Snap or type a problem and Gauth answers in seconds. Its real pitch is range: one app that both solves problems across subjects and builds full guided lessons, with a 24/7 tutor a tap away. It is aimed at students from middle school to early college who want fast homework help and a path to actually learning the material.
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Gauth began life as Gauthmath, a camera-based math solver, before ByteDance widened it into something closer to a full study platform. Today a student can point it at almost any homework question, from a calculus integral to a chemistry balance, and get a worked solution back in seconds.
Underneath the solver sits a larger set of tools. Gauth Academy turns a topic into a guided lesson, and an AI voice tutor walks through concepts on a whiteboard. For the problems the AI cannot crack, a network of human experts stands by around the clock. There is also a study toolbox for writing help and note conversion. The through line is one app trying to replace a shelf of separate homework helpers, aimed at students from middle school up to early college.
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Five tests covering the solver and the full course-builder flow, run on the web app.
To push past the easy wins, I handed Gauth a hard definite integral, the kind that separates a real solver from a lookup table. It returned a closed-form answer with an explanation in a few seconds, fast enough to impress.
Then I read the working. The solution leaned on integration by parts, a reasonable route, but one of the displayed steps held a plain mathematical error. The final answer looked right. The path it drew to get there did not hold up.
The real surprise was not in the solver. Tucked beside it, Gauth Academy lays out science lessons as visual cards, physics sitting next to everyday-science explainers. It reframes the app from answer machine into something nearer a self-guided catalog.
Topic: Perimeter and Area of Rectangles. Focus: basic definitions.
Create Course is where Gauth stops reacting and starts building. It opened with a grid of suggested topics, an odd mix that set rectangles beside rocks and minerals. I picked Perimeter and Area of Rectangles.
Before writing a word of the lesson, it asked how familiar I already was with the subject. That answer fed into what came next.
I narrowed the scope to basic definitions, and Gauth offered a choice of layout: an Infinite Canvas or a set of Visual Slides.
The payoff is the lesson itself. For perimeter, Gauth skipped the dry formula and opened with a fence: how much fencing it takes to enclose a rectangular yard. That is the example a good teacher reaches for, concrete before abstract, and it landed at the beginner level I had asked for.
What actually works
The course-builder flow held together start to finish. Pick a topic, answer one question about your level, and Gauth produces a clear, beginner-appropriate lesson built around a real-world example. For learning a new concept from scratch, this beat the raw solver.
Trust the answer, not the steps
On the hard integral, Gauth showed a confident closed-form result sitting on top of working that contained a real error in its integration by parts. For anyone leaning on the steps to learn, or to show work in class, that is a flaw you cannot catch unless you already know the answer. Check every line.
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Step-by-step reliability (5.5). The lowest score, and the one that matters most. On the hard integral, a displayed line in the integration by parts was wrong. It sits here rather than lower because on routine problems the steps are legible and usually sound. It sits well below everything else because a single bad line in shown working defeats the point of a learning tool.
Final-answer accuracy (7.0). The closed-form result it produced looked correct, and on standard problems users report dependable answers. Not higher, because the hard case still needed independent checking and advanced work draws the most complaints. Not lower, because the everyday homework it is built for generally lands.
Answer speed (8.5). Solutions arrived within a few seconds on every attempt. It falls just short of the top only because the most complex problems take a beat longer to render.
Course builder (8.0). The Academy flow produced a clear, level-appropriate lesson from topic to finished page. Held back from higher by scattershot topic suggestions. Kept well up by a result that was actually usable.
Free-tier usefulness (6.0). Enough for the occasional question, but reviewers increasingly describe ads sitting between them and an answer, which thins out the free experience over time.
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| Plan | Free$0 | PLUS Monthly$11.99/mo | PLUS Quarterly$31.99/qtr | PLUS AnnualBest Value$99.99/yr |
|---|---|---|---|---|
| AI answers | Limited, ad-gated | Unlimited | Unlimited | Unlimited |
| Step-by-step explanations | Limited | Yes | Yes | Yes |
| AI tutor & video library | No | Yes | Yes | Yes |
| Effective monthly cost | $0 | $11.99 | $10.66 | $8.33 |
What you're actually paying: the free tier handles the occasional question but increasingly puts ads between you and an answer. Paying for PLUS removes the limits and unlocks the AI tutor and video library. Only the annual plan meaningfully lowers the effective monthly cost, so the monthly and quarterly tiers pay more for identical access.
Pricing verified October 17, 2026 from Gauth's official App Store listing. Trials and rates shift often, so confirm current figures on the official app listing before subscribing.
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| Tool | Price | Best For |
|---|---|---|
| Gauth | Free; PLUS from $11.99/mo | Multi-subject homework help with built-in courses and tutors |
| Photomath | Free; $9.99/mo or $69.99/yr | Learning math step by step from a phone photo |
| Mathway | Free; $9.99/mo or $39.99/yr | Fast math answers and a deep calculator library |
| Khan Academy | Free | Structured, teacher-built courses and practice |
Pick by how much teaching you want wrapped around the answer. Photomath and Mathway are sharper if your problem set is pure math, with Photomath leaning toward understanding and Mathway toward speed. Khan Academy is the move if you would rather learn the whole unit than solve tonight's single question, and it costs nothing. Gauth earns its place when your homework spans subjects and you want a solver and guided lessons under one login.
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Testing is one lens. Here is what students and parents report after living with Gauth.
"It give the explanation as to how they got the answer"
"it has access to the majority of the questions"
"Some of the answers were just wrong"
"REFUSES to change its answer even if you tell them"
"their cancellation system does not work"
"I don't want to have to listen to some creepy fake AI person"
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Discussion
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