# uCertifyPrep Linux Essentials vs CompTIA Linux+ XK0

The clearest difference is rating: CompTIA Linux+ XK0 at 4.0 against uCertifyPrep Linux Essentials's 1.0. uCertifyPrep Linux Essentials's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads 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 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CompTIA Linux+ XK0 holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

uCertifyPrep Linux Essentials ships an update every 9 months, CompTIA Linux+ XK0 every 7 months. The most recent releases landed on June 4, 2026 and September 19, 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) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/comptia-linux-plus-xk0-006-prep/id6472489989/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 121 MB | 53 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [uCertify LLC](https://appshunter.io/developer/1130631061) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## 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-prep/id6472489989)

Prepare for the CompTIA Linux+ certification exam with practice questions, realistic simulations, and detailed explanations. Tailor your study with focused plans and track your progress to achieve success.

**Highlights:** Expertly crafted practice questions, Realistic exam simulations, Detailed answer explanations, Focused and flexible study plans, Progress tracking and analytics, Regular content updates, Interactive learning tools

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Linux+ Weekly Subscription | $8.99 | per 7 days |
| Linux+ Monthly Full Access | $24.99 | per month |
| Linux+ Monthly Subscription | $24.99 | per month |
| Linux Quarterly Full Access | $55.99 | per 3 months |
| Linux Quarterly Full Access | $55.99 | per 3 months |
| Linux Semiannual Full Access | $75.99 | per 6 months |
| Linux Semiannual Full Access | $79.99 | per 6 months |
| Linux Annual Full Access | $109.99 | per year |
| Linux Annual Full Access | $119.99 | per year |


## 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.

### Which has better reviews, uCertifyPrep Linux Essentials or CompTIA Linux+ XK0?

CompTIA Linux+ XK0 is rated higher. uCertifyPrep Linux Essentials averages 1.0 out of 5 from 1 ratings, while CompTIA Linux+ XK0 averages 4.0 from 2 ratings.

### 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 7 months. Most recently, uCertifyPrep Linux Essentials was updated on June 4, 2026 and CompTIA Linux+ XK0 on September 19, 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.*