掌乾坤 vs PPA系统
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
掌乾坤
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运筹软件［掌乾坤］秉承快乐工作的理念，主要包含客户关系管理、销售管理、项目管理、采购管理、生产管理、库存管理、售后服务管理、财务管理、人力资源管理等模块，达到各部门协同工作。集CRM、ERP、OA、HR于一体，全面不失细致，着重销售流程体系及生产流程体系的过程管控。通过本软件即可全面掌控企业的人、财、物，实现产、供、销一体化管理。运筹软件业务执行层、管理控制层、决策规划层各功能模块清晰明确，浑然一体。全方位提升企业管理水平，这是我们持续不懈的追求。
PPA系统
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Linde PPA mobile app allows you to connect to Linde quickly when you have any issues or requests with Linde Engineering Project Services. you can post the issues/requests, view the process and see the results, also receive the notices from Linde, all in this mobile app.
Screenshots
Verdict
The clearest difference is update cadence: PPA系统 at monthly against 掌乾坤'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.
掌乾坤 ships an update every 5 months, PPA系统 monthly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.
| Parameter | 掌乾坤 | PPA系统 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 47 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Shandong Operation Research Software Co., Ltd | Linde Engineering APAC Co., Ltd. |
In-app purchases
掌乾坤
No in-app purchases
PPA系统
No in-app purchases
