# AI外语学习 vs 消防工程师2025

The clearest difference is in-app purchases: AI外语学习 at none against 消防工程师2025's 4. AI外语学习 also leads on update cadence (fortnightly vs every 7 months) and iOS requirement (9.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. 消防工程师2025 sells 4 one-off in-app purchases. AI外语学习 asks for nothing beyond the download.

AI外语学习 ships an update fortnightly, 消防工程师2025 every 7 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | AI外语学习 | 消防工程师2025 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Size | 18 MB | 53 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Qi Zhi Technology Co. Ltd](https://appshunter.io/developer/1202526572) | [Chongqing Kaixin network technology Co., LTD](https://appshunter.io/developer/1809882583) |

## What reviewers say

### AI外语学习

[App page](https://appshunter.io/ios/app/ai/id1457543405)

**Features:** macOS Compatibility

**In-app purchases:** none


### 消防工程师2025

[App page](https://appshunter.io/ios/app/2025/id6745855480)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买会员1个月 | $2.99 | one-time |
| 购买会员3个月 | $3.99 | one-time |
| 购买会员6个月 | $6.99 | one-time |
| 购买会员12个月 | $12.99 | one-time |


## Frequently asked questions

### Is AI外语学习 free?

AI外语学习 is free to download, with no in-app purchases.

### Is 消防工程师2025 free?

消防工程师2025 is free to download, with in-app purchases available.

### Do AI外语学习 or 消防工程师2025 have ads?

Neither AI外语学习 nor 消防工程师2025 shows ads.

### Which is updated more often, AI外语学习 or 消防工程师2025?

AI外语学习 ships an update fortnightly, and 消防工程师2025 every 7 months. Most recently, AI外语学习 was updated on October 2, 2026 and 消防工程师2025 on September 26, 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.*