# ZSmart vs ISSY APP

The clearest difference is update cadence: ISSY APP at every 3 weeks against ZSmart's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ZSmart ships an update every 8 months, ISSY APP every 3 weeks. The most recent releases landed on October 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ZSmart | ISSY APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (118 ratings)](https://appshunter.io/ios/app/zsmart/id1484043889/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 202 MB | 39 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZKTeco Inc.](https://appshunter.io/developer/955313767) | [JOSUE LUIS BUESO RIVERA](https://appshunter.io/developer/1859450125) |

## 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


### ISSY APP

[App page](https://appshunter.io/ios/app/issy-app/id6756240391)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZSmart free?

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

### Is ISSY APP free?

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

### Do ZSmart or ISSY APP have ads?

Neither ZSmart nor ISSY APP shows ads.

### Which is updated more often, ZSmart or ISSY APP?

ZSmart ships an update every 8 months, and ISSY APP every 3 weeks. Most recently, ZSmart was updated on October 16, 2026 and ISSY APP on September 26, 2026.

---

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