# D vs CMC Swift

The clearest difference is update cadence: D at every 5 weeks against CMC Swift's every 4 months. D also leads on iOS requirement (13.0 vs 15.0). 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.

D ships an update every 5 weeks, CMC Swift every 4 months. The most recent releases landed on May 16, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | D | 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 | **Every 5 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 34 MB | 127 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PTT ICT Solutions Company Limited](https://appshunter.io/developer/459684765) | [OMICRON electronics GmbH](https://appshunter.io/developer/1233298257) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-time/id1478384600)

**Features:** macOS Compatibility

**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 D free?

D 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 D or CMC Swift have ads?

Neither D nor CMC Swift shows ads.

### Which is updated more often, D or CMC Swift?

D ships an update every 5 weeks, and CMC Swift every 4 months. Most recently, D was updated on May 16, 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.*