iCTSV vs Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCTSV
This app serves as a student handbook, allowing users to register for and participate in various activities. It's designed to help students engage with campus life and track their involvement.
- Student handbook
- Activity registration
- Participate in activities
- Track student involvement
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Sổ tay sinh viên iCTSV dành cho các bạn sinh viên để đăng kí tham gia gia các hoạt động
Prep
This app offers AI-powered practice for English language tests like IELTS and TOEIC. It simulates exam conditions, provides detailed feedback, and creates personalized study plans to help users achieve their learning goals.
- AI Virtual Practice Room for IELTS
- AI-powered grading and evaluation
- Personalized study plans
- Mock tests for various English exams
- Progress tracking and course management
- 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
Screenshots
Verdict
The clearest difference is review sentiment: Prep at 86% against iCTSV's 15%. Prep also leads on rating (4.6 vs 1.8) and update cadence (every 5 days vs every 2 months). iCTSV's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price 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. Prep sells 10 one-off in-app purchases. iCTSV asks for nothing beyond the download.
Prep holds the better App Store score, 4.6 against 1.8. That said, the two scores are not equally well evidenced: Prep has 123 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 15% of iCTSV's written reviews are positive against 86% of Prep's.
iCTSV ships an update every 2 months, Prep every 5 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | iCTSV | Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (16 ratings) | 4.6 (123 ratings) — better |
| Positive reviews | 15.3% of reviews | 85.7% of reviews — better |
| Number of ratings | 16 | 123 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 72 MB | 135 MB |
| Age rating | 17+ | 4+ |
| Developer | Trung Kien Nguyen | PREP TECHNOLOGY JOINT STOCK COMPANY |
Customer experience
iCTSV
Prep
In-app purchases
iCTSV
No in-app purchases
Prep
- IELTS Pro 1 tháng$9.99
- IELTS Pro 3 tháng$19.99
- IELTS Pro 6 tháng$29.99
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- 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









