# CompTIA Linux+ XK0 vs Locked In

The clearest difference is update cadence: Locked In at every 2 weeks against CompTIA Linux+ XK0's every 10 months. CompTIA Linux+ XK0's advantage is iOS requirement (10.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CompTIA Linux+ XK0 sells 1 one-off in-app purchase and Locked In sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CompTIA Linux+ XK0 ships an update every 10 months, Locked In every 2 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | CompTIA Linux+ XK0 | Locked In |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/locked-in-prep-for-linux-plus/id6771484770/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 25 MB | 5 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trieu Tran](https://appshunter.io/developer/1668827865) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### 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 |


### Locked In

[App page](https://appshunter.io/ios/app/locked-in-prep-for-linux-plus/id6771484770)

Prepare for the CompTIA Linux+ XK0-006 exam with this offline study companion. It offers concise lessons, practice questions, flashcards, and mock exams covering all exam domains. Track your progress and review weak topics to ensure readiness.

**Highlights:** Concise lessons by exam domain, Practice questions with explanations, Timed mock exams, Command-focused flashcards, Searchable glossary, Progress tracking and study plan

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Linux+ Full Unlock | $9.99 | one-time |


## Frequently asked questions

### Is CompTIA Linux+ XK0 free?

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

### Is Locked In free?

Locked In is free to download, with in-app purchases available.

### Do CompTIA Linux+ XK0 or Locked In have ads?

Neither CompTIA Linux+ XK0 nor Locked In shows ads.

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

CompTIA Linux+ XK0 ships an update every 10 months, and Locked In every 2 weeks. Most recently, CompTIA Linux+ XK0 was updated on October 8, 2026 and Locked In on October 13, 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.*