The 10 Best AI Tools for Homework Help in 2027

How We Ranked These

Homework help is not one job, so I scored every tool against five things that matter when a real assignment is due.

• Pedagogy over answer-dumping. Tools that guide a student to the answer (and refuse to just write the essay) score highest, because they survive Turnitin and actually teach.
• Subject accuracy. Math, chemistry, and code get checked hardest — a confident wrong answer is worse than none.
• Show-your-work. Step-by-step explanations a student can reproduce on a test, not just a final number.
• Price and access. Free tiers, student discounts, and school-district availability.
• Safety and academic integrity. Age-appropriate guardrails, citation behavior, and whether the output trips an AI detector.

1. Khanmigo 🏆 BEST OVERALL

Khanmigo is Khan Academy's AI tutor, first released in 2023 and built on OpenAI's models. It is the only mainstream tool designed from the start to *not* give the answer — ask it to solve your equation and it answers with a question, walking you through each step the way a good human tutor would. That single design choice is why it tops this list: a student using Khanmigo is doing the thinking, so the work holds up under a teacher's scrutiny.

It is best for K-12 and early college, covering math through calculus, science, humanities, grammar, and SAT/AP test prep, with the tutor wired directly into Khan Academy's own exercise library. Teachers get a separate dashboard to see where a class is stuck. For individual families, Khanmigo runs about $4/month or $44/year — among the cheapest AI subscriptions of any kind.

The standout 2027 advantage is institutional reach: Khanmigo is free for teachers across many U.S. districts through Khan Academy's nonprofit funding, so a lot of students already have school-provided access. If your child's district participates, the personal subscription is optional. The tradeoff is that Khanmigo is deliberately slower and more constrained than a raw chatbot — by design, it will frustrate a student who just wants the answer copied down.

2. ChatGPT

ChatGPT from OpenAI is the most capable all-purpose homework engine, full stop. For essay outlining, brainstorming a thesis, debugging Python, translating a language passage, or explaining a dense reading, nothing else matches its range. By 2027 it handles uploaded PDFs, photos of worksheets, and voice questions in one thread.

It is best for high school and college students working on writing, coding, and conceptual questions where there isn't one tidy numeric answer. The free tier covers most homework needs; ChatGPT Plus at $20/month adds the strongest reasoning models and higher limits. OpenAI's Study Mode (a setting that makes the model coach instead of answer) closes some of the integrity gap with Khanmigo, but it's opt-in — left off, ChatGPT will happily write the whole essay, which is exactly what gets students caught.

3. Google Gemini

Google Gemini is Google's flagship assistant and the most convenient option for anyone already living in Google Workspace for Education. It reads Google Docs, pulls from Search, handles images and long PDFs, and its Guided Learning mode (rolled out in 2025) coaches students through problems step by step rather than spitting out solutions.

It's best for research-heavy assignments and students who want sourcing they can click through to verify. The standard Gemini app is free; the most powerful models come through Google AI Premium at $19.99/month, which also bundles 2 TB of storage and Gemini inside Docs, Sheets, and Gmail. Students should still verify citations — Gemini, like every model, can attach a real-looking link to a claim it didn't actually find there.

4. Microsoft Copilot

Microsoft Copilot is the best fit for students working inside Microsoft 365 and Windows. It's built into Edge, Word, and the OS itself, so a student can highlight a paragraph in a Word document and ask for an explanation without leaving the page. Copilot in Word can also outline and critique essays, and the free version is genuinely capable.

It's best for Office-based workflows — research papers in Word, data problems in Excel, presentations in PowerPoint. The consumer Copilot is free with a Microsoft account; Copilot Pro at $20/month adds priority access to top models inside the Office apps. Many universities also license Microsoft 365 Copilot for enrolled students, so check your school portal before paying.

5. Photomath 💎 BEST VALUE

Photomath is the homework tool with the highest value-per-dollar, because its core feature — point your camera at a math problem and get the full worked solution — is free. Acquired by Google in 2022, it covers arithmetic through algebra, trigonometry, calculus, and word problems, showing every step with the option to expand any line you don't follow.

It's best for math-specific homework from middle school through early college, especially for students who learn better by reverse-engineering a correct solution than by reading a textbook. Photomath Plus, the paid upgrade, adds animated tutorials and deeper textbook explanations, but the free scanner alone solves the overwhelming majority of assigned problems. Because it shows method rather than just the answer, a student who actually reads the steps learns the procedure for the test.

The honest caveat: Photomath is a copying machine in the wrong hands. A student who photographs every problem and transcribes the answer learns nothing and will fail the exam. Used to *check* work already attempted, it's the best free math resource available.

6. Wolfram Alpha

Wolfram Alpha is a computational knowledge engine, not a chatbot — and for hard STEM problems that distinction is a strength. Type in an integral, a differential equation, a chemistry formula, or a statistics question, and it computes an exact, verifiable answer using the same engine behind Mathematica. Where general chatbots sometimes fumble arithmetic, Wolfram simply calculates.

