Locked In is a bite-sized study companion for the CompTIA A+ certification, covering both Core 1 (220-1201) and Core 2 (220-1202). It suits people who study in 10-minute windows on the train or at lunch: every lesson is short and ends with a quick check so you know what stuck.
The app follows the current V15 exams (220-1201 and 220-1202), which CompTIA launched on March 25, 2025. CompTIA lists the retirement as usually three years after launch, estimated 2028.
WHAT'S INSIDE
• Both A+ exams covered: Core 1 (220-1201) and Core 2 (220-1202)
• All 9 domains: Mobile Devices, Networking, Hardware, Virtualization & Cloud, Hardware/Network Troubleshooting, Operating Systems, Security, Software Troubleshooting, and Operational Procedures
• Visual diagrams for the concepts that need one (OSI model, RAID levels, laser imaging process, hypervisor types, defense in depth, and more)
• A quick check at the end of each of the 162 lessons
• Practice bank of 145 multiple-choice questions, organized by domain and written separately from the lesson quick checks
• 16 performance-based practice activities (PBQs): tap to categorize, order, and match
• A 90-question mixed Core 1 + Core 2 timed practice mode with flag-for-review and a final review screen (a study tool, not a simulation of either separate exam)
• Flashcard deck of 82 must-know terms with spaced repetition
• Searchable glossary of 75 key terms and acronyms (45 free; the 30 that repeat a paid flashcard open with the unlock)
• Progress tracking, streaks, bookmarks, and personal notes
• Spaced review that brings back the questions and cards you keep missing
WHAT'S FREE, WHAT'S PAID
Free to download and study, with no account and no time limit:
• 14 of the 162 lessons: the six lessons of Core 1 Domain 1's first topic, plus the first lesson of every domain
• Quizzes of up to 10 questions per session, drawn from the whole 145-question bank
• A 2-activity PBQ preview
• The Core 1 Domain 1 flashcards
• 45 of the 75 glossary terms
• Progress tracking, streaks, bookmarks, and notes
One non-consumable in-app purchase (Locked In! A+ Unlock, no subscription) adds:
• The remaining 148 lessons, for all 162 across 56 topics and both cores
• Quiz sessions of 15, 25 and 50 questions (25 and 50 mix all domains; no single domain holds that many)
• All 16 performance-based practice activities
• All 82 flashcards, plus the 30 glossary definitions that repeat a paid card
• The full 90-question, 90-minute cross-core timed practice mode
WHO IT'S FOR
• Career changers entering IT support and help-desk roles
• Students supplementing a course or boot camp
• Professionals refreshing before a recertification window
• Anyone who learns better in short, focused sessions than long lectures
WHY LOCKED IN
• Bundled lessons and practice work offline with no account, tracking or ads. App Store product loading, buying, and restoring need a network connection.
• One-time unlock, no subscription
• Written and supported by one independent developer
PRIVACY
Locked In stores your progress on-device. No analytics, no third-party SDKs, no data sold or shared.
DISCLAIMER
Not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA® and A+® are registered trademarks of CompTIA, Inc.
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