Free · Din personliga AI Study Coach 24/7

Din AI Study Coach som hittar misstag,
analyserar svagheter และ ger feedback.

อัปโหลดโน้ตของคุณ แล้วเรียนด้วยแบบทดสอบ แฟลชการ์ด และ Feynman โค้ช AI จะบอกจุดที่พลาดและอธิบายเหตุผล พร้อมแนะนำสิ่งที่ควรทำต่อไปเหมือนครูส่วนตัว ตลอด 24 ชั่วโมง

S
E
J
M
★★★★★
4.9/5 av studenter
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ไม่มีบัตรเครดิต · เครื่องมือ 6 ชนิดในแพลตฟอร์มเดียว

24/7 AI teacher Misstagsanalys Kunskapsluckor
ลองด้วยตัวเอง

Mistakes detected. Svagheter analyserade. Coach guidar dig vidare.

Here's how your AI Study Coach works — step by step. Click through and see how mistakes turn into personalized study guidance.

Step 1 — Misstagsfeedback Steg 1 / 3
อะไร is the primary function of mitochondria in a cell?
A
Protein synthesis
B
ATP energy production
Svaghetsanalys — Biologi kap. 4
Cellbiologi
45%
Genetik
72%
Metabolism
38%
The AI coach identified 3 weak areas. Cell biology and metabolism need more review before the exam.
AI Study Coach — Biologi kap. 4
Available 24/7 · Know your mistakes and weaknesses
I see that you're struggling with mitosis and mitochondria.
Here is your personal plan for today:
1. สร้าง 10 flashcards about mitosis
2. Kortsvarsquiz om cellandning
3. Feynman explanation of ATP energy production
10 flashcards skapade →
แบบทดสอบ startat →
เหตุผล was I wrong on the mitochondria question?
You confused protein synthesis (ribosomes) with energy production (mitochondria). It's a common mistake — retake the quiz on organelles tomorrow so it sticks.
Misstagsfeedback

Not just right or wrong

The AI coach explains exactly why you were wrong — like a teacher correcting on the spot, not just a red cross.

Detailed explanation for each incorrect answer
Misstag sparas และ analyseras automatiskt
Svaghetsanalys

See where you need to study more

Cellbiologi
45%
Genetik
72%

The coach maps knowledge gaps by subject based on your quiz results, Feynman feedback, and flashcard ratings.

Automatic weakness detection by subject
Focus study hourse where it is needed most
24/7 coach-chatt

Your personal teacher, always available

You're struggling with mitosis — make 10 flashcards and a short answers quiz now.
เหตุผล was I wrong?
Du blandade ihop ribosomer และ mitokondrier…

Ask questions, get explanations, and have the coach create quizzes and flashcards — around the clock, with no waiting hourse.

Personalized recommendations based on your mistakes
สร้างr studiematerial direkt i chatten

Revaldos AI Study Coach is what makes the difference

ChatGPT มักให้คำตอบกว้าง ๆ แต่ Revaldo AI เข้าใจโน้ตของคุณ เห็นจุดผิด วิเคราะห์จุดอ่อน และให้ฟีดแบ็กเฉพาะบุคคลได้ตลอด 24/7 เหมาะกับการเตรียมสอบและการสอบเข้า

24/7 AI teacher Misstagsanalys Svaghetsdetektion Personlig feedback 6 verktyg i ett
Here's how it works

From notes to personlig coach-feedback
in under 60 seconds.

อัปโหลด → เรียน → AI วิเคราะห์ → โค้ชแนะนำต่อเนื่อง 4 ขั้นตอนสู่การเรียนที่มีประสิทธิภาพ

1

อัปโหลดเนื้อหา

PDF, Word, PowerPoint, or pasted text. Any subject and level.

2

Choose quiz format

Multiple choice, short answer, essay, or mix. Choose the number of questions (5–30) and difficulty level.

3

AI generates questions

AI analyzes the material and creates questions that test understanding — not just superficial recall.

4

Get personal guidance

The AI coach recommends the next step — the right tools, the right subject. Available 24/7 like a personal teacher.

