# TT运动 vs 排球智练

The clearest difference is in-app purchases: TT运动 at none against 排球智练's 3. 排球智练's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price 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. TT运动 asks for nothing beyond the download.

## The numbers

| Metric | TT运动 | 排球智练 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Subscription | — |
| Size | 351 MB | 104 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京体提科技有限公司](https://appshunter.io/developer/1680431935) | [海锋 郑](https://appshunter.io/developer/6778628531) |

## What reviewers say

### TT运动

[App page](https://appshunter.io/ios/app/tt/id6478207008)

This app analyzes your athletic movements by identifying key body points from videos. It offers detailed visual feedback and comparison tools to help you improve your form and performance.

**Highlights:** AI-powered body posture analysis, Key joint point identification, Action problem detection, Skeleton diagrams and fishbone lines, Two-person motion comparison, Frame-by-frame playback and slow-motion

**Features:** macOS Compatibility

**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 TT运动 free?

TT运动 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 TT运动 or 排球智练 have ads?

TT运动 shows ads; 排球智练 does not.

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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.*