地灾监测 vs PV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
地灾监测
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本app是一款地灾监测工具类应用，包含个人位置信息上传，进出厂，随手拍，信息，行程，个人中心等内容
PV
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Independently developed solar photovoltaic panel cleaning robot, this app can remotely monitor and operate the robot.
Screenshots
Verdict
The clearest difference is update cadence: PV at every 4 days against 地灾监测's every 7 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.
地灾监测 ships an update every 7 months, PV every 4 days. The most recent releases landed on August 31, 2026 and September 24, 2026 respectively.
| Parameter | 地灾监测 | PV |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 25 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | 虓 赵 | Suzhou Radiant Photovoltaic Technology Co., Ltd |
In-app purchases
地灾监测
No in-app purchases
PV
No in-app purchases