อะไร is the primary function of mitochondria in a cell?
A
Protein synthesis
B
ATP energy production
C
DNA replication
D
Cell division
AI แบบทดสอบ

Test yourself before tentan — med retrieval practice.

Revaldo AI automatically creates quizzes from notes or PDFs. Each answer provides immediate feedback so you learn from mistakes while the concepts are still fresh.

Questions are automatically created from your material
MCQ, short answer, and essay with AI grading
80 % retention med retrieval practice
ลอง AI แบบทดสอบ gratis →
เหตุผล it works

เหตุผล AI coaching fungerar.

Intelligent tutoring and direct feedback — briefly explained, not a research paper.

AI Coach ใกล้เคียงติวเตอร์ตัวจริง

งานวิจัยพบว่าระบบติวอัจฉริยะให้ผลลัพธ์การเรียนใกล้เคียงการติวตัวต่อตัว (VanLehn, 2011: d = 0.76 เทียบกับ d = 0.79)

Feedback is crucial

Feedback is ranked as one of the 10 strongest factors for learning in 800+ meta-analyses (Hattie, 2009). Revaldo AI provides detailed feedback on every answer — around the clock.

Riktiga studenter

De fick en coach.
Inte bara ett verktyg.

★★★★★

โค้ช AI ช่วยจับได้ว่าฉันสับสนเรื่องออร์แกเนลล์อยู่บ่อย หลังรับฟีดแบ็กเฉพาะตัวต่อเนื่อง 2 สัปดาห์ ฉันสอบผ่านครั้งแรกด้วยคะแนน 85%

S
Sofia, 21
นักศึกษาแพทย์, อุปซอลา
โค้ชช่วยแก้จุดอ่อนจนได้ 85%
★★★★★

The coach showed exactly which legal concepts I misunderstood. Personal feedback on each essay took me from a C to a B+ in five weeks.

E
Erik, 22
Lawstudent, Lund
C → B+ in 5 weeks
★★★★★

Before, I had no idea what I was missing. The AI coach analyzed my weaknesses and told me exactly what to study each day. I went from failing to a B+ in six weeks.

J
Julia, 17
Gymnasieelev, biologi
Failing → B+ in 6 weeks
★★★★★

The coach noticed that I systematically missed reaction mechanisms. 24/7 chat and targeted feedback gave me 88% — highest in the study group.

L
Linnéa, 23
Chemistry MSc, Stockholm
88% on the exam
24/7
AI teacher available
6
verktyg i en coach
Free
plan to start med
50%
mindre studietid
Coach-funktioner

Everything you need for a personal AI teacher som hittar misstag.

Revaldo AI Study Coach kombinerar misstagsanalys, svaghetsdetektion และ 24/7-feedback i en komplett plattform.

Misstagsanalys

The AI coach identifies every wrong answer, explains why it was wrong, and saves patterns so you don't repeat the same mistakes.

Svaghetsdetektion

Automatic mapping of knowledge gaps by subject based on quizzes, flashcards, and Feynman results.

24/7 AI teacher

Ask questions, get explanations, and request new quizzes and flashcards — anyhourse, with no wait.

Learner feedback on every answer

Not just right/wrong. Detailed explanations for MCQ, short answer, and essays — like a teacher who always has hourse.

Personliga study planer

The coach recommends what you should study today based on exam dates, weaknesses, and available hourse.

6 verktyg, en coach

แบบทดสอบ, flashcards, Feynman, chat, summary, and study plans — all managed by the same AI coach at ett komplett ชุดการเรียน.

One PDF. Everything generated.

See what Revaldo AI builds
from a single upload.

อัปโหลด PDF วางโน้ต หรือถ่ายภาพเนื้อหา แล้ว Revaldo AI จะสร้างเครื่องมือเรียนทั้งหมดให้ทันที พร้อมใช้งานโดยไม่ต้องตั้งค่าเพิ่ม

Biology Ch.4 — Cell Division

Uploaded 2 min ago · 12 pages · AI study set generated

AI แบบทดสอบ

Multiple choice, short answer & essay — all auto-generated with instant AI grading.

Smart แฟลชการ์ด

32 cards created with spaced repetition — review before you forget.

