# ZSmart vs ZTK

The clearest difference is rating: ZTK at 5.0 against ZSmart's 4.5. ZSmart's advantage is ratings volume (117 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZTK holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ZSmart has 117 ratings behind it against 2, so its average is the more settled of the two.

ZSmart ships an update every 7 months, ZTK every 12 months. The most recent releases landed on July 5, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | ZSmart | ZTK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (117 ratings)](https://appshunter.io/ios/app/zsmart/id1484043889/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ztk/id1562255375/reviews)** |
| Number of ratings | **117** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 169 MB | 168 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XiaMen Teco Electronic Technology Co., Ltd.](https://appshunter.io/developer/955313767) | [Beijing baiyijie Technology Co., Ltd](https://appshunter.io/developer/1562255467) |

## What reviewers say

### ZSmart

[App page](https://appshunter.io/ios/app/zsmart/id1484043889)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### ZTK

[App page](https://appshunter.io/ios/app/ztk/id1562255375)

Manage your smart home appliances from a single application. Control devices remotely, monitor their status in real-time, and share access with family members for centralized intelligent living.

**Highlights:** Centralized management of smart appliances, Remote startup and control, Real-time status display, Family sharing of device access, Build an intelligent life

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZSmart free?

ZSmart is free to download, with no in-app purchases.

### Is ZTK free?

ZTK is free to download, with no in-app purchases.

### Which has better reviews, ZSmart or ZTK?

ZTK is rated higher. ZSmart averages 4.5 out of 5 from 117 ratings, while ZTK averages 5.0 from 2 ratings.

### Do ZSmart or ZTK have ads?

Neither ZSmart nor ZTK shows ads.

### Which is updated more often, ZSmart or ZTK?

ZSmart ships an update every 7 months, and ZTK every 12 months. Most recently, ZSmart was updated on July 5, 2026 and ZTK on September 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*