Locked In: Prep for CySA+
CS0-004 study companion
About
This study companion breaks down cybersecurity exam material into short, focused lessons with quick checks. It includes practice questions, mock exams, flashcards, and a searchable glossary to aid learning. Progress tracking and offline functionality are also available.
What's New in Locked In
2.2
August 15, 2026
Squashed bugs. Enjoy!
In-App Purchases
$9.99
Locked-In CySA+ Full Unlock
Unlock all lessons, mock exam, and full content.
Developer apps
FAQ
What is Locked In?
Locked In is a study companion designed to help users prepare for the CompTIA Cybersecurity Analyst (CySA+) CS0-003 exam. It offers bite-sized lessons, practice questions, and mock exams to facilitate learning in short study sessions.
Does Locked In work offline?
Yes, Locked In works fully offline, meaning you do not need an internet connection to access its study materials. This makes it convenient for studying on the go without worrying about data usage.
How does Locked In track progress?
Locked In provides progress tracking, streaks, bookmarks, and personal notes to help users monitor their learning journey. It also features a weak-spot review that highlights topics you are struggling with.
What types of practice questions are included in Locked In?
Locked In includes over 100 practice questions organized by domain and difficulty, as well as performance-based questions (PBQs) such as drag-and-drop, matching, and ordering. It also offers a full timed mock exam.
Is Locked In suitable for beginners?
While designed for those preparing for the CySA+ exam, its bite-sized lesson format and visual aids can be beneficial for anyone looking to learn cybersecurity concepts in focused increments. It's ideal for those who prefer short study sessions over long lectures.
How often is Locked In updated?
The app was last updated on August 3, 2026, with version 2.0. While specific update frequency isn't detailed, this indicates ongoing development and support for the application.
What devices is Locked In available on?
Locked In is available on iPhone and iPad devices. The app is rated for ages 17+.
Does Locked In have ads?
No, Locked In is ad-free. The developer emphasizes that the app works fully offline and contains no advertisements, ensuring an uninterrupted study experience.