Locked In: Prep for CySA+

CS0-003 study companion

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

All 4 CS0-003 domains in bite-sized lessons, with quick-checks, flashcards, a searchable glossary, and a full timed mock exam — track every weak spot. Locked-In is a bite-sized study companion for the CompTIA Cybersecurity Analyst (CySA+) CS0-003 exam. Built for people who study in 10-minute windows on the train, on lunch, or between meetings — every lesson is short, focused, and ends with a quick-check so you know what stuck. WHAT'S INSIDE • All 4 CS0-003 exam domains, broken into bite-sized lessons • Visual diagrams for every key concept (SOC workflow, MITRE ATT&CK, Kill Chain, Diamond Model, CVSS, IR lifecycle, and more) • Inline quick-checks at the end of each lesson • 100+ practice questions, organized by domain and difficulty • Performance-based questions (PBQs) — drag-and-drop, matching, and ordering • A full 85-question, 165-minute timed mock exam with flag-for-review and a final review screen • Flashcard deck of must-know terms with spaced repetition (SM-2) • Searchable glossary covering every acronym you'll see on test day • Progress tracking, streaks, bookmarks, and personal notes • Weak-spot review that surfaces the topics you keep missing WHO IT'S FOR • SOC analysts and security pros preparing for CySA+ • Career changers studying CySA+ alongside a day job • 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 • Works fully offline — no account, no tracking, no ads • One-time unlock, no subscription • Built by an indie developer, not a content mill 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 CySA+® are registered trademarks of CompTIA, Inc.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Version 2.0 is a major refinement of Locked-In: • Improved layouts across iPhone and iPad • Clearer navigation and study-progress feedback • Refined lessons, quizzes, flashcards, and practice flows • Accessibility and readability improvements • Reliability and performance fixes throughout

Version 2.0

The developer, OMAR DANIEL GRAZIANO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • OMAR DANIEL GRAZIANO
    Size
    • 4.5 MB
    Category
    • Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    16+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Omar Graziano
  • Developer Website
  • Privacy Policy

    • More by OMAR DANIEL GRAZIANO

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