Gauth

★★★★☆3.9 / 5 editorial Freemium Free with a daily allowance of problem solutions. Gauth Plus adds unlimited solving and faster tutor access, priced in the app; check the official site or app store listing for current rates.

Snap a homework problem and get step-by-step solutions across every subject

✓ Editor-verified listing — details reviewed by Grab AI Tool editors; pricing re-checked regularly.

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What is Gauth?

Gauth is a homework-solving app built around the camera: photograph a problem and receive a step-by-step solution in seconds. Maths is its home turf — algebra, geometry, calculus — but it also handles physics, chemistry, biology and other school subjects, explaining each step rather than dropping a final answer. When the AI struggles, the app can route questions to human tutors for a more careful walkthrough.

Its speed and simplicity made it a fixture on students' phones, and recent versions added an AI chat companion for follow-up questions and concept explanations. The app is free to download with a limited number of daily solutions; a Plus subscription adds unlimited solving and priority tutor access. It is a homework accelerator first and a teacher second, so how much learning happens depends on how honestly students use the steps.

Key Features

Photo-based problem solving in seconds
Step-by-step solutions across school subjects
Human tutor backup for hard problems
AI chat for follow-up explanations
Strong maths coverage from algebra to calculus

Pros

Extremely fast on standard homework problems
Steps help if you actually read them
Human tutors catch what the AI misses

Cons

Tempting to copy answers without learning
Advanced problems can get wrong or vague solutions
Daily free limits push the subscription

Pricing

Model: Freemium
Free with a daily allowance of problem solutions. Gauth Plus adds unlimited solving and faster tutor access, priced in the app; check the official site or app store listing for current rates.

Adding Up Your AI Bill?

If you pay for Gauth alongside other AI subscriptions, the monthly total adds up quietly. Tick every tool you pay for in our free AI Tool Cost Calculator to see your real monthly and yearly bill — and spot overlaps you can cut. Still choosing? Start with our guide on how to choose the right AI tool.