PrepGen.ai vs Quiz Maker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrepGen.ai
This AI-powered study companion generates personalized video lessons, automated study plans, and adaptive practice tests. It analyzes performance to focus on weak areas and provides concise summaries for quick review, supporting a wide range of academic and professional exams.
- AI video lessons on any topic
- Automated smart study planner
- Personalized learning paths
- Adaptive practice tests with feedback
- Concise learning summaries
- Progress analytics and insights
- Support for diverse exams
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PrepGen.ai — Study smarter, perform better, and stay ahead. With PrepGen.ai, you get a complete, AI-powered study companion designed to accelerate your learning: • Instant AI Video Lessons ("Teach Me") — Skip hours of tedious web searches. Type in any complex topic, formula, or question, and our AI instantly generates a personalized, bite-sized video lesson with interactive learning modes tailored to your unique study style. • Smart Study Planner — Eliminate cramming and stay organized. Build structured, automated study schedules around your test date that keep you accountable, track your daily prep milestones, and adapt as your performance evolves. • AI-Powered Personalization — Advanced algorithms analyze your performance to identify exact strengths and focus areas. Practice questions, revision paths, and notes dynamically adjust so you spend time mastering what actually moves the needle. • Adaptive Practice Tests — Simulate real exam conditions with full-length or topic-specific practice sets. Get instant, step-by-step explanations, meaningful feedback, and deep insights into score predictions beyond raw percentages. • Concise Learning Summaries — Generate high-impact summaries of core concepts, formulas, and test strategies in seconds—ideal for rapid review before exam day. • Progress Analytics & Insights — Monitor accuracy, speed, and topic mastery using visual dashboards. Track trends over time and fine-tune your strategy using real-time data. • One App for Every Exam — From college admissions (SAT, ACT, AP) to professional exams (MCAT, NCLEX-RN, CFA, EPPP, Medical Boards, and more), PrepGen.ai scales with your goals. No need to juggle multiple apps per test. • Student-Friendly Design — Tailored roadmaps built for high schoolers, college applicants, professional candidates, and lifelong learners alike. Minimal setup, maximum score output. Subscriptions PrepGen.ai offers auto-renewing monthly plans (College Monthly and Professional Monthly) in the United States. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. Terms of Use: https://prepgen.ai/en-US/terms-of-service Privacy Policy: https://prepgen.ai/en-US/privacy-policy
Quiz Maker
Create custom quizzes and study materials for various subjects, including Japanese language. Practice vocabulary, conversation, and writing with interactive games and offline support. Share your creations with friends.
- Build custom quizzes and trivia
- Practice Japanese vocabulary and conversation
- Offline play for games
- Scan pages to create study drafts
- Interactive learning games
- Kanji writing practice
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Turn what you want to learn into practice you will want to repeat. Quiz Maker brings study quizzes, trivia, Japanese vocabulary, and conversation practice into one study library. CREATE YOUR WAY • Build study quizzes, trivia, and Japanese lessons by hand. • Scan pages to prepare Japanese vocabulary or conversation drafts for review. • With Quiz Maker Pro, turn selectable PDF text into a study quiz draft. • Connect an MCP-compatible AI to prepare drafts, then review the content before saving. PLAY AND LEARN • Choose Classic, Type Answer, Crossword, Word Scramble, or Match Pairs. • Games and answer checks run on your device, including offline. • Practice hiragana, katakana, and Japanese vocabulary with pronunciation audio and progress tracking. PRACTICE JAPANESE CONVERSATIONS • Choose a speaking role in a lesson you have reviewed. • Listen to reference audio, then record your turn. • Compare the recognized words with the lesson and try again at your own pace. • Show or hide Japanese lines, romaji, and meanings when the lesson includes them. Conversation audio and speech recognition need an internet connection. Recognition is a practice aid, not a pronunciation score. PRACTICE WRITING • Study kanji and practice writing Japanese characters. • Keep a Japanese journal to build a regular writing habit. SHARE WITH A FRIEND • Send a friend an independent copy while keeping your progress private. YOUR LIBRARY, YOUR PACE Create content and play supported games without an account. Sign in with Apple for cloud sync, purchases, AI imports, connected AI, and sharing with friends. Source scans and saved vocabulary audio stay on your device. Conversation recordings are processed temporarily to recognize your words and are not saved in your cloud library. AI drafts can contain mistakes. Review important material before relying on it. Privacy Policy: https://stillsafecheckin.com/quizmaker/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Quiz Maker at every 5 days against PrepGen.ai's every 3 weeks. PrepGen.ai's advantage is iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and ads 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. PrepGen.ai sells 10 in-app purchases, starting at $14.99 per month and Quiz Maker sells 3 in-app purchases, starting at $5.99 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 PrepGen.ai against 5.0 for Quiz Maker. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
PrepGen.ai ships an update every 3 weeks, Quiz Maker every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | PrepGen.ai | Quiz Maker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 77 MB | 60 MB |
| Age rating | 9+ | 4+ |
| Developer | Keppek Labs Inc | Still Safe LLC |
Customer experience
PrepGen.ai
Quiz Maker
In-app purchases
PrepGen.ai
- College Monthly$14.991 Month
- Professional Monthly$29.991 Month
- College Prep – 90 Day Pass$9.99
- College Prep – 30 Day Pass$14.99
- College Prep – 6 Month Pass$17.99
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- Professional Exams – 30 Days Pass$29.99
- Professional Exams – 90 Days Pass$39.99
- Professional Exams – 6 Months Pass$69.99
- College Prep – 1 Year Pass$119.99
- Professional Exams – 1 Year Pass$249.99
Quiz Maker
- Quiz Maker Pro Monthly$5.991 Month
- Quiz Maker Pro Annual$49.991 Year
- 10 AI Scan Pages$2.99








