iDoor vs USim OS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDoor
Control your home's doors, windows, and appliances remotely via your phone. Monitor device status and view live camera feeds to manage your smart home environment.
- Remote device control
- Live camera monitoring
- WiFi and Bluetooth connectivity
- Device status viewing
- Share device access
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In the era of the Internet of Everything, we will be able to control the doors, windows and household appliances of the home through a mobile phone and an application, and watch the status of the doors, windows and devices through the camera, opening a beautiful smart home life for us. 1. Camera: You can view the status of the device in real time through the camera and control the device. 2.WiFi Bluetooth module: You can perform remote control operations on the device, or you can connect the device Bluetooth and control the device. 3. You can also share the device to your loved ones and friends.
USim OS
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About USim OS App, Our company focuses on providing cloud products, IoT cards, and other IoT value-added products for the IoT market.
Screenshots
Verdict
The clearest difference is update cadence: USim OS at weekly against iDoor's monthly. 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.
iDoor ships an update monthly, USim OS weekly. Both last shipped on September 16, 2026.
| Parameter | iDoor | USim OS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 47 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Quanzhou Juhui Electronic Co., Ltd. | Ruiyu Chen |
In-app purchases
iDoor
No in-app purchases
USim OS
No in-app purchases
