How to Use Question AI: Complete Feature Guide (2026)

Hướng dẫn nhanh

This guide covers every Question AI feature:

• Bắt đầu — Tạo tài khoản và thiết lập ứng dụng
• Hướng dẫn sử dụng AI Writer — Draft essays, outlines and summaries with real writing support
• How to Use AI Assistant for Multiple Platforms — Ask AI from your browser, phone or desktop app
• How to Use Advanced Calculator — Work through equations with detailed information at every point
• How to Use Fast Math Solution — Snap a math problem and get accurate answers in seconds
• How to Use Multilingual Translation — Translate homework questions into the language you communicate in
• How to Use Homework Help from PDFs — Upload a PDF and pull homework help from any page
• How to Use Comprehensive Subject Coverage — Cover math, history, business and science in one app
• How to Use Screenshot Extension — Capture any question on screen and solve it instantly
• How to Use Multi-Platform Support — Keep your chat history in sync across every device

Thời gian cần thiết: 5 phút cho mỗi phim

Cũng trong hướng dẫn này: Mẹo chuyên nghiệp | Những lỗi thường gặp | Khắc phục sự cố | Chạy | Các lựa chọn thay thế

Tại sao nên tin tưởng hướng dẫn này?

I’ve used Question AI for eight months across math, history and writing tasks.

Every screen here comes from my own account, not vendor marketing.

Question AI is a homework helper built for students who need answers fast.

Most users treat it like a search engine and stop there.

This guide shows you how to use Question AI the way it was designed.

Step by step, with screenshots and honest notes on where it falls short.

Question AI Tutorial

This Question AI tutorial walks through every key feature, from first login to advanced prompting tips.

Trí tuệ nhân tạo đặt câu hỏi

Stuck on homework at 11pm? Question AI scans your question and returns a worked answer in seconds. Free to use, on web, iOS và Android.

THỬ HỎI ĐÁP TRÍCH NHÂN TẠO NGAY →

ĐỌC TOÀN BỘ BÀI ĐÁNH GIÁ →

Getting Started with Question AI

Before any feature makes sense, finish this one-time setup.

Quá trình này mất khoảng ba phút.

Watch my walkthrough first:

Bây giờ chúng ta hãy cùng phân tích từng bước.

Bước 1: Tạo tài khoản của bạn

Go to questionai.com and click Sign Up.

Enter your email or use a Google login instead.

✓ Điểm kiểm tra: Kiểm tra của bạn hộp thư đến cho email xác nhận.

Bước 2: Tải xuống hoặc truy cập ứng dụng

Use the web app in any browser, or download the iOS or Android version.

Log in with the account you just made.

Đây là giao diện của bảng điều khiển:

✓ Điểm kiểm tra: You should see the ask box and subject shortcuts.

Step 3: Set Your Subject and Level

Pick your grade level and main subject in settings.

This gives the ai tool context before you ask anything.

Skip it and you’ll get generic responses that miss your specific needs.

How to Use Question AI Writer

AI Writer lets you turn a rough idea into finished writing, fast.

Dưới đây là hướng dẫn sử dụng từng bước.

Bước 1: Mở tab AI Writer

Click Writer in the left menu.

Chọn tiểu luận, summary or outline.

Step 2: Describe the Task

Type your topic, word count and tone in one line.

Add an example paragraph if you want it to mimic your writing style.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: A draft appears in the editor within about ten seconds.

Bước 3: Hoàn thiện bản nháp

Ask for a rewrite of any weak section.

Its suggestions are most helpful once you paste your own draft first.

How to Use Question AI Assistant for Multiple Platforms

Trí tuệ nhân tạo Trợ lý for Multiple Platforms lets you ask ai from any screen you are already working on.

Dưới đây là hướng dẫn sử dụng từng bước.

Step 1: Install the Browser Add-On

Grab the extension from the Chrome Web Store.

