SmartCtrl vs key door
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartCtrl
This app connects to smart security hardware using wireless technology to provide constant safety monitoring. It also offers business insights and on-site service matching based on device location.
- Smart security hardware connection
- Wireless IoT technology
- Comprehensive alarm mode
- Business community insights
- On-site service matching
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"Smart Life Security APP", relying on wireless technology, connects to smart security hardware, ensuring safety is always by your side, with everything at a glance. Smart Hardware Self-developed hardware by Haiyin Intelligent Connection, utilizing IoT wireless technology, achieves interconnectivity in various scenarios and a comprehensive alarm mode, ensuring worry-free security. Business Community With supply and demand, you can easily grasp first-hand resources. Business insights are shared every day to keep you updated on industry trends. On-site Service Based on device location, the service automatically matches installation masters, truly achieving worry-free after-sales service, conveniently and quickly.
key door
This application allows users to remotely control rolling shutter doors, including raising, lowering, and locking them. It provides a convenient way to manage access and security for your property.
- Control rolling shutter door
- Raise door function
- Lower door function
- Lock door function
- Remote access
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AutoGate是一款控制卷闸门上升、下降、锁门的app,欢迎下载使用。
Screenshots
Verdict
The clearest difference is rating: SmartCtrl at 2.3 against key door's 1.0. SmartCtrl also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). key door's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume 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.
SmartCtrl holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
SmartCtrl ships an update every 3 weeks, key door every 3 months. The most recent releases landed on September 26, 2026 and September 14, 2026 respectively.
| Parameter | SmartCtrl | key door |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 309 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | 海银智慧(厦门)科技有限公司 | 胜 邓 |
Customer experience
SmartCtrl
key door
In-app purchases
SmartCtrl
No in-app purchases
key door
No in-app purchases