Feynman Technique

Explain concepts — AI finds every gap in your understanding.

AI Summary

Clean, structured summary of your entire document in seconds.

Study Chat

Ask questions, request explanations, or generate more content from chat.

Study Plan

AI builds a day-by-day schedule that adapts as you learn.

All generated in under 30seconds from your upload
Se komplett ชุดการเรียน →

↓ Scroll down to see each tool in detail

อะไร is the primary function of mitochondria in a cell?
A
Protein synthesis
B
ATP energy production
C
DNA replication
D
Cell division
AI แบบทดสอบ — Multiple Choice

Instant feedback that actually explains why you got it wrong.

Not just a red ✗. Revaldo AI tells you exactly what you missed and why the correct answer is correct — so you learn from every mistake in real hourse.

AI generates realistic multiple choice questions from your own notes
Instant grading with detailed explanations per answer
Weak areas automatically flagged for your study plan
ลอง AI แบบทดสอบ gratis →
Short answer · Question 3 of 8
อะไร happens during the S phase of the cell cycle?
DNA is replicated so each chromosome has two chromatids
Short answer · Question 4 of 8
Name two differences between mitosis and meiosis.
Type your answer here…
AI แบบทดสอบ — Short Answer

Write your answer. AI grades it like a teacher would.

Short answer questions force you to recall from memory — the strongest way to learn. AI checks your answer against the source material and gives specific feedback.

Open-ended questions that test true understanding, not just recognition
AI compares your answer to the source and scores accuracy
Missing details highlighted — so you know exactly what to review
ลอง short answersquiz →
Long answer · Essay question
Explain how natural selection leads to evolution. Use specific examples.
Natural selection is the process by which organisms with traits better suited to their environment are more likely to survive and reproduce. For example, in peppered moths during the Industrial Revolution, darker moths survived better against soot-covered trees, leading to an increase in dark-colored moths over hourse. Over many generations, these advantageous traits accumulate in a population, driving evolutionary change.
8/10
Strong answer — two areas to improve Good use of the peppered moth example. Consider also mentioning genetic variation as a prerequisite and reproductive isolation as a factor in speciation.
AI แบบทดสอบ — Long Answer

Essay-level practice with instant AI grading.

No more waiting days for a teacher to mark your work. Write full paragraphs and get scored immediately — with specific suggestions on what to add or improve.

Essay & paragraph questions generated from your uploaded material
AI scores on accuracy, completeness and structure
Specific improvement tips — not just a grade, but how to get a higher one
ลอง essayquiz gratis →
Step 1
Choose a concept
Photosynthesis
Step 2
Explain it in your own words
Plants take in sunlight and CO₂ and turn it into food. The chlorophyll captures light energy, then the plant uses water to make glucose. Oxygen is released as a byproduct.
Step 3 — Results
AI Analysis
Great job!
You correctly identified the key inputs (sunlight, CO₂) and outputs (glucose, oxygen). Your explanation is clear and simple.
Areas for improvement
  • คุณยังไม่ได้ระบุว่า ปฏิกิริยาแสง เกิดที่ใด (เยื่อไทลาคอยด์) และวัฏจักรคาลวินเกิดที่ใด (สโตรมา)
  • The role of water splitting in producing oxygen was missing
Missing points
  • ATP and NADPH as energy carriers
  • The difference between light-dependent and light-independent reactions
See AI example explanation
แบบทดสอบ me on this
Feynman Technique

If you can't explain it simply, you don't truly understand it.

Pick any concept. Write your explanation in plain language. Revaldo AI instantly analyses what you got right, what you missed, and what's incomplete — then shows you a model answer.

3 steps: choose topic → write explanation → get instant AI feedback
Positive feedback + knowledge gaps + missing points — all colour-coded
See a model AI explanation and jump straight into a quiz on your weak areas
Se Feynman Technique →
AI Study Chat — Biology Ch.4
Knows your notes · สามารถ generate quizzes & flashcards
Summarise this chapter in 5 bullet points
Here's your summary:
• Cells are the basic unit of life — all organisms are made of cells
• DNA replication occurs during S phase of the cell cycle
• Mitosis produces 2 identical daughter cells
• Meiosis produces 4 genetically unique gametes
• Cell specialisation allows different functions in multicellular organisms
Generate 5 flashcards on mitosis
Done! I've created a deck of 5 flashcards on mitosis from your notes.
5 flashcards generated →
แบบทดสอบ me on cell division — short answer
Starting a 5-question short answer quiz on cell division now.
แบบทดสอบ started →
Ask anything about your notes…
Summary & AI Chat

Your notes, summarised. Then chat to go deeper.