Step 2: Pin the Assistant

Pin the icon so the ask panel opens beside any page you’re reading.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The side panel opens with your highlighted chữ already loaded.

Step 3: Send Your First Prompt

Highlight text, right-click, then send it straight to ai.

How to Use Question AI Advanced Calculator

Advanced Calculator lets you see how an equation is solved, not just the final number.

Dưới đây là hướng dẫn sử dụng từng bước.

Bước 1: Mở máy tính

Tap the calculator icon on the home screen.

Step 2: Enter the Expression

Type the full equation, brackets included.

Tick “show steps” for more detailed information on each line.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Each step appears with a short note explaining the move.

Step 3: Check Each Line

Read the working before you copy anything down.

That builds a better understanding of the method.

You also get a better grasp of the next problem.

How to Use Question AI Fast Math Solution

Fast Math Solution lets you solve a math problem straight from a photo.

Dưới đây là hướng dẫn sử dụng từng bước.

Step 1: Tap the Camera

Open the scanner from the bottom bar.

Step 2: Frame One Problem

Fit a single question in the box, not the whole page.

Blurry photos are the main cause of wrong reads.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The problem is transcribed correctly above the worked solution.

Step 3: Review the Solutions

Compare the worked answer against your own attempt.

How to Use Question AI Multilingual Translator

Dịch thuật đa ngôn ngữ lets you read and answer homework questions in a language you’re still learning.

Dưới đây là hướng dẫn sử dụng từng bước.

Step 1: Paste or Scan the Text

Drop foreign-language text into the ask box.

Step 2: Pick Your Output Language

Choose the language you want the answer in.

Specifying the output format keeps the reply relevant and tidy.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: You see the translation and the original side by side.

Step 3: Ask a Follow-Up

Request a grammar note on any sentence you missed.

Mention your level so the explanation lands.

How to Use Question AI Homework Help from PDFs

Homework Help from PDFs lets you pull homework help straight out of a lecture PDF.

Dưới đây là hướng dẫn sử dụng từng bước.

Step 1: Upload the File

Click the paperclip and select your PDF.

Step 2: Ask About a Section

Name the page or heading you care about.

Structured context avoids disorganized responses that wander off topic.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Answers quote the page they came from.

Step 3: Request a Summary

Ask for five bullet points you can revise from.

How to Use Question AI Comprehensive Subject Coverage

Comprehensive Subject Coverage lets you cover math, history, việc kinh doanh and science without switching apps.

Dưới đây là hướng dẫn sử dụng từng bước.

Step 1: Choose a Subject

Select the subject chip above the ask box.

Step 2: Ask a Focused Question

Name the topic, the level and what you already know.

Vague prompts are where this tool struggles most.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The answer uses vocabulary from your subject, not generic filler.

Step 3: Push for Depth

Ask for an example after every explanation.

Name where your difficulty sits and it narrows the focus.

How to Use Question AI Screenshot Extension

Screenshot Extension lets you capture any question on screen and get an answer without retyping it.

Dưới đây là hướng dẫn sử dụng từng bước.

Bước 1: Cài đặt tiện ích mở rộng

Add the screenshot add-on to your browser.

Step 2: Drag a Selection

Drag a box around the question on screen.

The crop is sent to ai automatically.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: The cropped image appears in the chat with an answer beneath it.

Step 3: Read and Verify

Skim the answer, then check the reasoning yourself.

How to Use Question AI Multi-Platform Supporter

Hỗ trợ đa nền tảng lets you pick up on your phone exactly where your laptop session ended.

Dưới đây là hướng dẫn sử dụng từng bước.

Step 1: Log In Everywhere

Sign in on web, iOS and Android with one account.

Step 2: Open Your History

Tap History to see every past thread.

Threads sync within a few seconds across thiết bị.

Đây là hình ảnh minh họa:

✓ Điểm kiểm tra: Your recent chats show the same titles on both devices.

Step 3: Continue the Thread

Reopen an old chat and keep asking.