It's best for college-level math, physics, engineering, and chemistry. The query engine is free; Wolfram|Alpha Pro (with a student discount in the range of roughly $5 a month billed annually) unlocks the step-by-step solution breakdowns, which are the part students actually need for showing work. Many AI assistants — including ChatGPT via a plugin and others — call Wolfram in the background precisely because its math is trustworthy.

7. Socratic by Google

Socratic by Google is a free mobile app aimed squarely at younger students. Snap a photo of a question — math, science, literature, social studies — and it returns clear explanations plus curated links to videos and reference pages rather than a single answer. It's lighter and more visual than Gemini, which makes it less intimidating for middle and early high school.

It's best for K-12 students who need concepts explained simply and a jumping-off point for further reading. The app is completely free on iOS and Android with no subscription tier. Because it points students toward learning resources instead of finishing the assignment for them, it's one of the more academically honest tools here — though its depth tops out well below Wolfram or ChatGPT for advanced work.

8. Quizlet

Quizlet earns its spot because homework is more than solving problems — a lot of it is memorization, and Quizlet remains the strongest tool for that. Its AI features turn lecture notes or a textbook chapter into flashcards, practice tests, and study guides automatically. Magic Notes converts pasted notes into question sets, and the adaptive Learn mode drills weak spots.

It's best for vocabulary, foreign-language terms, anatomy, history dates, and any subject built on recall. The core app is free; Quizlet Plus (around $35.99/year) removes ads and unlocks the full AI study-set generation and offline access. For exam cramming specifically, no general chatbot replicates Quizlet's spaced-repetition workflow.

9. Grammarly

Grammarly is the writing assistant that keeps a student's voice intact instead of replacing it. It corrects grammar, flags clarity and tone issues, and its 2027 generative features can suggest rewrites — but its real value for homework is catching the errors a student made in their *own* draft, which keeps the work theirs.

It's best for essays, lab reports, and any written assignment where the goal is the student doing the writing and the tool doing the proofreading. There's a solid free tier; Grammarly Premium (commonly around $12/month billed annually) adds full-sentence rewrites, tone adjustment, and a plagiarism checker that lets students self-audit before submitting. Used this way, Grammarly is one of the few AI tools teachers actively encourage.

10. Brainly

Brainly is a hybrid: a massive community homework-help platform with hundreds of millions of student-submitted questions, now layered with an AI tutor. Ask a question and you get both AI-generated explanations and human-answered examples from the archive — useful for seeing how a problem is *typically* solved.

It's best for K-12 students who want a quick explanation plus community context. There's a free, ad-supported tier; the paid Brainly Plus removes ads and unlocks verified expert answers and the full AI tutor. Quality is the catch — community answers vary, so anything pulled from the archive should be cross-checked against a more authoritative tool like Wolfram or Khanmigo before trusting it.

FAQ

Will my teacher know I used an AI homework tool? If you submit text a chatbot wrote, very possibly — Turnitin and similar AI detectors flag patterns in generated writing. Tools like Khanmigo, Photomath, and Grammarly that help you produce your own work in your own words are far safer than pasting raw ChatGPT output.

What is the best free AI homework tool? For math, Photomath and Socratic by Google are fully free and excellent. For general help, the ChatGPT and Google Gemini free tiers cover most needs without paying anything.

Is it cheating to use these tools? Using them to *learn* — checking your work, explaining a concept, generating practice questions — is what they're built for. Submitting AI-written answers as your own is plagiarism at most schools. Check your institution's specific academic integrity policy.

Which tool is best for math specifically? Wolfram Alpha for exact answers to hard problems, Photomath for free step-by-step from a photo, and Khanmigo when you want to be tutored through it rather than handed the result.

Are these safe for younger kids? Khanmigo and Socratic by Google have the strongest age-appropriate guardrails. General assistants like ChatGPT and Gemini have minimum age requirements (typically 13+) and should be supervised for younger students.

Do any of these write entire essays for me? ChatGPT, Gemini, and Copilot technically can — but doing so risks an integrity violation and produces detectable text. Use them to outline and critique, then write the draft yourself.

Bottom Line

For most students in 2027, start with Khanmigo — it's cheap, it tutors instead of cheating for you, and it's free through many schools. Pair it with Photomath for free math checking and ChatGPT or Google Gemini for writing and research you rework in your own words. The pattern that wins: use AI to understand the problem, then produce the final work yourself. That's the version that raises a grade *and* survives the teacher's detector.

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Sources

• Khanmigo — Khan Academy AI tutor
• ChatGPT — OpenAI
• Google Gemini
• Microsoft Copilot
• Photomath
• Wolfram Alpha
• Socratic by Google
• Quizlet
• Grammarly
• Brainly

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