# UMNION® vs SekoBlue

The clearest difference is update cadence: SekoBlue at every 2 months against UMNION®'s every 4 months. UMNION®'s advantage is iOS requirement (11.1 vs 15.6). 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.

UMNION® ships an update every 4 months, SekoBlue every 2 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | UMNION® | SekoBlue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 35 MB | 77 MB |
| Requires iOS | **11.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UMNION GmbH](https://appshunter.io/developer/560545516) | [Seko Spa](https://appshunter.io/developer/1445715729) |

## What reviewers say

### UMNION®

[App page](https://appshunter.io/ios/app/umnion/id1483023461)

**Features:** macOS Compatibility

**In-app purchases:** none


### SekoBlue

[App page](https://appshunter.io/ios/app/sekoblue/id6446195846)

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

**In-app purchases:** none


## Frequently asked questions

### Is UMNION® free?

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

### Is SekoBlue free?

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

### Do UMNION® or SekoBlue have ads?

Neither UMNION® nor SekoBlue shows ads.

### Which is updated more often, UMNION® or SekoBlue?

UMNION® ships an update every 4 months, and SekoBlue every 2 months. Most recently, UMNION® was updated on October 16, 2026 and SekoBlue on October 17, 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.*