Question AI Pro Tips and Shortcuts

After eight months of daily use, these are the tips that changed my great results rate.

Phím tắt

Những tính năng ẩn mà hầu hết mọi người bỏ lỡ

• Role prompts: Start with “act as my ai tutor for calculus” and the answer level shifts to match you.
• Example-led prompts: Paste one paragraph you wrote and it will mimic that tiếng nói in the next draft.
• Follow-up chains: Refining a question twice beats rewriting it once, and each pass adds detail.

Treat it as a collaborator, not a search engine, and the quality of ai questions you get back changes fast.

Well-crafted questions also save time and spark ideas you hadn’t considered.

Giving it context leads to deeper insights worth exploring.

Explore one subject across several follow-ups and it holds the thread.

Question AI Common Mistakes to Avoid

These are the common mistakes I see students make most often.

Mistake #1: Asking Vague, Broad Questions

Mistake #2: Trusting the First Answer

Mistake #3: Dumping Multiple Questions at Once

Question AI Troubleshooting

Problem: The Answer Is Wrong or Off-Topic

Gây ra: The prompt was too broad, so the model had to guess at your intent.

Sửa chữa: Add context — your level, the subject, and what you’ve already tried. Then ask clarifying questions before you accept the answer.

Problem: Scanned Math Comes Back Misread

Gây ra: Poor lighting or handwriting the scanner can’t parse.

Sửa chữa: Retake the photo in daylight with one problem in frame. If it still fails, type the equation manually.

Problem: Free Limits Cut You Off Mid-Session

Gây ra: Daily usage on the free tier is limited by design.

Sửa chữa: Save your longer research questions for one sitting, and use the browser version, which usually has a separate allowance.

📌 Ghi chú: If none of these fix your issue, contact Question AI support.

Trí tuệ nhân tạo đặt câu hỏi là gì?

Trí tuệ nhân tạo đặt câu hỏi is a homework ứng dụng AI that answers questions from text, photos or PDFs.

Think of it like a friend who has read every textbook but still gets things wrong sometimes.

Hãy xem đoạn video tổng quan ngắn này:

Nó bao gồm các tính năng chính sau:

• Người viết AI: Draft essays, outlines and summaries with real writing support
• AI Assistant for Multiple Platforms: Hỏi AI from your browser, phone or desktop app
• Advanced Calculator: Work through equations with detailed information at every point
• Fast Math Solution: Snap a math problem and get accurate answers in seconds
• Dịch thuật đa ngôn ngữ: Translate homework questions into the language you communicate in
• Homework Help from PDFs: Upload a PDF and pull homework help from any page
• Comprehensive Subject Coverage: Cover math, history, business and science in one app
• Screenshot Extension: Capture any question on screen and solve it ngay lập tức
• Hỗ trợ đa nền tảng: Keep your chat history in sync across every device

It’s capable across most trường học subjects, though answers on niche topics need checking.

Real life examples land well, from budgeting math to history dates.

On data privacy, it stores your chat data and history under its own policy.

Avoid pasting personal detail you’d rather not share.

Để xem đánh giá đầy đủ, hãy xem bài viết của chúng tôi. Question AI review.

Hỏi về giá cả AI

Here’s what Question AI costs in 2026:

Dùng thử miễn phí: Not needed — the app is free to use.

Đảm bảo hoàn tiền: Not applicable on a free plan.

💰 Giá trị tốt nhất: The free plan — there’s nothing to weigh up, though heavy users will hit daily caps.

