# Comtrade Viewer vs CMC Swift

The clearest difference is update cadence: Comtrade Viewer at fortnightly against CMC Swift's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Comtrade Viewer ships an update fortnightly, CMC Swift every 4 months. The most recent releases landed on September 17, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Comtrade Viewer | CMC Swift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cmc-swift/id1498901607/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | — | Free |
| Size | 4 MB | 127 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Russell Patterson](https://appshunter.io/developer/1723606459) | [OMICRON electronics GmbH](https://appshunter.io/developer/1233298257) |

## What reviewers say

### Comtrade Viewer

[App page](https://appshunter.io/ios/app/comtrade-viewer/id1469713323)

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

**In-app purchases:** none


### CMC Swift

[App page](https://appshunter.io/ios/app/cmc-swift/id1498901607)

Control Omicron CMCs to output analog voltages and currents, feed in binary signals, or measure them. Perform wiring and control system checks, as well as trip tests for protective functions quickly and easily. It also facilitates polarity checks when used with a handheld CPOL device.

**Highlights:** Output analog voltages and currents, Feed in binary signals, Measure binary signals, Perform wiring and control system checks, Conduct trip tests for protective functions, Perform polarity checks with CPOL device

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Comtrade Viewer free?

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

### Is CMC Swift free?

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

### Do Comtrade Viewer or CMC Swift have ads?

Neither Comtrade Viewer nor CMC Swift shows ads.

### Which is updated more often, Comtrade Viewer or CMC Swift?

Comtrade Viewer ships an update fortnightly, and CMC Swift every 4 months. Most recently, Comtrade Viewer was updated on September 17, 2026 and CMC Swift on July 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.*