USB vs 水質空品檢測寶
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USB
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APP用來註冊設定USB-921 地震儀, 安裝地震儀用戶, 可接收【P波警報】,【特快報】,【地震快報】,【最大震度】推播通知
水質空品檢測寶
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這是一個儀興科技開發的水質檢測, 空氣品質, 環境工業檢測結合微氣候數據監測的應用程式, 簡易專業的介面, 方便用戶使用了解檢測的項目及相關數據的資訊: 舉凡儀興科技開發的量測數據結合物聯網, 均適用. 水質監測最大用途在水產養殖部分, 可監測水質的數據 曲線 警報設定 清池設定還有溫度單位選項等等. 參數選擇, 設備選擇, 期間選擇 更便利使用. 空氣品質因應台灣室內空氣品質環保法規規定, 比各項參數加入 8小時或1小時平均值顯示在此應用程式上 環境工業職安方面有黑濕球溫度熱中暑監測顯示等, 均適用
Screenshots
Verdict
USB and 水質空品檢測寶 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.
USB ships an update every 3 months, 水質空品檢測寶 every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | USB | 水質空品檢測寶 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 201 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Merry-Link Co.,Ltd. | Ju Cheng Shih |
In-app purchases
USB
No in-app purchases
水質空品檢測寶
No in-app purchases








