# HLK_SW16 vs OpenIoTHub

The clearest difference is rating: OpenIoTHub at 5.0 against HLK_SW16's 4.0. OpenIoTHub also leads on update cadence (weekly vs every 3 months) and device support (4 vs 2). HLK_SW16's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume 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.

OpenIoTHub holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 75% of HLK_SW16's written reviews are positive against 67% of OpenIoTHub's, so the app with the better star average is not the one people write more warmly about.

HLK_SW16 ships an update every 3 months, OpenIoTHub weekly. The most recent releases landed on October 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | HLK_SW16 | OpenIoTHub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/hlk-sw16/id1146109919/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openiothub/id1501554327/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | **75.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 155 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市海凌科电子有限公司](https://appshunter.io/developer/1116319863) | [Hefei Yunyilian Intelligent Technology Co., Ltd](https://appshunter.io/developer/1541792997) |

## What reviewers say

### HLK_SW16

[App page](https://appshunter.io/ios/app/hlk-sw16/id1146109919)

This utility app enables remote control of 16-channel relays. Features include route configuration, remote account login, remote switch control, time synchronization, and scheduled settings.

**Highlights:** 16-channel relay remote control, Route configuration, Remote account login, Remote switch control, Time synchronization, Scheduled settings

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenIoTHub

[App page](https://appshunter.io/ios/app/openiothub/id1501554327)

This tool provides remote access and management for various IoT devices and intranet services. It supports multiple protocols and integrates with popular private cloud solutions and hardware.

**Highlights:** Remote IoT device management, Intranet penetration access, Supports TCP, UDP, HTTP, FTP, Integrates with private clouds (CasaOS, ZimaOS, etc.), Supports various hardware and Docker interfaces

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HLK_SW16 free?

HLK_SW16 is free to download, with no in-app purchases.

### Is OpenIoTHub free?

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

### Which has better reviews, HLK_SW16 or OpenIoTHub?

OpenIoTHub is rated higher. HLK_SW16 averages 4.0 out of 5 from 1 ratings, while OpenIoTHub averages 5.0 from 1 ratings.

### Do HLK_SW16 or OpenIoTHub have ads?

OpenIoTHub shows ads; HLK_SW16 does not.

### Which is updated more often, HLK_SW16 or OpenIoTHub?

HLK_SW16 ships an update every 3 months, and OpenIoTHub weekly. Most recently, HLK_SW16 was updated on October 6, 2026 and OpenIoTHub on October 29, 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.*