# 中项网 vs 慧工云IN3+

The clearest difference is update cadence: 慧工云IN3+ at every 3 weeks against 中项网's every 2 months. 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.

中项网 ships an update every 2 months, 慧工云IN3+ every 3 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | 中项网 | 慧工云IN3+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 70 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [华项永达咨询(北京)有限公司](https://appshunter.io/developer/1575310656) | [Suzhou Industics Information Technology Co., Ltd.](https://appshunter.io/developer/1600811285) |

## What reviewers say

### 中项网

[App page](https://appshunter.io/ios/app/id1575310504)

**Features:** macOS Compatibility

**In-app purchases:** none


### 慧工云IN3+

[App page](https://appshunter.io/ios/app/in3-plus/id1645219148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 中项网 free?

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

### Is 慧工云IN3+ free?

慧工云IN3+ is free to download, with no in-app purchases.

### Do 中项网 or 慧工云IN3+ have ads?

Neither 中项网 nor 慧工云IN3+ shows ads.

### Which is updated more often, 中项网 or 慧工云IN3+?

中项网 ships an update every 2 months, and 慧工云IN3+ every 3 weeks. Most recently, 中项网 was updated on October 27, 2026 and 慧工云IN3+ on October 27, 2026.

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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.*