# cMT Viewer vs Scribas

The clearest difference is price: cMT Viewer at Free against Scribas's $3.99. cMT Viewer also leads on iOS requirement (12.0 vs 18.6). Scribas's advantage is update cadence (fortnightly vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

cMT Viewer is free to download; Scribas costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

cMT Viewer ships an update every 2 months, Scribas fortnightly. The most recent releases landed on September 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | cMT Viewer | Scribas |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/cmt-viewer/id553431850/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 67 MB | 266 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Weintek Labs., Inc.](https://appshunter.io/developer/553431853) | [Oscar Garcia Martinez](https://appshunter.io/developer/1666326893) |

## 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


### Scribas

[App page](https://appshunter.io/ios/app/scribas/id6742160547)

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

**In-app purchases:** none


## Frequently asked questions

### Is cMT Viewer free?

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

### Is Scribas free?

Scribas costs $3.99, with no in-app purchases.

### Do cMT Viewer or Scribas have ads?

Neither cMT Viewer nor Scribas shows ads.

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

cMT Viewer ships an update every 2 months, and Scribas fortnightly. Most recently, cMT Viewer was updated on September 23, 2026 and Scribas on October 15, 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.*