# UMLink vs zComms

The clearest difference is review sentiment: UMLink at 100% against zComms's 33%. UMLink also leads on iOS requirement (9.3 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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 monthly. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | UMLink | zComms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/umlink/id1321730743/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 7 MB | 178 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Microlinks Technology Co,.Ltd](https://appshunter.io/developer/716442380) | [Ness Corporation Pty Limited](https://appshunter.io/developer/423320418) |

## What reviewers say

### UMLink

[App page](https://appshunter.io/ios/app/umlink/id1321730743)

View and record live microscope feeds from M-JPEG compatible devices. Capture snapshots, freeze images, and utilize measurement tools for detailed analysis.

**Highlights:** M-JPEG microscope support, Real-time preview, Snapshot capture, Video recording, Image freeze, Measurement functions

**Features:** macOS Compatibility

**In-app purchases:** none


### zComms

[App page](https://appshunter.io/ios/app/zcomms/id1451025309)

Transform your Ness security panel into a smart home hub. This application enables Z-Wave device control and push notifications through your mobile device via a Ness Z-Wave Gateway.

**Highlights:** Z-Wave device control, Smart home integration, Push notifications, Rule engine for automation, Remote access via mobile

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

**In-app purchases:** none


## Frequently asked questions

### Is UMLink free?

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

### Is zComms free?

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

### Do UMLink or zComms have ads?

Neither UMLink nor zComms shows ads.

### Which is updated more often, UMLink or zComms?

UMLink ships an update monthly, and zComms monthly. Most recently, UMLink was updated on September 28, 2026 and zComms on September 23, 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.*