Comparison

Locked In vs Linux+ Prep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Locked In

Prepare for the CompTIA Linux+ XK0-006 exam with this comprehensive study companion. It offers concise lessons, practice questions, flashcards, and mock exams, all designed for offline use. Track your progress and focus on weak areas to ensure readiness.

Highlights
  • 60 concise lessons covering XK0-006 domains
  • 29 objectives with dedicated study material
  • 459 multiple-choice practice questions with explanations
  • 16 PBQ-style activities
  • 90-question timed mock exam
  • 131 command-focused flashcards
  • Offline functionality
Features
Read full description

Locked In! Linux+ is a study companion for the CompTIA Linux+ XK0-006 exam. It is built for short sessions, with concise lessons, quick checks, practice and review tools that work offline. WHAT'S INCLUDED - 60 lessons across all five XK0-006 domains: System Management (23%), Services and User Management (20%), Security (18%), Automation, Orchestration and Scripting (17%), and Troubleshooting (22%) - One topic per published objective, all 29 of them, so you can study against the blueprint - The material new to XK0-006: virtualization with KVM and QEMU as its own objective, Python basics and the responsible use of AI, alongside containers with Docker and Podman and version control with Git - Visual aids for the boot process, the filesystem hierarchy, permissions, systemd, LVM, RAID, networking, SELinux, containers and the virtualization stack - A quick check at the end of every lesson - 459 multiple-choice practice questions with explanations, at least 10 for each of the 29 objectives - 16 PBQ-style categorization, ordering and matching activities - A 90-question, 90-minute timed mock exam drawn by the published domain weights, with flagging, navigation and a final review screen - 131 command-focused flashcards with spaced repetition - A free glossary of 159 entries: every acronym on CompTIA's XK0-006 acronym list plus key terms, each with a one-line definition - Progress by domain, quiz history, study streaks, bookmarks, personal notes, weak-topic review and an optional study plan FREE PREVIEW AND FULL UNLOCK Nine lessons are free: all of topic 1.1, the first lessons of topics 1.2 and 1.3, and the opening lesson of every other domain. So are 10 practice questions, 30 flashcards, 2 PBQ-style activities and the whole glossary. A single one-time purchase unlocks the remaining lessons, the full question bank, every flashcard and activity, and the timed mock exam. There is no subscription and no account. ABOUT THE EXAM XK0-006 launched on July 15, 2025, and CompTIA estimates it will retire in 2028. Practice questions and PBQ-style activities are original study material, not CompTIA exam items. The timed set is a study exercise, not a reproduction of the live exam. Check the current objectives, format and policies with CompTIA. PRIVACY Bundled study content works offline. Notes, searches, and progress stay on your device. Optional Google Analytics measures broad app activity only after you opt in; change your choice in Settings. No account or ads. App Store purchases and restores need internet. See the privacy policy for analytics data details. Locked In! Linux+ is not affiliated with, endorsed by, or sponsored by CompTIA, Inc. CompTIA and Linux+ are trademarks of CompTIA, Inc. Linux is a registered trademark of Linus Torvalds. Locked In! Linux+ is an independent study aid and does not guarantee exam results.

About

Linux+ Prep

Features
Read full description

Prep for CompTIA Linux+ XK0-006 (V8) with an offline-first practice app built for real sysadmin work—commands, services, security, automation, and troubleshooting. PURCHASE REQUIRED This app uses a hard paywall. After a short onboarding, full study access requires an auto-renewable subscription ($9.99/month or $49.99/year with an optional 3-day free trial on yearly) OR a one-time Lifetime unlock ($99.99). There is no free question tier. WHAT YOU UNLOCK • 2,500+ original practice questions mapped to XK0-006 domains • Timed full-length mock exams (90 questions / 90 minutes) • Quick practice (10 / 25 / 50), practice by domain, review incorrect & bookmarked • Detailed rationales, flashcards, acronyms, spaced review • Progress dashboard: readiness %, domain mastery, streaks, mock history • Exam Info (format, timing, domains) STUDY ANYWHERE All questions ship inside the app. No account required. Works offline. SUBSCRIPTIONS Payment is charged to your Apple ID at confirmation. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends. Manage or cancel in Settings → Apple ID → Subscriptions. Prices vary by storefront. Privacy Policy: https://appios432.blogspot.com/p/privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Linux+ Prep: XK0-006 is an independent study aid and is not affiliated with, authorized, endorsed by, or sponsored by CompTIA. CompTIA® and Linux+® are trademarks of CompTIA, Inc. All trademarks are the property of their respective owners. All practice questions are original and were written by our team based on publicly available exam objectives.

Screenshots

Locked In4 screens
Linux+ Prep4 screens

Verdict

The call

Locked In and Linux+ Prep are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Locked In sells 1 one-off in-app purchase and Linux+ Prep sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Locked In versus Linux+ Prep: the parameters behind the verdict, then further details
ParameterLocked InLinux+ Prep
PriceFreeFree
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size7 MB8 MB
Age rating4+4+
DeveloperOMAR DANIEL GRAZIANOMD Shahariar Nazim Joy

In-app purchases

1 purchases

Locked In

One-time1
  • Locked In! Linux+ Unlock$14.99
3 purchases

Linux+ Prep

Subscriptions2
  • Monthly$9.991 Month
  • Yearly3 Days trial$49.991 Year
One-time1
  • Lifetime Unlock$99.99

Questions

Is Locked In free?
Locked In is free to download, with in-app purchases available.
Is Linux+ Prep free?
Linux+ Prep is free to download, with in-app purchases available.
Do Locked In or Linux+ Prep have ads?
Neither Locked In nor Linux+ Prep shows ads.

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