Revaldo AI creates a clean summary of your uploaded material. Then ask follow-up questions, request explanations, or tell the chat to generate flashcards and quizzes — all from the same conversation.

Instant AI summary of any uploaded notes, PDF or document
Ask any question — the chatbot knows your entire source material
Generate flashcards, quizzes or explanations directly from the chat
ลอง AI-chatt gratis →
Biology Finals — Study Plan
14 days · Target: A · Adapts daily
This week
M
T
W
T
F
S
S
Today's session
Cell Structure — 30 min
🃏 แฟลชการ์ด first · then 🧠 Feynman check
Overall progress 65%
AI study plans

A personal study plan that adapts as you learn.

Tell Revaldo AI your exam date. It builds a day-by-day schedule tailored to your weak areas, available hours and the tools that work best for each topic.

AI calculates exactly what to study today, tomorrow and every day until your exam
Recommends the right tool (quiz / flashcard / Feynman) for each topic
Adapts in real hourse — if you struggle somewhere, it automatically reschedules
Se AI study plans →
73%

of students re-read the same pages hoping something sticks — even though science has known for decades it's one of the least effective ways to study. You're not the problem. Your method is.

Hours lost, nothing retained

Re-reading feels productive — but without active recall, your brain discards most of it within 24 hours. You need to be tested on the material, not just exposed to it.

No feedback until it's too late

You submit and wait days for a grade. By then you've moved on. Revaldo AI gives you instant, specific feedback on every single answer — while the concept is still fresh.

No idea what to study next

You sit down to study and spend 20 minuteeeeees just deciding where to start. Revaldo AI tells you exactly what to study, with which tool, and for how long — every single day.

Simple pricing

Free to start.
Upgrade when you're ready.

No hidden fees. Start Premium free for 5 days — unlimited AI coach, $0 today.

Free
$0
forever
Everything you need to test the AI Study Coach — no commitment, no card.
2 flashcard sets per month
2 quizzes per month
2 Feynman sessions per month
การทบทวนแบบกระจาย
Basic progress tracking
AI study plans
Advanced analytics
เริ่มฟรี
ไม่ต้องใช้บัตรเครดิต
Schools & Groups
Custom
volume pricing
Everything in Premium, plus classroom tools and teacher dashboards for schools and universities.
Everything in Premium
Teacher dashboard
Classroom management
Group progress tracking
ติดต่อ sales
For schools, universities & companies
Free Study Guides

Everything you need to study smarter — free.

In-depth guides on every technique, subject and exam type. Written for students, powered by science.

Scienceen

เหตุผล spaced repetition faktiskt fungerar.

Supported by 8+ peer-reviewed studies. Not marketing — cognitive science.

