Prep vs 4You
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prep
Prepare for English proficiency exams like IELTS and TOEIC with AI-powered practice tests and personalized study plans. Get detailed feedback and track your progress to achieve your academic goals.
- AI Virtual Practice Room for IELTS
- Personalized Study Plans
- Mock Tests for Various Exams
- Detailed Grading and Evaluation
- Progress Tracking
- AI Error Detection and Correction
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- The Prep AI Virtual Room Duo: For IELTS preparation, the virtual practice room with Prep AI helps students comprehensively train all four skills: IELTS Listening, IELTS Reading, IELTS Writing, IELTS Speaking. Students can also practice with exam-format questions, and receive thorough grading and evaluation according to each scoring criterion, just like a real examiner. With advanced AI technology, the system can detects errors during IELTS test and provides appropriate corrections. What's amazing is that the AI uses the same evaluation method as the IELTS test scoring system, giving students a realistic experience similar to taking the actual IELTS test. Exciting, isn't it? PREP also offers many useful features to support students learn English more effectively, such as: • Study Plan: The system helps students learn English more easily by analyzing the goals set by students, then arranging a suitable study path divided into separate lessons and english test, ensuring students achieve their desired goals. The system also accompanies students throughout the learning process to answer questions and update their English learning path. • My Course: A place to aggregate and store English learning and english test programs, helping students easily control their learning progress. Students can click on the desired program to join the corresponding English course • Test Practice: One of the most useful features of the software: Mock Tests. With a diverse library of tests divided into four skills, a large number of english test like IELTS, TOEIC,... tests help students quickly familiarize themselves and develop their test-taking skills. Additionally, the system provides prediction tests to help students get used to the structure of the most recent year's test, increasing the applicability of this feature. • Prep has been helping over 10,000+ students improve daily, assisting thousands in achieving their study goals for IELTS, TOEIC, and national high school exams. • Prep features proprietary modern AI technology capable of recreating the test environment in a virtual test room, providing students with the most realistic experience during test preparation. • Prep offers diverse and useful features suitable for various user goals, whether learning English, practicing for TOEIC, or prep for IELTS Contact us immediately when you need support: Email: support@prepedu.com
4You
Transform your daily video watching into interactive language lessons. Improve listening, speaking, and vocabulary with bilingual subtitles, AI conversations, and engaging exercises. Supports over 40 languages for a personalized learning journey.
- Video-based language lessons
- Bilingual subtitles and transcripts
- One-tap dictionary
- Shadowing and dictation exercises
- AI conversation practice
- Vocabulary notebook and flashcards
- Spaced repetition system
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Learn languages in a practical, fun, and engaging way every day. 4You turns the content you watch every day into real language lessons. Understand videos with bilingual subtitles and a one-tap dictionary, then improve your listening and speaking skills through Shadowing, Dictation, Cloze exercises, and AI conversations. More than just learning through videos, 4You helps you build vocabulary, practice speaking, reading, writing, and grammar in one app. Learn English, Chinese, Korean, Japanese, French, German, Spanish, and many other languages in a way that matches your interests and learning level. TURN YOUR FAVORITE VIDEOS INTO LANGUAGE LESSONS - Choose videos available on 4You, share or upload your own videos - Watch videos with bilingual subtitles and sentence-by-sentence transcripts - Look up words, phrases, and sentences instantly with the one-tap dictionary - Practice Shadowing to improve pronunciation, intonation, and speaking reflexes - Practice Dictation to improve detailed listening skills - Practice Cloze exercises to strengthen listening comprehension and vocabulary - Have AI conversations based on the topics and content from the videos you learn LEARN AND REVIEW VOCABULARY EFFECTIVELY - Save words and phrases to your personal vocabulary notebook - Learn and review vocabulary with flashcards - Practice vocabulary through different exercises - Review vocabulary with the Spaced Repetition method LEARN VOCABULARY THROUGH GAMES WITH WORD GARDEN - Combine vocabulary learning with gamification to make review less boring and more enjoyable - Learn vocabulary at every level, from beginner to advanced PRACTICE SPEAKING WITH AI - Practice speaking with AI across various topics, from A1 to C2 levels - Receive feedback on your answers and suggestions to improve your expressions PRACTICE READING, WRITING & GRAMMAR - Practice reading through books, articles, and various content based on your interests - Practice writing with different topics and receive support to improve your expression - Learn and practice grammar based on your level A VIBRANT LANGUAGE LEARNING COMMUNITY - Share learning content and your language learning journey - Share stories and interact with the community - Make friends and chat with people who share the same language learning goals - Exchange knowledge, experiences, and stay motivated together 4You supports learning more than 40 languages, including English, Chinese, Korean, Japanese, French, German, Spanish, Italian, Portuguese, and many more. Subscription Information - Length: 1 month, 3 months, 12 months - Price: $7.99/month, $26.99/3 months, $45.99/12 months - Terms of Use: https://4you.study/terms Web version: https://4you.study/ For feedback and support, please contact: 4you@eupgroup.net
Screenshots
Verdict
The clearest difference is ads: 4You at none against Prep's shown. 4You also leads on update cadence (daily vs every 5 days). On price, rating, review sentiment and ratings volume 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. Prep sells 10 one-off in-app purchases and 4You sells 10 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 — 4.6 for Prep against 4.7 for 4You. Both are backed by a comparable volume of ratings — 123 and 101 respectively. Written reviews are what separate them: 86% of Prep's written reviews are positive against 80% of 4You's.
Prep ships an update every 5 days, 4You daily. Both last shipped on November 7, 2026.
| Parameter | Prep | 4You |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (123 ratings) | 4.7 (101 ratings) — better |
| Positive reviews | 85.7% of reviews — better | 80.0% of reviews |
| Number of ratings | 123 — better | 101 |
| Update frequency | Every 5 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.1 |
| Further details — not scored | ||
| Size | 135 MB | 158 MB |
| Age rating | 4+ | 12+ |
| Developer | PREP TECHNOLOGY JOINT STOCK COMPANY | 4ENGLISH TECHNOLOGY CO.,LTD |
Customer experience
Prep
4You
In-app purchases
Prep
- IELTS Pro 1 tháng$9.99
- IELTS Pro 3 tháng$19.99
- IELTS Pro 6 tháng$29.99
Show 7 moreShow fewer
- IELTS Core 3개월 이용권$59.99
- HSK 3 ver 3.0$69.99
- HSK 3 ver 3.0 Pro$89.99
- IELTS Core 연간 이용권$129.99
- 90-Day IELTS TP Package$139.99
- HSK1 đến HSK3 ver 3.0$149.99
- HSK1 đến HSK3 ver 3.0 Pro$179.99
4You
- 1 Month$5.991 Month
- 1 month$15.991 Month
- 1 Year$22.991 Year
Show 6 moreShow fewer
- 3 Months$31.993 Months
- 3 Months$37.993 Months
- 1 Year$45.991 Year
- 3 Months$53.993 Months
- 1 year$53.991 Year
- 1 Year$91.991 Year
- Lifetime$1.99








