# 四大认证备考神器 vs 健身教练题库

The clearest difference is in-app purchases: 四大认证备考神器 at none against 健身教练题库's 8. 四大认证备考神器 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. 健身教练题库 sells 8 one-off in-app purchases. 四大认证备考神器 asks for nothing beyond the download.

## The numbers

| Metric | 四大认证备考神器 | 健身教练题库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/id6455939352/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Every 10 days | — |
| Size | 45 MB | 87 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [北京小青呱科技有限公司](https://appshunter.io/developer/1695685480) | [长沙优学互动信息技术有限公司](https://appshunter.io/developer/1247376685) |

## What reviewers say

### 四大认证备考神器

[App page](https://appshunter.io/ios/app/id6455939352)

**Features:** macOS Compatibility

**In-app purchases:** none


### 健身教练题库

[App page](https://appshunter.io/ios/app/id6475804120)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1学币 | $0.99 | one-time |
| 10学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |


## Frequently asked questions

### Is 四大认证备考神器 free?

四大认证备考神器 is free to download, with no in-app purchases.

### Is 健身教练题库 free?

健身教练题库 is free to download, with in-app purchases available.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*