70%
new information is forgotten within 24 hours without repetition — spaced repetition prevents this
1 ระบบติวด้วย AI ให้ผลการเรียนใกล้เคียงการติวตัวต่อตัวของมนุษย์ (d = 0.76 เทียบกับ d = 0.79)
VanLehn (2011). The relative effectiveness of human tutoring, intelligent tutoring systems, and other tutoring systems. จิตวิทยาการศึกษา, 46(4), 197–221.
2 Practice tests were ranked as the most effective study technique out of 10 methods.
Dunlosky et al. (2013). Improving students' learning. Psychological Science in the Public Interest, 14(1), 4–58.
3 Students who tested themselves retained 80% after 1 week — re-readers only 36%.
Roediger & Karpicke (2006). Test-enhanced learning. Psychological Science, 17(3), 249–255.
4 70% of information is forgotten within 24 hours without repetition (the forgetting curve).
Ebbinghaus (1885/1913). ความจำ: การมีส่วนร่วมต่อจิตวิทยาการทดลอง.
5 Distributed practice beats cramming — the most replicated finding in educational psychology.
Cepeda et al. (2006). Distributed practice in verbal recall tasks. จดหมายข่าวจิตวิทยา, 132(3), 354–380.
6 Self-explanation led to 3x more solved problems than without.
Chi et al. (1989). Self-explanations: วิธี students study and use examples. วิทยาศาสตร์ทางปัญญา, 13(2), 145–182.
7 Interactive learning provides the deepest understanding (Interactive > Constructive > Active > Passive).
Chi & Wylie (2014). The ICAP framework. จิตวิทยาการศึกษา, 49(4), 219–243.
8 Feedback is one of the 10 strongest factors for learning in 800+ meta-analyses.
Hattie (2009). Visible Learning. Routledge.
9 Corrective feedback after testing doubles the learning benefit.
Butler (2010). Repeated testing produces superior transfer. Journal of Experimental Psychology, 36(5), 1118–1133.
10 Implementation intentions (specific study plans) double or triple goal achievement.
Gollwitzer & Sheeran (2006). Implementation intentions and goal achievement. ความก้าวหน้าในจิตวิทยาสังคมเชิงทดลอง, 38, 69–119.

AI coaching combines the testing effect with immediate feedback. Every mistake becomes a learning opportunity — the coach explains why and recommends the next steps.

42%20 min
56%1 hoursme
70%24 hoursmar
75%1 vecka
80%1 month

The Revaldo AI coach gives you personal feedback on each answer and automatically analyzes weaknesses. A teacher, 24/7.

1. Really read the coach feedback

Feedback doubles the learning benefit (Butler, 2010). Read every explanation — not just whether the answer was right or wrong.

2. Follow the weakness recommendations

The coach automatically identifies knowledge gaps. Focus your study hourse where the coach says you need it most.

3. Chatta med coachen regelbundet

Ask questions about mistakes you don't understand. The coach knows your material and can create targeted quizzes and flashcards.

4. Kombinera alla 6 verktyg

แบบทดสอบ, flashcards, Feynman และ study planer — coachen analyserar allt และ ger helhetsbild.

การเปรียบเทียบ

Revaldo AI เมื่อเทียบกับตัวเลือกอื่น

Fair comparison. Choose the tool that fits how you actually study.

ฟีเจอร์
Revaldo AI
Anki
แบบทดสอบlet
Autogenerate from PDF
การทบทวนแบบกระจาย
Integrerade quiz
AI study plans
Ingen manuell kortskapning
All-in-one-studieplattform
Free plan

Revaldo AI

Autogenerate from PDF
การทบทวนแบบกระจาย
Integrerade quiz
AI study plans
All-in-one-plattform

Anki

Autogenerate from PDF
การทบทวนแบบกระจาย
Integrerade quiz
AI study plans

แบบทดสอบlet

Autogenerate from PDF
การทบทวนแบบกระจาย
Integrerade quiz
AI study plans

Best for students who wants to avoid manual card creation and study flashcards, quizzes, and study plans on the same platform.

