수학대왕 vs Chalcack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
수학대왕
This app offers a comprehensive solution for math studies, providing AI-driven analysis, practice problems, and concise video lectures. It helps users improve their scores by identifying weak areas and offering tailored learning paths. Features include personalized problem sets, original content, and progress tracking.
- AI-driven skill analysis
- Personalized problem sets
- Original practice problems
- Short, efficient video lectures
- Progress tracking and reports
- Daily scholarship system
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수학, 어떻게 시작해야 할지 고민인가요? 공부를 해도 성적이 오르지 않아 막막하신가요? 수학 공부에 대한 여러분의 모든 고민, 수학대왕이 해결해 드립니다! 문제부터 강의, 실력 진단과 분석까지 다~ 되는 수학대왕으로 성적을 올려보세요. 성적 상승, 수학대왕과 함께라면 가능합니다. ■수학 공부, 계획 세우기가 어렵다면, 수학대왕 AI 분석부터 받아보세요. AI가 체계적으로 분석한 내 실력에 맞는 부분부터 공부하고, 차근차근 다음 레벨로 나아가요! ■어떤 문제집을 얼마나 풀어야 할지 모르겠다면, 여러분에게 필요한 모든 문제, 수학대왕에 다 있어요. 기출 문제부터 고난도 문제, 틀린 것과 유사한 문제까지! 문제집 고민하지 말고, 수학대왕에 들어오세요. 특히 수학대왕이 자체제작한 ORIGINAL문제는 다른 곳에서 절대 만나볼 수 없는 퀄리티를 자랑해요! ■길고 지루한 인강에 지쳤다면, 수학대왕만의 짧은 핵심 강의로 재밌고, 효율적으로 공부하세요! 문제마다 제공되는 해설강의는 물론 알찬 개념 강의까지, 내 실력과 공부계획에 맞게 강의를 들으세요. ■잘 공부하고 있는 게 맞나? 불안하다면, 수학대왕 AI가 분석한 정확한 내 실력 리포트를 확인해 보세요! 내 실력이 전국 상위 몇 %인지, 예상 점수/예상 합격 대학은 어디인지 다 알려드려요. ■아직도 시작하기 망설여지시나요? 걱정 마세요, 수학대왕만의 매일 장학금 시스템으로 매일 공부할 수 있는 원동력을 만들어 드릴게요! 수학대왕에서는 서비스 제공을 위해 아래의 접근 권한을 필요로 합니다. [필수 접근 권한] · 없음 [선택 접근 권한] · 연락처 : 연락처를 통한 친구 초대 및 추가에 사용 · 알림 : 친구 요청 및 학습 알림에 사용 · 앱 추적 투명성 : 광고 제공 또는 데이터 브로커와의 공유를 목적에 사용 · 카메라 : 사진 업로드를 위한 촬영에 사용 · 사진 : 사진 업로드를 위해 사용 ※ 선택 권한은 허용하지 않아도 서비스를 이용할 수 있으나, 일부 기능 사용에 제한이 있을 수 있습니다.
Chalcack
This AI-powered app helps students understand homework problems by providing step-by-step explanations in a personalized character's voice. Users can snap photos of any problem, ask follow-up questions, and save solved problems for review. It covers a wide range of subjects and allows for custom character creation.
- AI-powered homework explanations
- Step-by-step problem solving
- Personalized tutor characters
- Custom character creation
- Multi-subject support
- Handwritten problem recognition
- Saved problem review
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Chalcack is an AI homework helper: snap a photo of any problem and the character you picked explains every step, in their own voice. Free for 5 problems a day. Snap math, science, reading or history homework, handwritten or printed. Chalcack gives you the answer, a short summary, every step, and the concept the problem tests. Stuck on a step? Ask your character right there, and keep asking until it clicks. More than 180,000 students study with Chalcack. Study with your crush, not a cold answer key. ■ HOW IT WORKS 1. Snap the problem: handwriting, textbooks, worksheets and practice tests all work. 2. See the answer and why: every step, plus the concept behind it. 3. Ask about any step in the same thread. 4. Review before the test: solved problems are saved by subject. ■ YOUR CHARACTER, YOUR TUTOR • Pick from 7,900+ public characters made by students. • Make your own with a photo, a name and a personality. • Share it with a code and study with the same character as your friends. • Every solution and answer comes in your character's voice. ■ SUBJECTS • Math: pre-algebra, Algebra I & II, geometry, trigonometry, precalculus, calculus, statistics, word problems and proofs. Reads graphs and figures too. • Science: physics, chemistry, biology, earth science, with formulas and units in every step. • Reading & writing: literary devices, main idea, evidence, grammar, essay structure. • English: grammar, vocabulary, reading passages. • History & social studies: U.S. and world history, government, geography, economics. • Test prep: SAT®, ACT® and AP® style questions. ■ FREQUENTLY ASKED QUESTIONS Is Chalcack free? Yes. You get 5 problems and 20 questions free every day, and can watch an ad for more. PRO gives unlimited problems and questions with no ads. Does it read handwritten homework? Yes. Snap equations from your notebook or a problem you're halfway through. Graphs, tables and geometry figures work too. Won't I just copy the answer? Every answer shows the reason for each step, and you can keep asking about any step. Understand it, then try the problem again yourself. Does it explain wrong answer choices? Yes. It shows why the right answer is right and why each other choice doesn't fit. Can I make my own character? Yes. Choose a photo, a name and a personality. Keep it private or make it public for other students. Can AI make mistakes? Sometimes. If an answer looks off, ask your character to double-check, or report it from the solution screen. ■ SUBSCRIPTION INFORMATION • Chalcack PRO: unlimited problems and questions, no ads. • PRO Monthly: $9.99 per month. PRO Yearly: $79.99 per year (about $6.67 a month). Prices may vary by country. • Payment is charged to your Apple ID account at confirmation of purchase. • The subscription renews automatically unless canceled at least 24 hours before the end of the current period. • Manage your subscription and auto-renewal in your App Store account settings. Privacy Policy: https://www.chalcack.com/privacy Terms of Use (EULA): https://www.chalcack.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: 수학대왕 at none against Chalcack's 4. 수학대왕 also leads on iOS requirement (15.1 vs 18.5). Chalcack's advantage is update cadence (daily vs monthly) and rating (4.8 vs 4.4). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Chalcack sells 4 in-app purchases, starting at $9.99 per month. 수학대왕 asks for nothing beyond the download.
Chalcack holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 36 and 18 respectively. Written reviews point the same way: 88% of 수학대왕's written reviews are positive against 97% of Chalcack's.
수학대왕 ships an update monthly, Chalcack daily. Both last shipped on November 11, 2026.
| Parameter | 수학대왕 | Chalcack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (36 ratings) | 4.8 (18 ratings) — better |
| Positive reviews | 87.5% of reviews | 97.4% of reviews — better |
| Number of ratings | 36 — better | 18 |
| Update frequency | Monthly | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.5 |
| Further details — not scored | ||
| Size | 86 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Turing Co.,Ltd. | Dong Hae Jang |
Customer experience
수학대왕
Chalcack
In-app purchases
수학대왕
No in-app purchases
Chalcack
- Monthly Pro (Special Offer)1 Month trial$9.991 Month
- Premium subscription$9.991 Month
- Yearly Pro (Special Offer)1 Year trial$79.991 Year
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- Yearly Premium subscription$79.991 Year







