Safe Home vs USB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Safe Home
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Safe-Home is a H.264 digital video recorder remote viewer. 01. Address Book. 02. PTZ Control. 03. Relay Control. 04. Multi Channel H.264 Viewer. 05. Double tap to switch single channel mode/quad channel mode. 06. Scroll left/right to switch next/previous channel. 07. Listen DVR Audio. 08. Talk to DVR. 09. Remote Playback. 10. Event Notification. 11. Snapshot. 12. Zoom video.
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
Screenshots
Verdict
The clearest difference is update cadence: Safe Home at every 3 weeks against USB's every 3 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.
Safe Home ships an update every 3 weeks, USB every 3 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.
| Parameter | Safe Home | USB |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | Aquila DVR | Merry-Link Co.,Ltd. |
In-app purchases
Safe Home
No in-app purchases
USB
No in-app purchases
