# HMI Viewer vs FrameworX

The clearest difference is price: FrameworX at Free against HMI Viewer's $0.99. HMI Viewer's advantage is update cadence (every 2 months vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

FrameworX is free to download; HMI Viewer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HMI Viewer ships an update every 2 months, FrameworX every 4 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | HMI Viewer | FrameworX |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hmi-viewer/id1261910446/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 17 MB | 59 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Maendel](https://appshunter.io/developer/507756979) | [Tatsoft](https://appshunter.io/developer/541730909) |

## What reviewers say

### HMI Viewer

[App page](https://appshunter.io/ios/app/hmi-viewer/id1261910446)

This application allows end users to interact with PLC-controlled processes through custom-designed Human Machine Interfaces. Integrators can create and deploy these interfaces securely, enabling seamless control and monitoring of industrial systems.

**Highlights:** View-only HMI interface, Interact with PLC-controlled processes, Secure deployment to end-user devices, Supports major PLC brands, Native application performance

**Features:** Vision Pro support

**In-app purchases:** none


### FrameworX

[App page](https://appshunter.io/ios/app/frameworx-scada-hmi-client/id6758784952)

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

**In-app purchases:** none


## Frequently asked questions

### Is HMI Viewer free?

HMI Viewer costs $0.99, with no in-app purchases.

### Is FrameworX free?

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

### Do HMI Viewer or FrameworX have ads?

Neither HMI Viewer nor FrameworX shows ads.

### Which is updated more often, HMI Viewer or FrameworX?

HMI Viewer ships an update every 2 months, and FrameworX every 4 months. Most recently, HMI Viewer was updated on November 11, 2026 and FrameworX on November 5, 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.*