# 纯K训练助手 vs 灵犀智研

The clearest difference is in-app purchases: 灵犀智研 at none against 纯K训练助手's 2. 灵犀智研 also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. 纯K训练助手 sells 2 one-off in-app purchases. 灵犀智研 asks for nothing beyond the download.

## The numbers

| Metric | 纯K训练助手 | 灵犀智研 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 7 MB | 31 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [忠杲 王](https://appshunter.io/developer/1896211214) | [灵犀未来(厦门)科技有限公司](https://appshunter.io/developer/1845101261) |

## What reviewers say

### 纯K训练助手

[App page](https://appshunter.io/ios/app/k/id6766147411)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | one-time |
| 月度会员 | $2.99 | one-time |


### 灵犀智研

[App page](https://appshunter.io/ios/app/id6793199739)

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

**In-app purchases:** none


## Frequently asked questions

### Is 纯K训练助手 free?

纯K训练助手 is free to download, with in-app purchases available.

### Is 灵犀智研 free?

灵犀智研 is free to download, with no in-app purchases.

### Do 纯K训练助手 or 灵犀智研 have ads?

纯K训练助手 shows ads; 灵犀智研 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.*