Best AI Homework Helpers

How We Evaluated These Tools

We tested each AI homework helper across four core subjects: algebra, biology, U.S. history, and English composition. For each subject, we submitted 10 standard homework-level questions drawn from widely used high school and introductory college textbooks. We scored each tool on answer accuracy (did it get the right answer), explanation depth (did it show its work and explain the reasoning), response speed, and usability (how easy is it to input a question and understand the response). Free and paid tiers were evaluated separately where applicable.

ChatGPT

ChatGPT remains the most widely used AI tool among students, and for good reason. Its conversational interface allows students to ask follow-up questions, request simpler explanations, and explore topics in depth through a natural back-and-forth dialogue. The free tier (GPT-4o mini) handles most high school homework competently, while the Plus subscription (GPT-4o and the reasoning-focused o-series models) significantly improves accuracy on complex math, science, and analytical writing prompts.

The main strength of ChatGPT for homework is its versatility. It handles math problems, essay brainstorming, foreign language translation, coding assignments, and science explanations with roughly equal competence. The quality of math step-by-step breakdowns improved substantially with the introduction of reasoning models in late 2024, and the tool now shows its work more consistently than earlier versions. The weakness is that ChatGPT is not designed specifically for students, so it lacks features like textbook scanning, curriculum alignment, and grade-level calibration that dedicated homework apps provide.

Best for: students who need help across multiple subjects and want a conversational, exploratory learning experience rather than a quick answer.

Google Socratic

Socratic by Google is a free, dedicated homework helper app available on iOS and Android. Its standout feature is the camera scanner, which lets students photograph a printed or handwritten question and receive an explanation within seconds. Socratic draws on Google's search index, Knowledge Graph, and AI models to provide curated explanations that often include links to relevant Khan Academy videos, educational websites, and visual aids.

Socratic performs particularly well on science and math questions at the middle school and high school level. Its explanations are concise and clearly formatted, with visual elements like diagrams and equations rendered neatly. The tool is entirely free with no premium tier, which makes it the best option for students who want reliable help without any cost. The limitation is that Socratic's responses are shorter and less detailed than what ChatGPT or premium homework apps provide, and it does not support multi-turn conversations or follow-up questions.

Best for: middle school and high school students who want quick, free explanations with camera scanning built in.

Question AI

Question AI has emerged as one of the most popular dedicated homework helper apps, with a strong user base among high school and college students. The app combines camera scanning with a powerful AI engine that provides detailed, step-by-step solutions across math, science, English, and social studies. Its interface is clean and student-focused, with features like solution history, bookmarked explanations, and practice problem suggestions.

The free tier of Question AI offers a generous daily question allowance with full step-by-step explanations, making it one of the best free options available. The premium tier adds unlimited questions, faster processing, and priority access during peak hours. Accuracy on math and science problems is competitive with ChatGPT, and the structured formatting of solutions makes them easier to follow than a chatbot's conversational output. The app also handles essay feedback and grammar checking competently, though it is not as strong as dedicated writing tools for lengthy composition work.

Best for: students who want a polished, homework-specific app with strong free-tier access and camera scanning across all subjects.

StudyX

StudyX positions itself as an all-in-one study companion rather than just a homework solver. In addition to its AI question-answering engine, the app includes flashcard generation, quiz creation, note summarization, and study scheduling features. This broader approach makes it useful beyond individual homework assignments, as students can use it to prepare for exams, organize study materials, and track their learning progress over time.

The homework-solving component of StudyX is solid, with accurate responses on standard textbook problems and clear step-by-step formatting. The AI handles math, science, and humanities questions competently. Where StudyX differentiates itself is in the study ecosystem around the solver. Students can save solutions to study sets, generate flashcards from key concepts in their homework explanations, and create practice quizzes based on topics they struggled with. For students who want more than just answers, StudyX offers genuine study utility.

Best for: students who want a combined homework helper and study organizer in a single app.

Photomath

Photomath is the leading math-specific homework helper, with the most refined camera scanning for mathematical notation and the most detailed step-by-step breakdowns in the category. The app uses a combination of OCR, computer algebra, and AI explanation to recognize math problems from photos and solve them with animated, step-by-step solutions that show exactly how to get from the problem to the answer.

The free version of Photomath provides the final answer and a basic solution outline, while Photomath Plus adds detailed explanations, alternative solution methods, and animated walkthroughs. The app covers arithmetic through calculus, including algebra, geometry, trigonometry, statistics, and word problems. Its accuracy on math is the highest of any tool we tested, particularly for algebraic manipulation, equation solving, and graphing. The obvious limitation is that Photomath only handles math, so students who need help with other subjects will need a second tool.

Best for: students who primarily need math help and want the most accurate, detailed step-by-step solutions available.

Khanmigo

Khanmigo is Khan Academy's AI tutoring assistant, and it takes a fundamentally different approach from other homework helpers. Instead of solving the problem and showing the steps, Khanmigo guides the student through the problem by asking leading questions, providing hints, and prompting them to attempt each step themselves. This Socratic tutoring method is more effortful than getting a direct answer, but research shows it produces significantly better long-term learning outcomes.

Khanmigo is free for students in the United States through Khan Academy's partnerships with school districts and philanthropic organizations. The tool integrates directly with Khan Academy's extensive library of instructional videos, practice exercises, and course materials. For students who struggle with a subject and need to build foundational understanding rather than just complete tonight's assignment, Khanmigo is the most pedagogically sound option available. The tradeoff is that it requires more time and engagement than a quick solver, and students looking for fast answers may find the guided approach frustrating.

Best for: students who want genuine tutoring and concept mastery rather than quick answers, especially in math and science.

Google Gemini

Google Gemini is Google's flagship AI model, available for free through the Gemini web app and mobile apps. As a general-purpose AI, it handles homework questions across all subjects with strong accuracy and detailed explanations. Gemini's particular strength is its integration with Google Search, which allows it to reference current information and provide links to relevant educational resources alongside its AI-generated explanations.

Gemini handles math, science, history, and writing prompts competently, with explanation quality comparable to ChatGPT. The free tier is generous, with no strict daily question limits for most use cases. Gemini also supports image input, so students can upload photos of their homework for analysis, though the photo-solving workflow is not as polished as what dedicated apps like Socratic or Photomath offer. For students already in the Google ecosystem who use Google Docs, Classroom, and Drive, Gemini integrates smoothly as an additional study tool.

Best for: students who want a free, capable general-purpose AI with strong search integration and Google ecosystem compatibility.

Which Tool Should You Choose

The best homework helper depends on your primary needs. If you want the most versatile conversational AI, ChatGPT is the strongest choice. If you need math-specific help with the best step-by-step detail, Photomath leads the category. If you want a free, student-focused app with camera scanning, Socratic or Question AI are excellent options. If genuine learning and concept mastery matter more than fast answers, Khanmigo stands alone. And if you want an all-in-one study tool that goes beyond just solving problems, StudyX provides the broadest feature set.

Many students end up using two or three tools depending on the subject and situation. A common combination is a general chatbot like ChatGPT or Gemini for writing and humanities, plus a dedicated math solver like Photomath for calculation-heavy assignments. Experimenting with the free tiers of several tools before committing to a paid plan is the best way to find the combination that works for your specific classes and learning style.