Prep vs DAA
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
Read full descriptionHide full description
- 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
DAA
Read full descriptionHide full description
PASS YOUR SNOWPRO ADVANCED: DATA ANALYST EXAM Master Snowflake data analytics with 500+ practice questions designed to get you certified on your first attempt. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? SnowPro Advanced: Data Analyst professionals earn up to $203K annually. Prove your expertise in Snowflake's powerful analytics platform and stand out in one of the fastest-growing areas of cloud data engineering. WHAT YOU'LL MASTER: • Snowsight Dashboards and Visualizations • Semi-Structured Data Querying (VARIANT, OBJECT, ARRAY) • Window Functions and QUALIFY • PIVOT/UNPIVOT and MATCH_RECOGNIZE • Data Transformation with CTEs and UDFs • FLATTEN and LATERAL Joins • Stored Procedures and UDTFs • Star/Snowflake Schema and Data Modeling • Streams, Tasks, and Dynamic Tables • Performance Optimization and Query Profiling • Warehouse Sizing, Scaling, and Caching • Clustering Keys and Search Optimization Service • RBAC and Column-Level Security • Row Access Policies and Dynamic Data Masking • Data Governance, Tagging, and Secure Data Sharing STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into Data Analytics expertise. Download now. Pass your exam. Master Data Analytics.
Screenshots
Verdict
The clearest difference is ads: DAA at none against Prep's shown. Prep's advantage is update cadence (every 5 days vs every 3 months). On price, in-app purchases, device support and iOS requirement 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 DAA sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Prep ships an update every 5 days, DAA every 3 months. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.
| Parameter | Prep | DAA |
|---|---|---|
| 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 | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 134 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | PREP TECHNOLOGY JOINT STOCK COMPANY | Davy Raitt |
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
DAA
- Pro Monthly$3.991 Month
- Pro Yearly7 Days trial$14.991 Year
- Pro Lifetime$19.99









