USB vs 衛星雲
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
衛星雲
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衛星雲APP - 行車追蹤、狀態通知、行車影像、行車記錄
Screenshots
Verdict
The clearest difference is update cadence: USB at every 3 months against 衛星雲's every 14 months. USB also leads on iOS requirement (13.0 vs 15.0). 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.
USB ships an update every 3 months, 衛星雲 every 14 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | USB | 衛星雲 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 201 MB | 49 MB |
| Age rating | 4+ | 17+ |
| Developer | Merry-Link Co.,Ltd. | Chienhui Wu |
In-app purchases
USB
No in-app purchases
衛星雲
No in-app purchases
