# uCertifyPrep Linux Essentials vs CompTIA Linux+ XK0

The clearest difference is iOS requirement: CompTIA Linux+ XK0 at 10.0 against uCertifyPrep Linux Essentials's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. uCertifyPrep Linux Essentials 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 Linux Essentials ships an update every 9 months, CompTIA Linux+ XK0 every 10 months. The most recent releases landed on October 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | uCertifyPrep Linux Essentials | CompTIA Linux+ XK0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ucertifyprep-linux-essentials/id1665509265/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | Free | — |
| 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 Linux Essentials

[App page](https://appshunter.io/ios/app/ucertifyprep-linux-essentials/id1665509265)

Prepare for Linux Essentials certification with a full-length practice test designed to simulate real exam conditions. Develop IT principles and gain essential skills for operating systems and common Linux programs. Study anywhere, anytime with this efficient preparation tool.

**Highlights:** Simulates real exam conditions, Covers IT principles and LPI technology, Develops skills for OS selection and Linux programs, Includes 50+ item types, Offers formative feedback and reinforcement, Gamified learning with uCertify Play

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep Linux Essentials | $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 Linux Essentials free?

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

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

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

uCertifyPrep Linux Essentials ships an update every 9 months, and CompTIA Linux+ XK0 every 10 months. Most recently, uCertifyPrep Linux Essentials was updated on October 1, 2026 and CompTIA Linux+ XK0 on September 21, 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.*