# 空軍官校行動圖書館 vs TOEIC Mastery

The clearest difference is in-app purchases: 空軍官校行動圖書館 at none against TOEIC Mastery's 4. 空軍官校行動圖書館 also leads on iOS requirement (12.0 vs 15.1). TOEIC Mastery's advantage is device support. On price there is nothing between them.

Both are free to download. TOEIC Mastery sells 4 in-app purchases, starting at $4.99 per 7 days. 空軍官校行動圖書館 asks for nothing beyond the download.

## The numbers

| Metric | 空軍官校行動圖書館 | TOEIC Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 187 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [凌網科技股份有限公司, Hyweb Technology Co., Ltd.](https://appshunter.io/developer/419081258) | [BringNext LLC](https://appshunter.io/developer/1629847409) |

## What reviewers say

### 空軍官校行動圖書館

[App page](https://appshunter.io/ios/app/id1398131453)

**In-app purchases:** none


### TOEIC Mastery

[App page](https://appshunter.io/ios/app/toeic-mastery-practice-test/id6773567536)

Prepare for your TOEIC exam with AI-powered practice tests and detailed feedback. Get score predictions, identify weaknesses, and follow personalized study plans to boost your score. Access a vast vocabulary and grammar bank, plus authentic listening exercises.

**Highlights:** Realistic TOEIC practice tests, AI score prediction, Detailed error analysis, Personalized study plans, Vocabulary and grammar bank, Authentic listening training, Progress tracking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $39.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is 空軍官校行動圖書館 free?

空軍官校行動圖書館 is free to download, with no in-app purchases.

### Is TOEIC Mastery free?

TOEIC Mastery is free to download, with in-app purchases available.

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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.*