# CompTIA Linux+ XK0 vs Learn Red Hat RHCSA Test

The clearest difference is update cadence: Learn Red Hat RHCSA Test at every 3 months against CompTIA Linux+ XK0's every 10 months. CompTIA Linux+ XK0's advantage is iOS requirement (10.0 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CompTIA Linux+ XK0 sells 1 one-off in-app purchase and Learn Red Hat RHCSA Test sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

CompTIA Linux+ XK0 ships an update every 10 months, Learn Red Hat RHCSA Test every 3 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CompTIA Linux+ XK0 | Learn Red Hat RHCSA Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 25 MB | 9 MB |
| Requires iOS | **10.0** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trieu Tran](https://appshunter.io/developer/1668827865) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### 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 |


### Learn Red Hat RHCSA Test

[App page](https://appshunter.io/ios/app/learn-red-hat-rhcsa-test/id6740630564)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $11.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is CompTIA Linux+ XK0 free?

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

### Is Learn Red Hat RHCSA Test free?

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

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

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

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

CompTIA Linux+ XK0 ships an update every 10 months, and Learn Red Hat RHCSA Test every 3 months. Most recently, CompTIA Linux+ XK0 was updated on October 8, 2026 and Learn Red Hat RHCSA Test on October 16, 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.*