# cMT Viewer vs CrewBoard

The clearest difference is in-app purchases: cMT Viewer at none against CrewBoard's 5. cMT Viewer also leads on update cadence (every 2 months vs every 61 months) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. CrewBoard sells 5 one-off in-app purchases. cMT Viewer asks for nothing beyond the download.

cMT Viewer ships an update every 2 months, CrewBoard every 61 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | cMT Viewer | CrewBoard |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 61 months |
| Monetization | Free | — |
| Size | 67 MB | 6 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Weintek Labs., Inc.](https://appshunter.io/developer/553431853) | [Yachtcloud](https://appshunter.io/developer/1054294425) |

## 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


### CrewBoard

[App page](https://appshunter.io/ios/app/crewboard/id1122429619)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CrewBoard 10 user licence pack | $49.99 | one-time |
| CrewBoard 25 user licence pack | $99.99 | one-time |
| CrewBoard info pages module | $149.99 | one-time |
| CrewBoard 50 user licence pack | $199.99 | one-time |
| CrewBoard 100 user licence pack | $399.99 | one-time |


## Frequently asked questions

### Is cMT Viewer free?

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

### Is CrewBoard free?

CrewBoard is free to download, with in-app purchases available.

### Do cMT Viewer or CrewBoard have ads?

Neither cMT Viewer nor CrewBoard shows ads.

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

cMT Viewer ships an update every 2 months, and CrewBoard every 61 months. Most recently, cMT Viewer was updated on October 9, 2026 and CrewBoard on October 7, 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.*