ZSmart vs DSS OnePass
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
DSS OnePass
Manage property access, video intercoms, and employee attendance from a single mobile application. Securely control doors, communicate with visitors, and track work hours with centralized notifications and multi-device support.
- Video intercom calls
- Bluetooth/QR code door unlock
- Clock in/out for attendance
- Centralized message center
- Manage multiple properties
- Secure encrypted communication
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DSS OnePass is the official mobile app for DSS system's video surveillance, access control, and attendance platform, designed for property owners and employees. Key Features: Video Intercom: Initiate two-way audio/video calls with visitors or intercom terminals connected to the DSS system. Flexible Access Control: Unlock doors via multiple methods including Bluetooth, QR Code, or remote authorization. Attendance Management: Clock in/out anytime, anywhere, and check attendance records to track daily presence effortlessly. Message Center: Centralized hub for property notices, visitor messages, door status updates, intercom logs, and alarm alerts—all in one place. Multi-Device Support: Manage multiple sites/devices under a single account, ideal for residential compounds and multi-location campuses. Secure & Reliable: Built on enterprise-grade DSS infrastructure with encrypted, stable communication. Whether for residential communities, office buildings, or industrial parks, DSS OnePass puts video intercom, access control, and attendance management at your fingertips.
Screenshots
Verdict
The clearest difference is rating: ZSmart at 4.5 against DSS OnePass's 3.3. ZSmart also leads on ratings volume (117 vs 7) and iOS requirement (11.0 vs 13.0). DSS OnePass's advantage is update cadence (every 2 months vs every 7 months). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: ZSmart has 117 ratings behind it against 7, so its average is the more settled of the two.
ZSmart ships an update every 7 months, DSS OnePass every 2 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.
| Parameter | ZSmart | DSS OnePass |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (117 ratings) — better | 3.3 (7 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 117 — better | 7 |
| Update frequency | Every 7 months | Every 2 months — better |
| 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 | 231 MB |
| Age rating | 4+ | 4+ |
| Developer | ZKTeco Inc. | Hangzhou CE-soft Technology Co., Ltd. |
Customer experience
ZSmart
DSS OnePass
In-app purchases
ZSmart
No in-app purchases
DSS OnePass
No in-app purchases
