# iSmartBulb vs ZSmart

The clearest difference is rating: ZSmart at 4.4 against iSmartBulb's 2.3. ZSmart also leads on ratings volume (118 vs 3). iSmartBulb's advantage is update cadence (every 2 months vs every 8 months) and iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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, 4.4 against 2.3. That said, the two scores are not equally well evidenced: ZSmart has 118 ratings behind it against 3, so its average is the more settled of the two.

iSmartBulb ships an update every 2 months, ZSmart every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | iSmartBulb | ZSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/ismartbulb/id973327321/reviews) | **[4.4 (118 ratings)](https://appshunter.io/ios/app/zsmart/id1484043889/reviews)** |
| Number of ratings | 3 | **118** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 51 MB | 202 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [云江 王](https://appshunter.io/developer/1322295053) | [ZKTeco Inc.](https://appshunter.io/developer/955313767) |

## What reviewers say

### iSmartBulb

[App page](https://appshunter.io/ios/app/ismartbulb/id973327321)

Control smart lights through a connected gateway. Create custom scenes to manage multiple lights at once or control individual lights within specific areas. Personalize the app's look with custom images.

**Highlights:** Scene control for multiple lights, Area control for individual lights, Customizable scene and area images, Database synchronization across devices

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iSmartBulb free?

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

### Is ZSmart free?

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

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

ZSmart is rated higher. iSmartBulb averages 2.3 out of 5 from 3 ratings, while ZSmart averages 4.4 from 118 ratings.

### Do iSmartBulb or ZSmart have ads?

Neither iSmartBulb nor ZSmart shows ads.

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

iSmartBulb ships an update every 2 months, and ZSmart every 8 months. Most recently, iSmartBulb was updated on October 24, 2026 and ZSmart on October 24, 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.*