# 中国碳市 vs CoinCalc

The clearest difference is device support: 中国碳市 at 3 against CoinCalc's 1. 中国碳市 also leads on iOS requirement (7.0 vs 17.0). 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 | 中国碳市 | CoinCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Size | 67 MB | 13 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [湖北碳排放权交易中心](https://appshunter.io/developer/1033049739) | [Shenzhen Camuning Technology Co., LTD](https://appshunter.io/developer/1619598364) |

## What reviewers say

### 中国碳市

[App page](https://appshunter.io/ios/app/id1033049740)

**In-app purchases:** none


### CoinCalc

[App page](https://appshunter.io/ios/app/coincalc/id6777108865)

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

**In-app purchases:** none


## Frequently asked questions

### Is 中国碳市 free?

中国碳市 is free to download, with no in-app purchases.

### Is CoinCalc free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*