HMI Viewer vs FrameworX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HMI Viewer
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.
- View-only HMI interface
- Interact with PLC-controlled processes
- Secure deployment to end-user devices
- Supports major PLC brands
- Native application performance
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HMI is the view only version of our HMI system (HMI and HMI Editor). With the HMI Editor app integrators create efficient, advanced, highly responsive "Human Machine Interfaces" and deploy securely to end users's devices who are able to run projects specifically designed for them. As an end user you can download your projects with a single tap of your finger and interact with your Programmable Logic Controllers (PLCs) controlled processes as you never did before. The HMI Editor and HMI apps are fully native and support all major Programmable Logic Controller (PLC) brands.
FrameworX
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FrameworX is the official iOS companion for Tatsoft’s industrial software platform. Monitor and interact with real-time operational data from anywhere on your iPhone or iPad. Connect securely to your FrameworX server and access interactive SCADA/HMI displays — the same displays running on desktop and web, now native on iOS. KEY FEATURES: Real-time monitoring of process data, dashboards, and KPIs • Interactive SCADA displays with gauges, charts, trends, and industrial symbols • Alarm management — view, acknowledge, and filter alarms on the go • Historical trend charts with multi-tag analysis • Secure connectivity with TLS/SSL and user authentication • Native iOS experience — optimized for iPhone and iPad • Works with FrameworX, FactoryStudio, MachineHMI, and EdgeConnect REQUIREMENTS: A running FrameworX (v10.1) with iOS client access. Server licenses at tatsoft.com. ABOUT TATSOFT: Tatsoft LLC builds modern industrial software with 30+ years of automation DNA. FrameworX powers critical infrastructure worldwide. Learn more at tatsoft.com.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 6, 2026 and November 5, 2026 respectively.
| Parameter | HMI Viewer | FrameworX |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Greg Maendel | Tatsoft |
In-app purchases
HMI Viewer
No in-app purchases
FrameworX
No in-app purchases