คำถามที่พบบ่อย

คำถามเกี่ยวกับ AI Study Coach

โค้ชการเรียน AI คือผู้ช่วยอัจฉริยะที่ปรับการเรียนตามผู้ใช้แต่ละคน สร้างสื่อจากโน้ต วิเคราะห์ข้อผิดพลาด ให้ฟีดแบ็กละเอียด และช่วยวางแผนการเรียนได้ตลอด 24 ชั่วโมง
When you take quizzes, flashcards, or Feynman, the AI analyzes each answer. Incorrect answers receive detailed explanations — not just right/wrong. The coach saves patterns and flags topics where you repeat the same mistakes.
Yes. Unlike a human tutor or study buddy, Revaldo AI is available 24/7. Ask questions, get feedback, and request new quizzes and flashcards anyhourse — even in the middle of the night before an exam if you want.
ChatGPT is a general chatbot — you prompt manually, it does not systematically assess your answers or track progress. Revaldo AI is built for studying: auto-generation from PDF, mistake analysis, weakness detection, 6 integrated tools, and personal coach feedback.
ได้แน่นอน นักเรียนจำนวนมากใช้ Revaldo AI เพื่อเตรียมสอบเข้า สอบปลายภาค และสอบมหาวิทยาลัย โดยโค้ชจะปรับตามเนื้อหาของคุณและชี้จุดอ่อนก่อนวันสอบ
Yes. Based on quiz results, flashcard ratings, and Feynman feedback, the AI coach maps out which subjects you need to study more. You see the weakness percentage per subject and receive recommendations on what to focus on.
Yes. The AI coach evaluates short answer questions and essays with detailed feedback — what was right, what was missing, and how you can improve. Essays are graded on a scale of 0–10 with concrete improvement tips.
Yes. AI study plans are part of the coaching platform. The coach recommends daily study sessions based on exam dates, weaknesses, and which tools work best for each subject.
แผนฟรีมีแบบทดสอบ 2 ชุดและแฟลชการ์ด 2 ชุดต่อเดือน พร้อมฟีดแบ็กจากโค้ชครบถ้วน ส่วนแพ็กเกจพรีเมียม ($9.99/เดือน) ใช้งานโค้ชได้ไม่จำกัด ตรวจเรียงความได้ และมีการวิเคราะห์จุดอ่อนเชิงลึก โดยไม่ต้องใช้บัตรเครดิต
แบบทดสอบlet has ready-made decks but no AI coach, no mistake analysis, and no auto-generation from your notes. Revaldo AI coaches you through your own material with personalized feedback.
Anki is excellent for spaced repetition but requires manual card creation and provides no AI feedback or weakness analysis. Revaldo AI combines flashcards with a coach that identifies mistakes and guides you forward.
Six tools: AI แบบทดสอบ (MCQ, short answer, essay), AI แฟลชการ์ด with spaced repetition, Feynman technique with feedback, AI Summary & Chat, AI study plans, and complete study set — all from a single upload.
ได้ นักศึกษาแพทย์ใช้โค้ชนี้กับกายวิภาค ชีวเคมี และวิชาคลินิก AI จะจับจุดสับสนเชิงแนวคิดและให้ฟีดแบ็กแบบเจาะจงเพื่อเตรียมสอบอย่างมั่นใจ
Yes. Teachers can upload course materials and let the AI coach generate quizzes, flashcards, and feedback that students can use. Premium offers unlimited generation.
ไม่ถึง 30 วินาที เพียงอัปโหลด PDF หรือวางข้อความ ระบบจะสร้างสื่อเรียนและพร้อมวิเคราะห์คำตอบของคุณทันที
รองรับ PDF, Word (.docx), PowerPoint, ข้อความที่วาง และรูปภาพ ใช้ได้กับโน้ตเลคเชอร์ บทในตำรา และเอกสารเตรียมสอบ
Yes. Your uploaded notes and study data are private and linked to your account. We do not share your material with other users.
Yes. Study, get coach feedback, and chat with the AI coach on any device. Perfect for quick feedback sessions on mobile between classes.
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ระบบช่วยวิเคราะห์จุดอ่อนและแนะนำขั้นตอนอ่านต่อไปจากผลงานจริงของคุณ

คำสำคัญ

โค้ชที่ดีต้องมีฟีดแบ็กชัดเจนและติดตามหัวข้อที่ผู้เรียนยังสับสน

การใช้งาน

เหมาะกับผู้เรียนที่ต้องการผู้ช่วยทบทวนรายวันและคำแนะนำแบบเฉพาะบุคคล

เปรียบเทียบเครื่องมือ

โค้ชในแพลตฟอร์มนี้เชื่อมกับแบบทดสอบ แฟลชการ์ด และแผนการเรียนของคุณโดยตรง

รูทีนรายวัน

อ่านฟีดแบ็กหลังทำโจทย์ทุกครั้ง แล้วโฟกัสหัวข้อที่ระบบแนะนำเป็นอันดับแรก

อ่านอย่างมีโค้ชส่วนตัว

อัปโหลดเนื้อหา แล้วให้ระบบช่วยชี้จุดที่ต้องทบทวนทันที