ZSmart vs Kaadas Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZSmart
Control and manage your ZKTeco smart home devices from a single app. Monitor security cameras, locks, and alarms, and automate lighting and plugs with voice commands via compatible smart assistants.
- Remote lock and unlock management
- Real-time security camera viewing
- See and speak to visitors via video doorbell
- Smart alarm system control
- Adjustable smart bulb brightness and color
- Automated smart plug scheduling
- Voice control with Amazon Echo/Google Nest
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ZKTeco's smart home security system is an all-in-one IoT solution for the end users. Benefited from this smart and powerful system, we could enjoy a seamless experience with various smart home devices in one mobile App -- ZSmart. More importantly, when paired with a compatible Amazon Echo or Google Nest device, you can enjoy full hands-free control with voice commands. With ZSmart App, you can manage and control all the products in one App: - Smart Door Lock: Unlock and manage the lock from anywhere - Security Camera: View surveillance videos in real time - Video Doorbell: See & speak to visitors from anywhere - Alarm System: Protect the house with smart alarm system - Smart Bulb: Change the brightness or color as need - Smart Plug: Turn on or off automatically at a specific schedule - Smart Light Switch: Switch on or off anytime, anywhere If you have any questions, please feel free to contact us. E-mail: sales@zkteco.com Website: www.zkteco.com
Kaadas Lock
Manage your smart door locks with real-time security updates and convenient user controls. Some models offer doorbell intercom and remote unlocking for enhanced convenience and safety.
- Real-time security log reports
- Convenient user management
- Doorbell intercom support
- Remote unlocking capabilities
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Cadiz door locks, enjoy a safe and convenient life 1. Real-time log report, security information instantly mastered 2. Convenient user management 3. Some door locks support doorbell intercom and remote unlocking.
Screenshots
Verdict
The clearest difference is review sentiment: Kaadas Lock at 25% against ZSmart's 0%. ZSmart's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads 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.
ZSmart ships an update every 7 months, Kaadas Lock every 10 months. The most recent releases landed on July 5, 2026 and August 17, 2026 respectively.
| Parameter | ZSmart | Kaadas Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (117 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 25.0% of reviews — better |
| Number of ratings | 117 — better | — |
| Update frequency | Every 7 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 169 MB | 183 MB |
| Age rating | 4+ | 12+ |
| Developer | XiaMen Teco Electronic Technology Co., Ltd. | Shenzhen Kaadas Intelligent Technology Co.,Ltd |
Customer experience
ZSmart
Kaadas Lock
In-app purchases
ZSmart
No in-app purchases
Kaadas Lock
No in-app purchases









