# cMT Viewer vs PACData

The clearest difference is rating: cMT Viewer at 4.6 against PACData's 2.0. cMT Viewer also leads on ratings volume (8 vs 2). On price, update cadence, ads 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.

cMT Viewer holds the better App Store score, 4.6 against 2.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | cMT Viewer | PACData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/cmt-viewer/id553431850/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/pacdata/id669487002/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 67 MB | 148 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weintek Labs., Inc.](https://appshunter.io/developer/553431853) | [Automationdirect.com](https://appshunter.io/developer/441915589) |

## What reviewers say

### cMT Viewer

[App page](https://appshunter.io/ios/app/cmt-viewer/id553431850)

This application allows for the visual control of HMI hardware and software directly on an iPad. It offers seamless integration with powerful project editor software, enabling intuitive multi-touch gesture operation for data display and trend analysis.

**Highlights:** Multiple iPad clients, Simultaneous operation of multiple HMI servers, Intuitive multi-touch gestures, Fluid and vivid visualization, Account management for access privileges, Hot project switching

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

**In-app purchases:** none


### PACData

[App page](https://appshunter.io/ios/app/pacdata/id669487002)

This app provides real-time remote monitoring for industrial control systems. It allows users to view discrete and integer values, access alarm history, and capture screen data. Secure logon and network configuration are essential for its operation.

**Highlights:** Real-time remote monitoring, Monitor discrete and integer values, Access alarm and event history, Save screen captures, Secure logon protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cMT Viewer free?

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

### Is PACData free?

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

### Which has better reviews, cMT Viewer or PACData?

cMT Viewer is rated higher. cMT Viewer averages 4.6 out of 5 from 8 ratings, while PACData averages 2.0 from 2 ratings.

### Do cMT Viewer or PACData have ads?

Neither cMT Viewer nor PACData shows ads.

### Which is updated more often, cMT Viewer or PACData?

cMT Viewer ships an update every 2 months, and PACData every 2 months. Most recently, cMT Viewer was updated on September 23, 2026 and PACData 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.*