So sánh Trí tuệ Nhân tạo (AI) với các giải pháp thay thế

How does Question AI compare? Here’s the competitive landscape:

Hãy xem sự so sánh này:

Lựa chọn nhanh:

• Tốt nhất tổng thể: ChatGPT — strongest all-round answer quality across every subject
• Ngân sách tốt nhất: Question AI — free, and built specifically for homework questions
• Phù hợp nhất cho người mới bắt đầu: Question AI — scan a page and you’re done, no prompt skill needed
• Thích hợp nhất cho nghiên cứu: Perplexity — every claim comes with a source you can open

🎯 Các giải pháp thay thế cho AI

Looking for Question AI alternatives? Here are the top options:

• 🚀 ChatGPT: Handles homework, writing and code in one place, with far deeper follow-up conversations.
• 🧠 Claude: Best for long documents and essay feedback, with careful reasoning on nuanced questions.
• 🌟 Song Tử: Free tier plus tight Google Docs integration, useful if your school runs on Workspace.
• 📊 Sự bối rối: Answers come with citations, which matters when a giáo viên asks where your facts came from.
• ⚡ Grok: Quick reasoning and a playful tone, though its knowledge on school syllabuses is uneven.
• 💼 Microsoft Copilot: Sits inside Word and Excel, so coursework and spreadsheets get support in place.
• 💰 DeepSeek: Free and unusually strong at math proofs, with step working most free tools skip.
• 🔧 Manus: Runs multi-step tasks on its own, better for projects than single homework questions.

Để xem danh sách đầy đủ, vui lòng xem trang của chúng tôi. Hãy đặt câu hỏi về các giải pháp thay thế cho AI. hướng dẫn.

⚔️ So sánh AI dạng câu hỏi

Here’s how Question AI stacks up against each competitor:

• AI đặt câu hỏi so với ChatGPT: ChatGPT wins on depth and accuracy. Question AI wins on price and one-tap scanning.
• Câu hỏi: Trí tuệ nhân tạo (AI) so với Claude: Claude is better for writing and explanation. Question AI is faster for quick math.
• Câu hỏi: Trí tuệ nhân tạo (AI) so với Gemini? Gemini has a stronger free tier overall. Question AI is more focused on students.
• Hỏi đáp về Trí tuệ nhân tạo (AI) so với Độ khó (Perplexity): Perplexity cites sources. Question AI gives no references, so verify anything important.
• Hỏi đáp về AI so với Grok: Grok reasons better on tricky problems. Question AI is simpler for daily homework.
• Hãy đặt câu hỏi về AI so với Microsoft Copilot: Copilot fits office work. Question AI fits worksheets and textbook pages.
• Hỏi đáp về AI so với DeepSeek: Both are free. DeepSeek explains math better; Question AI handles photos better.
• Question AI vs Manus: Manus runs whole projects. Question AI answers single questions in seconds.

Start Using Question AI Now

You learned how to use every major Question AI feature:

• ✅ Người viết AI
• ✅ AI Assistant for Multiple Platforms
• ✅ Advanced Calculator
• ✅ Fast Math Solution
• ✅ Multilingual Translation
• ✅ Homework Help from PDFs
• ✅ Comprehensive Subject Coverage
• ✅ Screenshot Extension
• ✅ Multi-Platform Support

Bước tiếp theo: Hãy chọn một tính năng và thử ngay bây giờ.

Most people start with AI Writer.

Students who succeed with it ask one focused question at a time.

Chỉ mất chưa đến 5 phút.

Câu hỏi thường gặp

How do I use AI for questions?

Ask one focused question at a time. Add your subject, level and any context. Then read the reasoning, not just the answer, and follow up where the reply is thin.

Is question AI worth it?

For quick homework help it’s worth trying, since it’s free. For essays or research, a stronger ai tool like ChatGPT or Claude gives more reliable answers.

Is question AI free?

Yes. The CSV pricing lists it as free to use. Daily caps apply on heavy sessions, but there’s no subscription required to ask questions.

What are the limitations of question AI?

Responses are limited on niche topics, sources aren’t cited, and training data can carry bias. Scanned handwriting is often misread, so verify anything that affects your grades.

What is the best AI to use for questions?

ChatGPT and Claude lead on answer quality. Question AI suits fast homework scanning. Match the tool to the task rather than expecting one to excel everywhere.