# uCertifyPrep CompTIA Linux+ vs CompTIA Linux+ XK0

The clearest difference is update cadence: uCertifyPrep CompTIA Linux+ at every 4 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 CompTIA Linux+ 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 CompTIA Linux+ ships an update every 4 months, CompTIA Linux+ XK0 every 10 months. The most recent releases landed on June 4, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | uCertifyPrep CompTIA Linux+ | CompTIA Linux+ XK0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Size | 121 MB | 25 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify LLC](https://appshunter.io/developer/1130631061) | [Trieu Tran](https://appshunter.io/developer/1668827865) |

## What reviewers say

### uCertifyPrep CompTIA Linux+

[App page](https://appshunter.io/ios/app/ucertifyprep-comptia-linux-plus/id1613324301)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep CompTIA Linux+ | $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 CompTIA Linux+ free?

uCertifyPrep CompTIA Linux+ 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 CompTIA Linux+ or CompTIA Linux+ XK0 have ads?

Neither uCertifyPrep CompTIA Linux+ nor CompTIA Linux+ XK0 shows ads.

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

uCertifyPrep CompTIA Linux+ ships an update every 4 months, and CompTIA Linux+ XK0 every 10 months. Most recently, uCertifyPrep CompTIA Linux+ was updated on June 4, 2026 and CompTIA Linux+ XK0 on August 24, 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.*