# LinuxCmdQ&A vs CompTIA Linux+ XK0

The clearest difference is in-app purchases: LinuxCmdQ&A at none against CompTIA Linux+ XK0's 1. CompTIA Linux+ XK0's advantage is ads (none vs shown) and update cadence (every 10 months vs every 44 months). On price and device support there is nothing between them.

Both are free to download. CompTIA Linux+ XK0 sells 1 one-off in-app purchase. LinuxCmdQ&A asks for nothing beyond the download.

LinuxCmdQ&A ships an update every 44 months, CompTIA Linux+ XK0 every 10 months. The most recent releases landed on September 15, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | LinuxCmdQ&A | CompTIA Linux+ XK0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/linuxcmdq-and-a/id1453705062/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 44 months | **Every 10 months** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 25 MB |
| Requires iOS | 12.1 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [satoshi goto](https://appshunter.io/developer/1452605561) | [Trieu Tran](https://appshunter.io/developer/1668827865) |

## 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


### 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 LinuxCmdQ&A free?

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

### Is CompTIA Linux+ XK0 free?

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

### Do LinuxCmdQ&A or CompTIA Linux+ XK0 have ads?

LinuxCmdQ&A shows ads; CompTIA Linux+ XK0 does not.

### Which is updated more often, LinuxCmdQ&A or CompTIA Linux+ XK0?

LinuxCmdQ&A ships an update every 44 months, and CompTIA Linux+ XK0 every 10 months. Most recently, LinuxCmdQ&A was updated on September 15, 2026 and CompTIA Linux+ XK0 on October 27, 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.*