# English Mastery vs CER

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.

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.

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.

## The numbers

| Metric | English Mastery | CER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (444 ratings)](https://appshunter.io/ios/app/english-mastery-toeic-ielts/id1236078754/reviews)** | — |
| Number of ratings | **444** | — |
| Positive reviews | 72.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 57 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Doan Dat](https://appshunter.io/developer/1185279735) | [Minh Nguyen Ba](https://appshunter.io/developer/1549498900) |

## What reviewers say

### English Mastery

[App page](https://appshunter.io/ios/app/english-mastery-toeic-ielts/id1236078754)

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:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $6.99 | per month |
| 3-Month Premium Membership | $14.99 | per 3 months |
| Annual Premium Membership | $34.99 | per year |
| Remove Ads | $19.99 | one-time |
| Lifetime Membership | $79.99 | one-time |

**What reviewers like**

- 📚 Comprehensive TOEIC practice materials and test sets
- 💰 Free or affordable premium pricing
- 🎯 Effective for improving test scores
- 👍 User-friendly and intuitive interface
- 🔊 Speaking/pronunciation practice features

**What reviewers complain about**

- 📺 Excessive advertisements
- 🔐 Premium features locked behind paywall after update
- 🐛 Incorrect answer markings despite correct responses
- 🌐 Inconsistent language translations (mixed English/Vietnamese)
- 🔊 Audio quality issues and cut-off beginnings

**Reported bugs**

- 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

**Requested features**

- 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


### CER

[App page](https://appshunter.io/ios/app/cer-e/id6762342955)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*