# LinuxCmdQ&A vs uCertifyPrep Linux Essentials

The clearest difference is rating: LinuxCmdQ&A at 3.0 against uCertifyPrep Linux Essentials's 1.0. LinuxCmdQ&A also leads on in-app purchases (none vs 1) and iOS requirement (12.1 vs 14.0). uCertifyPrep Linux Essentials's advantage is ads (none vs shown) and update cadence (every 9 months vs every 44 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. uCertifyPrep Linux Essentials sells 1 one-off in-app purchase. LinuxCmdQ&A asks for nothing beyond the download.

LinuxCmdQ&A holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

LinuxCmdQ&A ships an update every 44 months, uCertifyPrep Linux Essentials every 9 months. The most recent releases landed on September 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LinuxCmdQ&A | uCertifyPrep Linux Essentials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/linuxcmdq-and-a/id1453705062/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ucertifyprep-linux-essentials/id1665509265/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 44 months | **Every 9 months** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 121 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [satoshi goto](https://appshunter.io/developer/1452605561) | [uCertify.com](https://appshunter.io/developer/1130631061) |

## What reviewers say

### LinuxCmdQ&A

[App page](https://appshunter.io/ios/app/linuxcmdq-and-a/id1453705062)

Prepare for Linux command-line interviews and exams with this interactive Q&A tool. It helps you test and improve your knowledge of essential commands.

**Highlights:** Interview preparation, Exam practice, Skill checking, Knowledge improvement, Command-line Q&A

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is LinuxCmdQ&A free?

LinuxCmdQ&A is free to download, with no in-app purchases.

### Is uCertifyPrep Linux Essentials free?

uCertifyPrep Linux Essentials is free to download, with in-app purchases available.

### Which has better reviews, LinuxCmdQ&A or uCertifyPrep Linux Essentials?

LinuxCmdQ&A is rated higher. LinuxCmdQ&A averages 3.0 out of 5 from 1 ratings, while uCertifyPrep Linux Essentials averages 1.0 from 1 ratings.

### Do LinuxCmdQ&A or uCertifyPrep Linux Essentials have ads?

LinuxCmdQ&A shows ads; uCertifyPrep Linux Essentials does not.

### Which is updated more often, LinuxCmdQ&A or uCertifyPrep Linux Essentials?

LinuxCmdQ&A ships an update every 44 months, and uCertifyPrep Linux Essentials every 9 months. Most recently, LinuxCmdQ&A was updated on September 15, 2026 and uCertifyPrep Linux Essentials on October 1, 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.*