# uCertifyPrep Red Hat RHCSA vs CompTIA Linux+ XK0

The clearest difference is update cadence: uCertifyPrep Red Hat RHCSA at every 3 months against CompTIA Linux+ XK0's every 10 months. CompTIA Linux+ XK0's advantage is iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. uCertifyPrep Red Hat RHCSA sells 1 one-off in-app purchase and CompTIA Linux+ XK0 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

uCertifyPrep Red Hat RHCSA ships an update every 3 months, CompTIA Linux+ XK0 every 10 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | uCertifyPrep Red Hat RHCSA | CompTIA Linux+ XK0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/ucertifyprep-red-hat-rhcsa/id1612190503/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 25 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify.com](https://appshunter.io/developer/1130631061) | [Trieu Tran](https://appshunter.io/developer/1668827865) |

## What reviewers say

### uCertifyPrep Red Hat RHCSA

[App page](https://appshunter.io/ios/app/ucertifyprep-red-hat-rhcsa/id1612190503)

Prepare for the Red Hat RHCSA 8 certification with a comprehensive practice test. Simulate exam conditions, learn essential system administration skills, and study on the go. Features gamified learning and expert-designed questions.

**Highlights:** Full-length practice tests, Simulates real testing conditions, Covers exam objectives, Gamified learning with uCertify Play, Expert-designed questions, Study anywhere, anytime

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep Red Hat RHCSA | $49.99 | one-time |


### CompTIA Linux+ XK0

[App page](https://appshunter.io/ios/app/comptia-linux-plus-xk0-006-2026/id6447050794)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Premium Content | $7.99 | one-time |


## Frequently asked questions

### Is uCertifyPrep Red Hat RHCSA free?

uCertifyPrep Red Hat RHCSA is free to download, with in-app purchases available.

### Is CompTIA Linux+ XK0 free?

CompTIA Linux+ XK0 is free to download, with in-app purchases available.

### Do uCertifyPrep Red Hat RHCSA or CompTIA Linux+ XK0 have ads?

Neither uCertifyPrep Red Hat RHCSA nor CompTIA Linux+ XK0 shows ads.

### Which is updated more often, uCertifyPrep Red Hat RHCSA or CompTIA Linux+ XK0?

uCertifyPrep Red Hat RHCSA ships an update every 3 months, and CompTIA Linux+ XK0 every 10 months. Most recently, uCertifyPrep Red Hat RHCSA was updated on October 1, 2026 and CompTIA Linux+ XK0 on October 8, 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.*