# 四级听力 vs 飞行奥秘

The clearest difference is update cadence: 飞行奥秘 at fortnightly against 四级听力's every 20 months. 飞行奥秘 also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

四级听力 ships an update every 20 months, 飞行奥秘 fortnightly. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 四级听力 | 飞行奥秘 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/4/id1125407565/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 120 MB | 482 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Yuanlai Infomation Technology Co., Ltd.](https://appshunter.io/developer/958193889) | [十一点零五(北京)教育科技有限公司](https://appshunter.io/developer/1370300013) |

## What reviewers say

### 四级听力

[App page](https://appshunter.io/ios/app/4/id1125407565)

This app provides extensive practice materials for the College English Test Band 4 (CET-4) listening section. It features past exam papers to help users improve their listening comprehension for various English proficiency tests and self-study.

**Highlights:** CET-4 listening practice, Past exam papers, Improve listening comprehension, TOEFL and IELTS preparation, Self-study resource

**Features:** macOS Compatibility

**In-app purchases:** none


### 飞行奥秘

[App page](https://appshunter.io/ios/app/id1370300014)

**In-app purchases:** none


## Frequently asked questions

### Is 四级听力 free?

四级听力 is free to download, with no in-app purchases.

### Is 飞行奥秘 free?

飞行奥秘 is free to download, with no in-app purchases.

### Do 四级听力 or 飞行奥秘 have ads?

Neither 四级听力 nor 飞行奥秘 shows ads.

### Which is updated more often, 四级听力 or 飞行奥秘?

四级听力 ships an update every 20 months, and 飞行奥秘 fortnightly. Most recently, 四级听力 was updated on October 12, 2026 and 飞行奥秘 on October 16, 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.*