# OpenIoTHub vs Zima Client

The clearest difference is ads: Zima Client at none against OpenIoTHub's shown. Zima Client also leads on ratings volume (154 vs 1) and monetization model (free vs ad-supported). OpenIoTHub's advantage is update cadence (weekly vs every 2 weeks) and rating (5.0 vs 4.8). On price 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 4.8. That said, the two scores are not equally well evidenced: Zima Client has 154 ratings behind it against 1, so its average is the more settled of the two.

OpenIoTHub ships an update weekly, Zima Client every 2 weeks. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | OpenIoTHub | Zima Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openiothub/id1501554327/reviews)** | [4.8 (154 ratings)](https://appshunter.io/ios/app/zima-client/id6743763150/reviews) |
| Number of ratings | 1 | **154** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 155 MB | 108 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hefei Yunyilian Intelligent Technology Co., Ltd](https://appshunter.io/developer/1541792997) | [IceWhale Technology Limited](https://appshunter.io/developer/1804373296) |

## What reviewers say

### 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

**In-app purchases:** none


### Zima Client

[App page](https://appshunter.io/ios/app/zima-client/id6743763150)

Manage your ZimaOS from your mobile device. Monitor operations, execute applications, and review files remotely. Prioritizes data privacy and sovereignty for users.

**Highlights:** Remote ZimaOS management, Monitor operational status, Execute deployed applications, Review files, Data privacy focused

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenIoTHub free?

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

### Is Zima Client free?

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

### Which has better reviews, OpenIoTHub or Zima Client?

OpenIoTHub is rated higher. OpenIoTHub averages 5.0 out of 5 from 1 ratings, while Zima Client averages 4.8 from 154 ratings.

### Do OpenIoTHub or Zima Client have ads?

OpenIoTHub shows ads; Zima Client does not.

### Which is updated more often, OpenIoTHub or Zima Client?

OpenIoTHub ships an update weekly, and Zima Client every 2 weeks. Most recently, OpenIoTHub was updated on September 13, 2026 and Zima Client on September 22, 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.*