# 校宇宙教师端 vs 大宇言雅思口语

The clearest difference is in-app purchases: 校宇宙教师端 at none against 大宇言雅思口语's 10. 校宇宙教师端 also leads on iOS requirement (12.0 vs 15.0). 大宇言雅思口语's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 大宇言雅思口语 sells 10 one-off in-app purchases. 校宇宙教师端 asks for nothing beyond the download.

校宇宙教师端 ships an update every 2 months, 大宇言雅思口语 every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 校宇宙教师端 | 大宇言雅思口语 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 93 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Guangzhou Schoolmeta Digital Technology Co., Ltd.](https://appshunter.io/developer/1046779960) | [北京大语研科技有限公司](https://appshunter.io/developer/1890397509) |

## What reviewers say

### 校宇宙教师端

[App page](https://appshunter.io/ios/app/id1612743865)

**In-app purchases:** none


### 大宇言雅思口语

[App page](https://appshunter.io/ios/app/ai/id6514299522)

This AI-powered app helps users improve their English speaking skills for exams like KET, PET, and IELTS. It offers real-time pronunciation and grammar correction, practice with over 100 exam scenarios, and detailed performance feedback.

**Highlights:** AI speaking practice, Real-time pronunciation and grammar correction, 100+ exam scenarios, Performance assessment, Updated question bank, Personalized learning materials

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KET包月 | $5.99 | one-time |
| PET包月 | $7.99 | one-time |
| 口语SVIP会员14天 | $12.99 | one-time |
| KET3月卡 | $17.99 | one-time |
| PET3月卡 | $19.99 | one-time |
| KET6月卡 | $29.99 | one-time |
| PET6月卡 | $39.99 | one-time |
| KET年卡 | $49.99 | one-time |
| PET年卡 | $59.99 | one-time |
| 口语SVIP会员年卡 | $179.99 | one-time |


## Frequently asked questions

### Is 校宇宙教师端 free?

校宇宙教师端 is free to download, with no in-app purchases.

### Is 大宇言雅思口语 free?

大宇言雅思口语 is free to download, with in-app purchases available.

### Do 校宇宙教师端 or 大宇言雅思口语 have ads?

Neither 校宇宙教师端 nor 大宇言雅思口语 shows ads.

### Which is updated more often, 校宇宙教师端 or 大宇言雅思口语?

校宇宙教师端 ships an update every 2 months, and 大宇言雅思口语 every 2 weeks. Most recently, 校宇宙教师端 was updated on November 3, 2026 and 大宇言雅思口语 on October 30, 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.*