Locked In: Prep for CySA+
CS0-004 study companion
About
Prepare for the CySA+ CS0-004 certification exam with this comprehensive study companion. It offers lessons, flashcards, practice questions, and glossary terms, all designed for focused learning sessions. The app works offline and without ads, with a free tier and a one-time unlock for full access.
What's New in Locked In
2.5
November 8, 2026
- Refreshed screenshots to identify the exam and show lesson and practice views. - Added optional usage analytics with a choice in the app and a Settings control. Study content, searches, and personal notes are not included in usage events.
MoreSubscriptions & In-App Purchases
$14.99
Locked In! CySA+ Unlock
Unlock lessons, cards, PBQs & timed practice.
Developer apps
FAQ
What is Locked In?
Locked In is an independent study companion designed to help users prepare for the CompTIA CySA+ CS0-004 certification exam. It offers a variety of study materials and practice tools to aid in exam preparation.
Does Locked In have ads?
No, Locked In does not contain any advertisements. The app is designed to provide an ad-free study experience for users.
How much does Locked In cost?
Locked In is free to try, offering a limited selection of content. A one-time purchase unlocks all lessons, practice questions, flashcards, and the timed practice mode.
Can I use Locked In offline?
Yes, the bundled study content works offline. Your notes, searches, and progress are also saved on your device, allowing for flexible study sessions.
What content is included in the free version of Locked In?
The free tier of Locked In includes 16 complete lessons, a 10-question quiz sampler, 30 flashcards, two PBQ-style preview activities, and 98 glossary terms.
How often is Locked In updated?
The app was last updated on November 8, 2026, indicating regular maintenance and potential content additions. Specific update frequency is not detailed but suggests ongoing support.
What devices does Locked In support?
Locked In is available for iPhone and iPad devices. It is designed to provide a seamless study experience across these Apple platforms.
Does Locked In offer certifications?
Locked In is a study aid for the CySA+ CS0-004 certification exam, but it does not issue certifications itself. It helps users prepare to take the official CompTIA exam.
