# 中智万年历 vs 多多工程

The clearest difference is device support: 中智万年历 at 2 against 多多工程's —. 多多工程's advantage is iOS requirement (11.0 vs 15.0). 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 | 中智万年历 | 多多工程 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Size | 24 MB | 29 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [无锡中智联云信息科技有限公司](https://appshunter.io/developer/1360100145) | [广东多对多物联科技有限公司](https://appshunter.io/developer/1456076197) |

## What reviewers say

### 中智万年历

[App page](https://appshunter.io/ios/app/id1360100146)

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

**In-app purchases:** none


### 多多工程

[App page](https://appshunter.io/ios/app/id1507752221)

**In-app purchases:** none


## Frequently asked questions

### Is 中智万年历 free?

中智万年历 is free to download, with no in-app purchases.

### Is 多多工程 free?

多多工程 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.*