北斗星HD vs 水质多参数APP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
北斗星HD
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中国卫星导航与位置服务十佳运营商,卫星定位车载监控管理平台,推出的Iphone客户端软件,方便用户随时随地掌握车辆状况。 主要功能有:查看车辆列表,单车实时跟踪,多车监控,回放历史轨迹,逆地址查询,通过不同图标显示不同车辆状态等。
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
Screenshots
Verdict
The clearest difference is iOS requirement: 北斗星HD at 8.0 against 水质多参数APP's 12.0. On price, update cadence, ads and in-app purchases 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.
北斗星HD ships an update every 4 months, 水质多参数APP every 7 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.
| Parameter | 北斗星HD | 水质多参数APP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 216 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | ShenZhen Jimi IoT Co.,Ltd | Xiamen Standards Scientific Instrument Co.,Ltd. |
In-app purchases
北斗星HD
No in-app purchases
水质多参数APP
No in-app purchases
