应急中心 vs PV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
应急中心
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企业内员工可以通过本软件将应急呼叫信息智能上报到中央企业，智能记录呼叫人的位置、轨迹信息，同时呼叫人可选择补充呼叫时的图片或视频，针对呼叫信息支持查看呼叫历史记录信息，支持多种地图图层管理、通讯录设置等功能。
PV
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The App is designed for customer to do self-checking on the solar modules and make records of the relevant data. 1. Customer can query the module information through the App no matter modules are purchased directly or from a dealer. 2. Customer can make queries after they get qualification of the enterprise. 3. It is convenient for customers to quickly judge the status of modules and accurately collect relevant information
Screenshots
Verdict
应急中心 and PV are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
应急中心 ships an update every 3 months, PV every 2 months. The most recent releases landed on October 30, 2026 and November 3, 2026 respectively.
| Parameter | 应急中心 | PV |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Inspur Genersoft Co., Ltd. | Trina Solar Co., Ltd. |
In-app purchases
应急中心
No in-app purchases
PV
No in-app purchases
