Comparison

English Mastery vs CER

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

English Mastery

Enhance your English skills for exams like TOEIC, IELTS, and TOEFL, or for everyday communication. Access a vast vocabulary database, comprehensive grammar lessons, and effective speaking practice tools. Prepare for tests with realistic mock exams and detailed explanations.

Highlights
  • Vast vocabulary database with 100,000+ words
  • Interactive learning with flashcards and games
  • Comprehensive grammar lessons with detailed explanations
  • Effective speaking practice with scoring
  • TOEIC, IELTS, and TOEFL exam preparation
  • Realistic mock tests and quizzes
  • Personalized word lists and lock screen reminders
Features
Read full description

English Mastery - TOEIC, IELTS, TOEFL: Boost Your English Skills! Master English for TOEIC, IELTS, TOEFL and real-world communication with English Mastery! This all-in-one app provides comprehensive tools to expand your vocabulary, solidify your grammar, perfect your speaking, and ace your exams. Whether you're aiming for a high TOEIC, IELTS or TOEFL score, or simply want to become a more confident English speaker, English Mastery has you covered. ***** KEY FEATURES **** VAST VOCABULARY DATABASE: Unlock nearly 100,000 English words with detailed definitions. Our extensive dictionary is categorized to help you focus: • TOEIC 600 Essential Words: Crucial for TOEIC success. • 3000 Common English Words: Strong foundation for daily communication. • IELTS Vocabulary: Targeted word lists for the IELTS exam. • Specialized Vocabulary: Terms for Tourism & Hospitality, Accounting, IT, Finance & Banking, and Medical fields. • Interactive Learning: Utilize flashcards and engaging vocabulary games for retention. • Personalized Word Lists: Create custom vocabulary sets for focused practice. • Lock Screen Reminders: Learn on the go with word reminders. COMPREHENSIVE GRAMMAR LESSONS: From basic to advanced, our grammar section covers it all. Each lesson includes detailed explanations and practice exercises with in-depth answer breakdowns for true understanding. EFFECTIVE SPEAKING PRACTICE: Improve fluency and pronunciation. • Topic-Based Practice: Engage in conversations on various themes. • Custom Sentence Creation: Create and practice your own sentences. • Scoring and Evaluation: Receive immediate feedback and scores to track progress. TOEIC EXAM PREPARATION: Prepare confidently with up-to-date resources. • Latest TOEIC Format: All materials follow the current exam structure. • Detailed Answer Explanations: Understand why each answer is correct. • Realistic Mock Tests: Experience the actual exam environment with full-length simulations. • Section-Specific Practice: Target weaknesses in individual sections. • Short Quizzes & Full Tests: Choose based on your study schedule. WHY CHOOSE ENGLISH MASTERY - TOEIC, IELTS, TOEFL? English Mastery is your ultimate English learning companion, offering robust features for all skill levels. Our app combines extensive content with interactive tools, making learning engaging and effective. Achieve your English language goals! DOWNLOAD ENGLISH MASTERY - TOEIC, IELTS, TOEFL TODAY AND TRANSFORM YOUR ENGLISH LEARNING JOURNEY! --- TERMS OF AUTO-RENEWABLE SUBSCRIPTION (English Mastery Membership): • English Mastery offers Auto-Renewable Subscriptions. • Billed monthly or every 3 months. A one-time payment option is also available. • Subscriptions automatically renew unless canceled 24 hours prior to period end. Subscribers get full access. • Fee charged to your iTunes account on purchase confirmation. Manage subscriptions/auto-renewal in Account Settings. • Active subscriptions cannot be canceled. Refunds not provided for unused portions. • Privacy Policy: https://toeicexamstore.com/privacy/englishtestprivacy.pdf • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ TOEIC is a registered trademark of Educational Testing Service (ETS). This app is not endorsed by ETS.

About

CER

Features
Read full description

CER-e là một ứng dụng học tập trực tuyến cung cấp các khóa học đại học trực tuyến. * Truy cập mọi lúc mọi nơi: Để làm cho việc học trở nên thú vị hơn, các bài học được thiết kế cho các hoạt động hàng ngày. * Trên các thiết bị điện tử: Học sinh tiếp tục lộ trình học của mình bất cứ lúc nào, trên điện thoại ở nơi công cộng, trên máy tính. * Theo năng lực của bạn: Kiểm soát tốc độ học tập của bạn trên lộ trình học tập để phù hợp với lịch trình và mục tiêu nghề nghiệp của bạn. * Chỉ 15 phút mỗi bài: Tận dụng sự chú ý của học sinh, các bài học được thiết kế ngắn gọn để không tạo cảm giác nhàm chán hoặc nặng nề. Hướng dẫn sử dụng phần mềm: 1. Mở ứng dụng đã tải xuống trên thiết bị di động của bạn 2. Lựa chọn khóa học muốn học 3. Truy cập và bắt đầu học

Screenshots

English Mastery4 screens
CER4 screens

Verdict

The call

The clearest difference is in-app purchases: CER at none against English Mastery's 5. CER also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.5). English Mastery's advantage is update cadence (every 9 days vs every 3 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. English Mastery sells 5 in-app purchases, starting at $6.99 per month. CER asks for nothing beyond the download.

UpkeepUpdate frequency

English Mastery ships an update every 9 days, CER every 3 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
English Mastery versus CER: the parameters behind the verdict, then further details
ParameterEnglish MasteryCER
PriceFreeFree
Rating4.8 (444 ratings) — better—
Positive reviews72.6% of reviews—
Number of ratings444 — better—
Update frequencyEvery 9 days — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size120 MB57 MB
Age rating4+4+
DeveloperDoan DatMinh Nguyen Ba

Bugs and requests

English Mastery

Reported bugs

12 issues
  • Ads blocking question content and answers
  • Ads appearing even after purchasing premium
  • Answers saved incorrectly during full tests
  • App crashes on question 180+ during full tests
  • MacBook button click not registering
Show 7 more
  • Audio not starting or being cut off
  • Voice recording not capturing properly
  • App not launching after updates
  • Incorrect answer scoring despite correct selections
  • Language settings not applying consistently across all sections
  • Missing audio files in some lessons
  • Automatic progression without user input in listening sections

Requested features

10 requests
  • Offline download capability for lessons
  • Web version of the application
  • Speaking/conversation practice scenarios
  • Ability to increase font size on MacOS
  • Slide view for iPad note-taking
Show 5 more
  • Spider chart for overall skill assessment
  • More recent ETS test sets (2022-2023)
  • Swipe gesture for flashcard navigation
  • Remove ads without premium subscription
  • Better grammar explanation for Parts 5-6

CER

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

English Mastery

Subscriptions3
  • Monthly Premium Membership$6.991 Month
  • 3-Month Premium Membership3 Days trial$14.993 Months
  • Annual Premium Membership3 Days trial$34.991 Year
One-time2
  • Remove Ads$19.99
  • Lifetime Membership$79.99
None

CER

No in-app purchases

Questions

Is English Mastery free?
English Mastery is free to download, with in-app purchases available.
Is CER free?
CER is free to download, with no in-app purchases.
Do English Mastery or CER have ads?
English Mastery shows ads; CER does not.
Which is updated more often, English Mastery or CER?
English Mastery ships an update every 9 days, and CER every 3 months. Most recently, English Mastery was updated on November 2, 2026 and CER on October 31, 2026.

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