Prep vs ChironSpeak
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prep
This app offers AI-powered practice for English proficiency 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
- Exam-format question practice
- Automated grading and evaluation
- Personalized study plan analysis
- Mock tests for various English exams
- Progress tracking and course management
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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
ChironSpeak
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ChironSpeak is your AI-powered English learning app—specifically designed for working professionals who need to make rapid progress in business English, workplace communication, and career advancement. Elevate your career opportunities and achieve your target income. With a library of over 5,000 workplace scenarios, ChironSpeak is the only app you need to master professional English. Each scenario is broken down into 4 simple steps: Read, Listen, Role-play with AI, and finish with a Boss Battle. A 15-MINUTE DAILY SESSION, 4 STEPS: • Read — A short reading passage tailored to your industry, featuring 5 key vocabulary words to use throughout the session. Reading is essential for building and retaining language proficiency. • Listen — Listen to native speakers handle the same scenario, then practice speaking key phrases to build pronunciation fluency. • Role-play — Voice conversation with an AI character. Depending on your industry, the AI plays the role of a colleague, manager, or client, guiding you to achieve your communication goals. • Boss Battle — The AI takes the role-play to the next level. You must apply the vocabulary, sentence structures, and expressions from the previous step to conquer the challenge set by the AI. FREE CONVERSATION Talk about any topic with the AI — no grading, no pressure, just helpful feedback to help you improve. In this mode, the AI can converse as a friendly peer or a personal assistant. TAILORED TO YOUR CAREER With unique, non-repetitive scenario datasets across 17 different industries, you will find your exact professional field: - Information Technology - Hospitality & Tourism - Business & Corporate Office - Business & Business Development - Finance, Banking & Accounting - Marketing & Public Relations - Food & Beverage (F&B) - Engineering & Manufacturing - Design & Creative - Supply Chain & Logistics - Product, Data & Business Analytics - Healthcare & Wellness (Industry scenarios only, no actual medical data) - Education & Academia - Aviation - Media & Entertainment - Architecture & Real Estate - Legal & Law (Industry scenarios only, no actual legal data) 9 core skills to master your professional expertise: - Meetings & Discussions - Relationship Building - Presentations - Negotiations - Job Interviews - Customer Transactions (industry-specific) - Troubleshooting & De-escalation (industry-specific) - Guidance & Safety (industry-specific) - Explanation & Storytelling (industry-specific) Proficiency levels ranging from A1 to B2 according to the CEFR framework (C1 and C2 coming soon). ACTIONABLE FEEDBACK In Free Conversation and Role-play modes, the AI provides natural guidance and phrasing suggestions right during the chat. In the Boss Battle mode, the AI delivers: - Multi-dimensional scoring: vocabulary, grammar, pronunciation, fluency, task completion, and capability score - Clear breakdowns of your strengths, areas for improvement, and more natural alternatives VOCABULARY NOTEBOOK Save any word from the lesson with just a single tap FSRS Spaced Repetition: Smart reminders right when you're about to forget Quick daily quizzes and AI practice sessions in just a few minutes PRIVACY Voice data is processed entirely on-device for real-time scoring and is never stored. SUBSCRIPTION ChironSpeak is free to download with daily usage limits. Upgrade to ChironSpeak Pro to significantly increase your daily usage limits for AI conversations, role-plays, and advanced features. Terms of Use: https://chironspeak.com/terms Privacy Policy: https://chironspeak.com/privacy Questions or feedback: support@chironspeak.com
Screenshots
Verdict
The clearest difference is ads: ChironSpeak at none against Prep's shown. Prep's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price, update cadence and in-app purchases 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 ChironSpeak sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Prep ships an update every 5 days, ChironSpeak weekly. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.
| Parameter | Prep | ChironSpeak |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (124 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 124 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 134 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | PREP TECHNOLOGY JOINT STOCK COMPANY | NGUYEN NGUYEN |
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
ChironSpeak
- PRO - Người dùng sớm$4.991 Month








