# Odrid HMI vs ModTest Pro

The clearest difference is price: ModTest Pro at $9.99 against Odrid HMI's $24.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Odrid HMI costs $24.99 and ModTest Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Odrid HMI ships an update every 3 months, ModTest Pro every 2 months. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Odrid HMI | ModTest Pro |
| --- | --- | --- |
| Price | $24.99 | **$9.99** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/odrid-hmi/id1066799333/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 1 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jan Almqvist](https://appshunter.io/developer/1061683330) | [Dohmann Engineering Services](https://appshunter.io/developer/401682475) |

## What reviewers say

### Odrid HMI

[App page](https://appshunter.io/ios/app/odrid-hmi/id1066799333)

This app acts as an operator panel for industrial control systems, enabling remote monitoring and control via Wi-Fi or mobile internet. It supports various industrial protocols and can also be used for home automation, offering a flexible alternative to traditional SCADA systems.

**Highlights:** Industrial control system communication, Wi-Fi and mobile internet support, Modbus/TCP and Siemens S7 protocols, Home automation integration, Multi-touch graphic HMIs, Free development tool with test run

**In-app purchases:** none


### ModTest Pro

[App page](https://appshunter.io/ios/app/modtest-pro/id1552784932)

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

**In-app purchases:** none


## Frequently asked questions

### Is Odrid HMI free?

Odrid HMI costs $24.99, with no in-app purchases.

### Is ModTest Pro free?

ModTest Pro costs $9.99, with no in-app purchases.

### Do Odrid HMI or ModTest Pro have ads?

Neither Odrid HMI nor ModTest Pro shows ads.

### Which is updated more often, Odrid HMI or ModTest Pro?

Odrid HMI ships an update every 3 months, and ModTest Pro every 2 months. Most recently, Odrid HMI was updated on September 15, 2026 and ModTest Pro on September 8, 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.*