Quick Study AI vs Thinkzo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quick Study AI
Instantly solve homework problems by taking a photo of your question. Receive clear, step-by-step explanations for subjects like math, science, history, and literature. Designed to help students understand concepts, not just find answers.
- AI-powered homework analysis
- Step-by-step explanations
- Photo-based problem recognition
- Save and review solution history
- Support for multiple subjects
- Follow-up questions for deeper understanding
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Quick Study AI helps students solve homework problems instantly. Just take a photo of any question — from math and science to history and literature — and get clear, step-by-step explanations. HOW IT WORKS 1. Take a photo of your homework question 2. Crop to focus on the specific problem 3. Get a detailed, step-by-step solution KEY FEATURES - Instant AI-powered homework analysis - Step-by-step explanations for any subject - Photo-based problem recognition - Follow-up questions for deeper understanding - Save and review your solution history - Share solutions with classmates SUBJECTS COVERED - Mathematics (algebra, geometry, calculus, statistics) - Science (physics, chemistry, biology) - History and social studies - Literature and language arts - And many more Quick Study AI is designed to help you learn, not just get answers. Each solution includes detailed explanations so you understand the concepts behind every problem. FREE & PRO - Free: 1 analysis per day - Pro: Unlimited analyses, faster responses, and full history access Privacy focused — your photos are only used to analyze the question and are never stored on our servers.
Thinkzo
Instantly solve homework problems by taking a photo. Get step-by-step explanations, generate practice questions, and receive instant AI grading with feedback. Supports multiple languages and subjects for students of all levels.
- AI-powered photo problem solver
- Step-by-step solution explanations
- Generate custom practice questions
- Instant homework grading and feedback
- Multi-language support
- Privacy editor for sensitive information
- Bookmark and save solutions
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Struggling with homework? Thinkzo turns your camera into an AI-powered tutor — snap a photo of any problem, get a clear step-by-step solution, generate new practice questions based on your uploaded problem, and even grade completed homework instantly. See exactly how to solve it, not just the answer. HOW IT WORKS Take a photo of your homework question Crop it and erase any private details AI analyses it — results arrive in seconds Read the step-by-step explanation in your language FEATURES SNAP ANY PROBLEM Point your camera at any homework question — math equations, algebra, geometry, chemistry, physics, science, and more. Thinkzo auto-detects the subject and grade level for you. STEP-BY-STEP AI SOLUTIONS See every step of the solution, not just the final answer. Toggle between Simple mode for quick answers and Detailed mode for a full concept walkthrough with an AI confidence score. GENERATE PRACTICE QUESTIONS Turn any solved problem into more practice. Thinkzo generates new questions based on the problem you uploaded, and you can choose the difficulty level to practice the same concept step by step. HOMEWORK GRADING & AI FEEDBACK Upload completed homework and let Thinkzo review it instantly. Get AI-powered grading, mistake detection, feedback, and improvement suggestions to understand where you went wrong and how to improve. BUILT-IN PRIVACY EDITOR Crop and erase personal information — your name, class number — before the image is analysed. Your privacy is protected before anything leaves your device. BOOKMARK YOUR SOLUTIONS Save solutions you want to revisit. Build a personal revision library for exams and tests. EVERY SUBJECT COVERED Math, algebra, geometry, physics, chemistry, biology, language arts, and more — subject and grade level are detected automatically. TRULY GLOBAL — 11 LANGUAGES The full app UI and all AI solutions are available in: English, German, French, Spanish, Portuguese (Brazil), Chinese Simplified, Chinese Traditional, Japanese, Hindi, Indonesian, and Malay. HISTORY & HOMEWORK LOG All your past submissions are saved with a thumbnail, subject tag, grade level, date, and live status — so you can always find and review previous solutions. SECURE SIGN-IN Sign in with Apple or Google in one tap, or register with email. Tokens are stored securely on-device. LIGHT, DARK & SYSTEM THEME Comfortable to use any time of day. PERFECT FOR • Students from primary school through university • Students checking homework before submitting • Students who want more practice questions from their homework problems • Parents helping children understand assignments • Teachers and tutors needing quick AI-assisted grading • Any curriculum, any country • Anyone who wants to learn how to solve problems, not just copy answers Stop guessing. Start understanding. Download Thinkzo now. Terms of Use (EULA): https://thinkzo.wubuut.com/thinkzo/terms/
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Verdict
The clearest difference is monetization model: Thinkzo at free against Quick Study AI's freemium. Thinkzo also leads on iOS requirement (13.0 vs 16.6). On price, rating, ratings volume and update cadence 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. Quick Study AI sells 2 in-app purchases, starting at $4.99 per 7 days and Thinkzo sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Quick Study AI against 5.0 for Thinkzo. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Quick Study AI ships an update weekly, Thinkzo every 11 days. The most recent releases landed on July 6, 2026 and September 11, 2026 respectively.
| Parameter | Quick Study AI | Thinkzo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Weekly — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | The Panic Agency, Inc. | Gang Wu |
Customer experience
Quick Study AI
Thinkzo
In-app purchases
Quick Study AI
- All Access (1-Week)$4.997 Days
- All Access (1-Year)$19.991 Year
Thinkzo
- Premium Monthly$2.991 Month
- Premium Annual$29.991 Year





