# 优私教 vs 排球智练

The clearest difference is in-app purchases: 优私教 at none against 排球智练's 3. 排球智练's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 排球智练 sells 3 in-app purchases, starting at $3.99 per 7 days. 优私教 asks for nothing beyond the download.

## The numbers

| Metric | 优私教 | 排球智练 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 40 MB | 104 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [优私教](https://appshunter.io/developer/1839358204) | [海锋 郑](https://appshunter.io/developer/6778628531) |

## What reviewers say

### 优私教

[App page](https://appshunter.io/ios/app/id6752449502)

**In-app purchases:** none


### 排球智练

[App page](https://appshunter.io/ios/app/ai/id6786571301)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI排球教练  周会员 | $3.99 | per 7 days |
| AI排球教练  月会员 | $14.99 | per month |
| AI排球教练  年会员 | $29.99 | per year |


## Frequently asked questions

### Is 优私教 free?

优私教 is free to download, with no in-app purchases.

### Is 排球智练 free?

排球智练 is free to download, with in-app purchases available.

### Do 优私教 or 排球智练 have ads?

Neither 优私教 nor 排球智练 shows ads.

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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.*