Locked In: Prep for Net+

N10-009 study companion

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

Study five N10-009 domains in bite-sized lessons, with diagrams for OSI, subnetting, VLANs, routing, and Wi-Fi, plus PBQ-style activities and timed knowledge practice. Locked-In is an offline knowledge companion for the CompTIA Network+ N10-009 exam. It is built for short, focused study sessions and pairs lessons with original practice so you can review concepts and identify weak areas. WHAT'S INCLUDED • Lessons across all five N10-009 study domains • Visual explanations for OSI, subnetting, VLANs, STP, OSPF, DHCP, DNS, NAT, wireless networking, PoE, and more • Inline quick-checks at the end of lessons • More than 90 original multiple-choice questions, organized by domain and difficulty • Interactive PBQ-style activities for categorizing, ordering, and matching; these are not official CompTIA questions or an exam simulation • A 90-question, 90-minute randomized multiple-choice knowledge-practice mode with flagging and final review; it is not an official blueprint-weighted mock exam or readiness predictor • Flashcards with spaced repetition and a searchable glossary • Progress tracking, study streaks, bookmarks, personal notes, and weak-spot review STUDY ON YOUR TERMS The app works offline, requires no account, and contains no ads or third-party tracking. A single optional, one-time purchase unlocks the complete study library. There is no subscription. IMPORTANT Exam objectives and policies can change. Always compare your study plan with CompTIA's latest published N10-009 objectives and use hands-on practice and current training materials alongside this app. DISCLAIMER Locked-In contains original independent study material, not real or copied exam questions. It is not affiliated with, endorsed by, or sponsored by CompTIA. CompTIA and Network+ are registered trademarks of CompTIA, Inc.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

• 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.

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
    9+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Omar Graziano
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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