# CMC Swift vs GridHUBB

CMC Swift and GridHUBB are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CMC Swift | GridHUBB |
| --- | --- | --- |
| 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 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 127 MB | 179 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OMICRON electronics GmbH](https://appshunter.io/developer/1233298257) | [Hubbell Inc](https://appshunter.io/developer/1263996930) |

## What reviewers say

### 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


### GridHUBB

[App page](https://appshunter.io/ios/app/gridhubb/id6499595556)

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

**In-app purchases:** none


## Frequently asked questions

### Is CMC Swift free?

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

### Is GridHUBB free?

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

### Do CMC Swift or GridHUBB have ads?

Neither CMC Swift nor GridHUBB shows ads.

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

CMC Swift ships an update every 4 months, and GridHUBB every 4 months. Most recently, CMC Swift was updated on October 7, 2026 and GridHUBB on October 13, 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.*