# Locked In: Prep for Net+ — N10-009 lessons and practice > Offline CompTIA Network+ N10-009 exam preparation and study tool. (iPhone/iPad app by OMAR DANIEL GRAZIANO.) - Source: https://appshunter.io/ios/app/locked-in-prep-for-net-plus/id6770588778 (this page in markdown: same URL + `.md`) - Developer: [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) - Category: Education, Reference - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 5 MB - Languages: American English - Released: 2026-05-24 - Data updated: 2026-09-01 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/locked-in-prep-for-net-plus/id6770588778/reviews.md ## What is Locked In? Locked-In is an independent study companion for the Network+ N10-009 exam. It is designed for short, focused study sessions and works without an account, ads, analytics, or third-party tracking. STUDY CONTENT • 76 lessons across all five N10-009 domains • 76 inline quick checks, one at the end of every lesson • Visual explanations for selected concepts including OSI, subnetting, VLANs, routing, DNS, DHCP, wireless, security, and troubleshooting • 102 flashcards with spaced review • A searchable glossary with 89 terms • Search, progress tracking, study streaks, bookmarks, and personal notes PRACTICE • 106 original multiple-choice questions organized by domain • 16 tap-driven PBQ-style activities for categorizing, ordering, and matching • A 90-question, 90-minute timed practice mode with checkpointing, flag-for-review, a navigation grid, and results review • A weak-spot review queue that reschedules missed questions and flashcards The timed practice and PBQ-style activities are original app content. They are not official CompTIA questions, a reproduced exam blueprint, or an exam simulation. The app uses an 80% practice target; this is not a CompTIA scaled score or a claim about the passing standard. FREE TO TRY The free tier includes 14 complete lessons, quizzes of up to 10 questions, 27 Domain 1 flashcards, two PBQ-style preview activities, the complete 89-term glossary, and on-device progress tools. ONE-TIME FULL UNLOCK The non-consumable Locked-In Full Unlock opens all 76 lessons, larger quizzes using the full 106-question bank, all 16 PBQ-style activities, all 102 flashcards, and the 90-question timed practice mode. There is no subscription. Family Sharing is enabled for the purchase. OFFLINE AND PRIVATE Lessons, questions, activities, flashcards, glossary content, notes, and progress are bundled and stored on-device. Product loading, buying, and restoring use Apple's App Store services and require a network connection. DISCLAIMER Not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA® and Network+® are registered trademarks of CompTIA, Inc. Locked-In is an independent study aid. Always verify current exam policies and objectives with CompTIA. ## Key features - Offline study companion - Lessons across all study domains - Visual explanations of key concepts - Original practice multiple-choice questions - Interactive PBQ-style activities - Flashcards with spaced repetition - Progress tracking and study streaks ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock All Lessons & Mock Exam. | $9.99 | one-time | ## Frequently asked questions about Locked In ### Does Locked In have ads? No, Locked In is ad-free and does not contain advertisements or third-party tracking. ### What is the cost of Locked In? Locked In is free to download and use. A single, one-time purchase is available to unlock the complete study library. ### Can I use Locked In offline? Yes, Locked In is designed to work completely offline, making it convenient for studying anywhere without an internet connection. ### What CompTIA exam does Locked In prepare you for? Locked In is specifically designed as a study companion for the CompTIA Network+ N10-009 exam. ### Does Locked In offer official CompTIA exam questions? No, Locked In contains original study material and practice questions. It is not affiliated with, endorsed by, or sponsored by CompTIA, and its practice questions are not official exam questions. ### How does Locked In help track my progress? Locked In provides progress tracking, study streaks, bookmarks, personal notes, and a weak-spot review feature to help you monitor your learning and focus on areas that need more attention. ### What devices is Locked In available on? Locked In is available on iPhones and iPads. ### How often is Locked In updated? The latest version of Locked In was released on August 3, 2026, indicating regular updates to ensure content relevance and app performance. ## Version history (last 5 releases) ### 2.3 — 2026-08-26 Practice questions have been rewritten so the answer can no longer be spotted from its shape. Every option in a set now follows the same pattern and a similar length, so the right answer has to be recognised rather than guessed. Question wording and explanations were reviewed alongside it. ### 2.2 — 2026-08-15 Squashed bugs. Enjoy! ### 2.1 — 2026-08-11 Version 2.1 is a reliability, accessibility, and study-content update: • Corrected the lesson map to match the five current N10-009 domains and objective numbering. • Expanded coverage for cloud networking, modern network environments, wireless configuration, operations, security, and troubleshooting tools. • Improved Full Unlock purchasing, entitlement refresh, and Restore Purchases behavior. • Made timed practice checkpointing, timer expiry, submission, and results recording more reliable. • Fixed duplicate attempt and study-credit paths, stale review items, spaced-review scheduling, streak calculations, bookmarks, notes, and progress totals. • Improved VoiceOver and Voice Control labels, Larger Text layouts, contrast, dark appearance, non-color feedback, and Reduce Motion behavior. ### 2.0 — 2026-08-03 • Clarified that timed practice and PBQ-style activities are independent knowledge review, not official CompTIA content, an exam simulation, or a readiness predictor. • Improved purchase, restore, and entitlement-state handling. • Improved progress persistence, study planning, and flashcard review behavior. • Corrected and clarified study content. • Fixed reliability and interaction issues across core study screens. ### 1.0.1 — 2026-06-01 Bug fixes and performance improvements. ## More apps by OMAR DANIEL GRAZIANO - [Cycle Cipher](https://appshunter.io/ios/app/cycle-cipher/id6767546105) - [CivBites](https://appshunter.io/ios/app/civbites/id6767999584) - [Decanon](https://appshunter.io/ios/app/decanon/id6768711973) - [Tanksmith](https://appshunter.io/ios/app/tanksmith/id6769517856) - [Roomprint](https://appshunter.io/ios/app/roomprint/id6769752243) - [Liminal: Learn Philosophy](https://appshunter.io/ios/app/liminal-learn-philosophy/id6770075835) All apps by OMAR DANIEL GRAZIANO: https://appshunter.io/developer/1896485759 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*