# 计量训练 vs 脑洞大师傅

The clearest difference is device support: 计量训练 at 3 against 脑洞大师傅's —. 计量训练 also leads on iOS requirement (8.0 vs 14.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 计量训练 | 脑洞大师傅 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 15 months | — |
| Size | 99 MB | 45 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [琪玲 汪](https://appshunter.io/developer/1692730579) | [ZAFER OTOMOTIV INSAAT TICARET VE SANAYI LIMITED SIRKETI](https://appshunter.io/developer/1759287437) |

## What reviewers say

### 计量训练

[App page](https://appshunter.io/ios/app/id1607014657)

**Features:** macOS Compatibility

**In-app purchases:** none


### 脑洞大师傅

[App page](https://appshunter.io/ios/app/id6473516244)

**In-app purchases:** none


## Frequently asked questions

### Is 计量训练 free?

计量训练 is free to download, with no in-app purchases.

### Is 脑洞大师傅 free?

脑洞大师傅 is free to download, with no in-app purchases.

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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.*