# 口语100 vs 工伤预防云

The clearest difference is in-app purchases: 口语100 at none against 工伤预防云's 1. 工伤预防云's advantage is update cadence (every 9 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 工伤预防云 sells 1 one-off in-app purchase. 口语100 asks for nothing beyond the download.

口语100 ships an update every 3 months, 工伤预防云 every 9 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 口语100 | 工伤预防云 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/100/id681576950/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 46 MB | 66 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arivoc Education International](https://appshunter.io/developer/510900515) | [创联教育](https://appshunter.io/developer/859888722) |

## What reviewers say

### 口语100

[App page](https://appshunter.io/ios/app/100/id681576950)

This tool empowers educators with modern methods for teaching listening and speaking skills. It allows teachers to display student exercises from home on their devices during class, making lessons engaging. Share teaching achievements with colleagues and superiors to impress them.

**Highlights:** Display student exercises in class, Check and assign homework online, Save homework check results, Display homework results offline, Share teaching achievements

**Features:** Vision Pro support

**In-app purchases:** none


### 工伤预防云

[App page](https://appshunter.io/ios/app/id6443771353)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1元课程 | $0.99 | one-time |


## Frequently asked questions

### Is 口语100 free?

口语100 is free to download, with no in-app purchases.

### Is 工伤预防云 free?

工伤预防云 is free to download, with in-app purchases available.

### Do 口语100 or 工伤预防云 have ads?

Neither 口语100 nor 工伤预防云 shows ads.

### Which is updated more often, 口语100 or 工伤预防云?

口语100 ships an update every 3 months, and 工伤预防云 every 9 days. Most recently, 口语100 was updated on October 8, 2026 and 工伤预防云 on October 7, 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.*