水质多参数APP vs 3D FAN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
水质多参数APP
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OSTD-proMT水质多参数连接、控制软件；可显示水温、pH、电导率、溶解氧、浊度、叶绿素、蓝绿藻等参数
3D FAN
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我们的用于控制手持风扇屏设备，通过WiFi与设备进行连接，能简单方便的给设备上传，删除，修改素材，并在设备播放时可修改播放列表，点播，设置播放次数等操作。
Screenshots
Verdict
The clearest difference is update cadence: 3D FAN at every 3 months against 水质多参数APP's every 7 months. 3D FAN also leads on iOS requirement (8.0 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.
水质多参数APP ships an update every 7 months, 3D FAN every 3 months. The most recent releases landed on July 1, 2026 and March 11, 2026 respectively.
| Parameter | 水质多参数APP | 3D FAN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiamen Standards Scientific Instrument Co.,Ltd. | 永泉 官 |
In-app purchases
水质多参数APP
No in-app purchases
3D FAN
No in-app purchases
