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Editorial Team · 2026-10-11
Best AI Homework and Study Apps, Ranked
By Editorial Team · published 2026-10-06 · updated 2026-10-06
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A homework app can do the problem for a student or teach them how. The best one on a phone does the first in a way that leads to the second: Photomath reads a printed or handwritten maths problem with the camera and shows every step for free. Behind it, a nonprofit with no ads at all, a verified-answer archive, a flashcard giant with a paywall in the middle, an expert line open around the clock, and a speaking tutor that stops after five minutes. Prices are as of October 2026.
How we picked
We ranked six study apps from our catalogue — Photomath, Khan Academy, Brainly, Gauth, Quizlet and Learna — on what a student gets without paying, whether the app explains or just answers, what the paid tier costs, and the limits in each app's own terms, from age rules to offline use.
The test that matters most is the one a parent would apply: does the student understand the problem better afterwards? An app that shows a final answer fails that test however clever its AI.
1. Photomath — every step, free
Photomath reads printed and handwritten problems with the camera, from arithmetic to calculus, and returns step-by-step solutions at no cost. That is the core of what a stuck student needs, and it is free.
The paid Plus tier adds Animated Tutorials, hints and extra "how" and "why" tips for $9.99 a month in the US. Two limits: nothing solves offline, and statistics and two-variable inequalities are unsupported. Our score: 7.4. It wins because the steps — the part that teaches — are not behind the paywall.
2. Khan Academy — the free teacher behind the answer
Khan Academy is a nonprofit library of videos, articles and practice exercises, free and with no ads. Each skill is worth 100 Mastery Points, and Mastery Challenges and Course Challenges test what has already been practised. The app works without an account and in 26 interface languages.
It is not an AI shortcut, and that is the point: when Photomath's steps are not enough, this is where the topic is taught from the start. Recent reviews describe sign-in loops and repeated logouts, and parts of the site stay web-only. Our score is the highest here, 8.1.
3. Brainly — answers checked by people
Brainly is built on a moderated question archive with Verified Answers checked by experts, a Scan to Solve camera for maths, and an AI Companion that works from an uploaded PDF. Test Prep turns your files into daily practice sets, and a separate Tutor tier adds 20 live sessions a month.
The free Basic plan shows ads and caps access; Plus costs $9.99 a month on Apple's US listing. Our score: 7.1. Its strength is the human check on answers, which matters for subjects where AI is most often confidently wrong.
4. Gauth — science as well as maths, and experts on call
Gauth photographs a problem in maths, physics, chemistry or biology and explains it step by step, adds an AI Live Tutor you can ask by voice, and can send a question to human experts around the clock. Gauth Plus, $11.99 a month in the US, lifts the answer caps.
The terms set a minimum age of 13 and disclaim accuracy, and free users report frequent ad breaks. Our score: 7.1. Choose it over Photomath when the homework is science rather than maths.
5. Quizlet — flashcards free, studying paid
Quizlet is free for flashcards and the Match game, and it adds AI Study Guides, Audio Notes recorded from lectures, Ask Quizlet and Expert Solutions for textbook problems. But Learn, full Test sessions and offline study sit behind Plus, and the app shows ads.
Free accounts get one practice Test per set and a limited number of Learn rounds — the modes that actually build memory. Our score: 7.1.
6. Learna — a speaking tutor with a five-minute wall
Learna turns English practice into a video call with an animated AI tutor: you answer out loud, and it hands your sentence back corrected, with Spanish, French and German beside English. It is sold under Deep Flow Software Services, a Dubai Digital Park company, and Codeway lists it among its brands.
Speaking practice stops after about five minutes, then a card-backed seven-day trial turns into weekly billing. Our score: 6.1.
What it costs to pay
If the free tiers stop being enough, the paid plans line up like this, as of October 2026:
- Photomath Plus: $9.99 a month in the US, for animated tutorials and extra hints.
- Brainly Plus: $9.99 a month on Apple's US listing; the Tutor tier with 20 live sessions is separate.
- Gauth Plus: $11.99 a month in the US, which lifts the answer caps.
- Quizlet Plus: unlocks Learn, full Tests and offline study.
- Learna: weekly billing after a card-backed seven-day trial.
- Khan Academy: nothing to buy.
For most families, one of these is enough, and the right one depends on the subject that causes the trouble. Paying for two solvers rarely makes sense when the free steps already cover the method.
Where AI answers go wrong
The limits in these apps' own terms are worth reading as warnings. Gauth disclaims accuracy outright. Photomath does not support statistics or two-variable inequalities, so a camera scan of those returns nothing useful. Brainly's Verified Answers exist precisely because an unchecked answer in an archive, human or AI, can be wrong.
The practical rule: treat an AI solution as a worked example to check against, not as the answer to copy. If the steps do not make sense, that is the moment to open Khan Academy, not to scan the next problem.
Answering versus teaching
Every app here can produce an answer. The difference is what happens next. Photomath and Gauth show steps; Khan Academy teaches the topic the steps come from; Brainly adds a human check; Quizlet turns material into memory practice, if you pay. A sensible setup for a student is one solver and one teacher — Photomath and Khan Academy together cost nothing.
Bottom line
Photomath is the best AI homework app because the step-by-step solution, the part that teaches, is free. Pair it with Khan Academy, free and ad-free, for the topics behind the steps, and use Gauth when the homework is science. Pay for Brainly when answers need a human check; skip Learna's trial unless you mean to subscribe.
