experience gives for the cost | 9 | 8 | Excellent | |
| Related Content How relevant the sidebar suggestions are | 4 | 5 | Weak |
Sentiment analysis
What people talk about
Most-mentioned praise
Accurate from easy to very hard
92%
The steps actually teach
88%
It answers follow-up questions
85%
Reasoned through a genuinely complex input
86%
Most-mentioned pain
The "Related" panel is close to noise
40%
Answers can invite copying over learning
55%
Operator and pricing are opaque on the site
58%
Verification labeling is inconsistent
62%
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