# UMMI by Entropy vs NCX Client

The clearest difference is update cadence: NCX Client at every 3 months against UMMI by Entropy's every 21 months. UMMI by Entropy's advantage is iOS requirement (10.0 vs 16.6). 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.

UMMI by Entropy ships an update every 21 months, NCX Client every 3 months. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | UMMI by Entropy | NCX Client |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 months** |
| Size | 20 MB | 9 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ENTROPY CARE SYSTEMS SL](https://appshunter.io/developer/1466198299) | [Ericsson Enterprise Wireless Solutions, Inc.](https://appshunter.io/developer/1687263784) |

## What reviewers say

### UMMI by Entropy

[App page](https://appshunter.io/ios/app/ummi-by-entropy/id1466198300)

**Features:** macOS Compatibility

**In-app purchases:** none


### NCX Client

[App page](https://appshunter.io/ios/app/ncx-client/id6451453529)

**In-app purchases:** none


## Frequently asked questions

### Is UMMI by Entropy free?

UMMI by Entropy is free to download, with no in-app purchases.

### Is NCX Client free?

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

### Do UMMI by Entropy or NCX Client have ads?

Neither UMMI by Entropy nor NCX Client shows ads.

### Which is updated more often, UMMI by Entropy or NCX Client?

UMMI by Entropy ships an update every 21 months, and NCX Client every 3 months. Most recently, UMMI by Entropy was updated on October 18, 2026 and NCX Client on October 11, 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.*