# Linux Certification vs UniX

The clearest difference is price: UniX at Free against Linux Certification's $9.99. UniX also leads on update cadence (weekly vs every 13 months). Linux Certification's advantage is iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

UniX is free to download; Linux Certification costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Linux Certification ships an update every 13 months, UniX weekly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Linux Certification | UniX |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Size | 49 MB | 100 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) | [BARDOS IT SOLUTIONS LTD](https://appshunter.io/developer/1791562375) |

## What reviewers say

### Linux Certification

[App page](https://appshunter.io/ios/app/linux-certification/id6464318330)

**Features:** macOS Compatibility

**In-app purchases:** none


### UniX

[App page](https://appshunter.io/ios/app/unix-university-x/id6740775299)

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

**In-app purchases:** none


## Frequently asked questions

### Is Linux Certification free?

Linux Certification costs $9.99, with no in-app purchases.

### Is UniX free?

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

### Do Linux Certification or UniX have ads?

Neither Linux Certification nor UniX shows ads.

### Which is updated more often, Linux Certification or UniX?

Linux Certification ships an update every 13 months, and UniX weekly. Most recently, Linux Certification was updated on October 13, 2026 and UniX on October 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.*