# ZKA vs CTC配方

The clearest difference is iOS requirement: CTC配方 at 12.0 against ZKA's 15.6. On price, ads, in-app purchases and device support 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 | ZKA | CTC配方 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 54 MB | 38 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Hunan Mujuan Technology Co., Ltd.](https://appshunter.io/developer/1896646501) | [Shanghai Yunjiao Information Technology Co., Ltd.](https://appshunter.io/developer/1649086806) |

## What reviewers say

### ZKA

[App page](https://appshunter.io/ios/app/zka/id1585092740)

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

**In-app purchases:** none


### CTC配方

[App page](https://appshunter.io/ios/app/ctc/id6471565974)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZKA free?

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

### Is CTC配方 free?

CTC配方 is free to download, with no in-app purchases.

### Do ZKA or CTC配方 have ads?

Neither ZKA nor CTC配方 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.*