CompTIA Security Exam Prep is a free iPhone app offered by Thanh Hung. This app is a comprehensive study guide for the CompTIA Security+ certification exam, which is vendor-neutral and validates the skills of IT professionals in risk identification and management, the application of physical and digital security controls, disaster recovery, and adherence to legal and regulatory rules. The app is designed to closely follow the actual CompTIA objectives for exam SY0-601 and includes complete revision questions, practice by topics, and mock tests to help users assess their knowledge.

One of the key features of this app is its objective focus design, which makes it easy to find the information required for each of the specified CompTIA Security+ objectives. Furthermore, the app randomizes questions and answers each time a practice test is restarted to keep users on their toes. Another notable feature is that the app does not require an internet connection or registration, making it easily accessible. However, the app does offer an ABC Elearning Pro subscription that includes full access to the specified course for the duration of the subscription period.

Overall, CompTIA Security Exam Prep is an excellent study resource for IT professionals preparing for the CompTIA Security+ certification exam.