# HISS IoT vs smart IoT

The clearest difference is update cadence: HISS IoT at every 6 weeks against smart IoT's every 24 months. HISS IoT also leads on iOS requirement (10.0 vs 12.0). 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.

HISS IoT ships an update every 6 weeks, smart IoT every 24 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HISS IoT | smart IoT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 24 months |
| Size | 93 MB | 190 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Zeepson Technology,lnc](https://appshunter.io/developer/708861199) | [汉军 唐](https://appshunter.io/developer/1524398218) |

## What reviewers say

### HISS IoT

[App page](https://appshunter.io/ios/app/hiss-iot/id1412615133)

**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 HISS IoT free?

HISS IoT 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 HISS IoT or smart IoT have ads?

Neither HISS IoT nor smart IoT shows ads.

### Which is updated more often, HISS IoT or smart IoT?

HISS IoT ships an update every 6 weeks, and smart IoT every 24 months. Most recently, HISS IoT was updated on November 2, 2026 and smart IoT on November 3, 2026.

---

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