# ZHC Security vs smart IoT

The clearest difference is update cadence: ZHC Security at every 9 months against smart IoT's every 24 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.

ZHC Security ships an update every 9 months, smart IoT every 24 months. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ZHC Security | smart IoT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 24 months |
| Size | 190 MB | 190 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [斌 王](https://appshunter.io/developer/1235491013) | [汉军 唐](https://appshunter.io/developer/1524398218) |

## What reviewers say

### ZHC Security

[App page](https://appshunter.io/ios/app/zhc-security/id1513150356)

**Features:** macOS Compatibility

**In-app purchases:** none


### smart IoT

[App page](https://appshunter.io/ios/app/smart-iot/id6444161724)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZHC Security free?

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

### Is smart IoT free?

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

### Do ZHC Security or smart IoT have ads?

Neither ZHC Security nor smart IoT shows ads.

### Which is updated more often, ZHC Security or smart IoT?

ZHC Security ships an update every 9 months, and smart IoT every 24 months. Most recently, ZHC Security was updated on September 11, 2026 and smart IoT on September 10, 2026.

---

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