# 项目E管（参建） vs VOCs圈子

The clearest difference is update cadence: VOCs圈子 at every 2 months against 项目E管（参建）'s every 5 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.

项目E管（参建） ships an update every 5 months, VOCs圈子 every 2 months. The most recent releases landed on May 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 项目E管（参建） | VOCs圈子 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 176 MB | 42 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [国泰新点软件股份有限公司](https://appshunter.io/developer/540648597) | [Yiwu Advanced Talent Agency Co., Ltd.](https://appshunter.io/developer/1544184396) |

## What reviewers say

### 项目E管（参建）

[App page](https://appshunter.io/ios/app/e/id1637606819)

**Features:** macOS Compatibility

**In-app purchases:** none


### VOCs圈子

[App page](https://appshunter.io/ios/app/vocs/id6737539277)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 项目E管（参建） free?

项目E管（参建） is free to download, with no in-app purchases.

### Is VOCs圈子 free?

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

### Do 项目E管（参建） or VOCs圈子 have ads?

Neither 项目E管（参建） nor VOCs圈子 shows ads.

### Which is updated more often, 项目E管（参建） or VOCs圈子?

项目E管（参建） ships an update every 5 months, and VOCs圈子 every 2 months. Most recently, 项目E管（参建） was updated on May 16, 2026 and VOCs圈子 on September 15, 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.*