项目E管（参建） vs VOCs圈子
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
项目E管（参建）
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产品主要服务于城投和集建中心（管委会、重点局办、工务处）的建设项目全过程管理。目的是帮忙客户制定合理的目标成本及项目进度计划，过程中控制好成本、进度的执行，并通过有效的措施提前管控好质量、安全、材料管理过程中可能造成成本增加、进度延期的相关因素，从而保证建设成本、进度控制在合理的目标范围内完成。 新版特性： 【消息推送】 通过与pc端对接，可快速获取pc相应的待办记录，方便快速进行处理查阅；
VOCs圈子
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VOCS圈子致力于VOCs低碳减排，来加入我们的行列，做一个低碳环保人。
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 项目E管（参建） | VOCs圈子 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 176 MB | 42 MB |
| Age rating | 17+ | 17+ |
| Developer | 国泰新点软件股份有限公司 | Yiwu Advanced Talent Agency Co., Ltd. |
In-app purchases
项目E管（参建）
No in-app purchases
VOCs圈子
No in-app purchases
