大采购 vs 石化招采
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
大采购
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筑龙大采购App是专为负责招标投标项目的各级领导及招标投标人员提供的通过手机随时查看、管理项目情况的便捷工具，方便、移动、快捷。主要提供的功能有： 1.各类公告的查看 2.项目的详情查看及进度管理 3.使用手机证书完成登录系统、加密、解密、签名、签章等功能 4.查看交易平台的各类资讯 5.快捷处理审批事项，查看提醒消息
石化招采
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石化招采app应用主要满足中国石化建设工程电子招标投标交易平台用户使用，提供移动端业务功能的查询及审批服务；实现用户CA的新签、补签、续签等功能，同时提供招标文件、投标文件的加密解密及签章等服务。
Screenshots
Verdict
The clearest difference is update cadence: 大采购 at every 4 weeks against 石化招采's every 2 months. 石化招采's advantage is iOS requirement (10.0 vs 12.0). 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.
大采购 ships an update every 4 weeks, 石化招采 every 2 months. The most recent releases landed on May 18, 2026 and September 15, 2026 respectively.
| Parameter | 大采购 | 石化招采 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 95 MB |
| Age rating | 17+ | 4+ |
| Developer | 北京筑龙信息技术有限责任公司 | China Petrochemical Corporation |
In-app purchases
大采购
No in-app purchases
石化招采
No in-app purchases
