CISSP Exam Certification Prep vs Locked In
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CISSP Exam Certification Prep
Prepare for your CISSP certification exam with a personalized study plan and over 700 practice questions. Track your progress, identify strengths and weaknesses, and compare your scores to the community average to boost your confidence and pass the exam.
- Personalized study plan
- 700+ practice questions
- Topic-based learning
- Strength and weakness tracking
- Detailed test statistics
- Community score comparison
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Pass your CISSP exam with flying colors! Boost your confidence in passing the first time with our mobile app and a personal study plan based on your current skill and requirements. Earning the CISSP proves you have what it takes to effectively design, implement and manage a best-in-class cybersecurity program. With a CISSP, you validate your expertise and become an (ISC)² member, unlocking a broad array of exclusive resources, educational tools, and peer-to-peer networking opportunities. Key features: - Choose from different topics required to receive a certification - Practice with 700+ questions - Track your strengths and weaknesses within Stats section of the app - Study detailed statistics of every test you take - Compare your score to the community average for almost any type of exam - - - - Purchases, subscriptions and terms You need to buy a lifetime access or subscribe to get access to all features, courses and questions. The cost of the purchase is charged to your iTunes account. Subscriptions are auto-renewable and are billed at the rate and period selected depending on the subscription plan. Users’ accounts are charged for auto-renewal within 24 hours prior to the end of the current period. Subscriptions can be managed and auto-renewal can be turned off in Account Settings in iTunes after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of use: https://mastrapi.com/terms Privacy policy: https://mastrapi.com/policy
Locked In
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Locked-In is a focused study companion for the CompTIA SecurityX (CAS-005) exam. It is designed for experienced security practitioners who prefer concise lessons, quick checks, practice, and review tools that work fully offline. WHAT'S INCLUDED - Lessons organized across the four CAS-005 domains: Governance, Risk, and Compliance; Security Architecture; Security Engineering; and Security Operations - Advanced topics including Zero Trust, SASE, threat modeling, NIST CSF 2.0, post-quantum cryptography, DevSecOps, software supply-chain security, and incident response - Visual aids and inline quick checks - 100 unique multiple-choice practice questions with explanations - Separate PBQ-style categorization, ordering, and matching activities - A 90-question, 165-minute timed practice set with flagging, navigation, and final review - Flashcards with spaced repetition - A searchable glossary of advanced security terms and acronyms - Progress tracking, streaks, bookmarks, personal notes, weak-topic review, and an optional study plan FREE PREVIEW AND FULL UNLOCK A starter selection of lessons is available free, including an introductory topic and previews across the domains. A single non-consumable purchase unlocks the remaining included lessons and study modes. There is no subscription. IMPORTANT SCOPE NOTE Practice questions and PBQ-style activities are original study material, not official CompTIA exam items. The timed set is a study experience, not a representation or reproduction of the live exam. Verify the current objectives, format, and policies directly with CompTIA. PRIVACY Your study progress is stored on your device. The app requires no account, contains no advertising or third-party analytics, and does not sell or share personal data. Locked-In is not affiliated with, endorsed by, or sponsored by CompTIA, Inc. CompTIA® and SecurityX® are trademarks of CompTIA, Inc. Locked-In is an independent study aid and does not guarantee exam results.
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Verdict
The clearest difference is update cadence: Locked In at every 2 weeks against CISSP Exam Certification Prep's every 4 months. CISSP Exam Certification Prep's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CISSP Exam Certification Prep sells 2 in-app purchases, starting at $24.99 per month and Locked In sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
CISSP Exam Certification Prep ships an update every 4 months, Locked In every 2 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.
| Parameter | CISSP Exam Certification Prep | Locked In |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (177 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 177 — better | — |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | MastrAPI | OMAR DANIEL GRAZIANO |
In-app purchases
CISSP Exam Certification Prep
- Monthly with Trial7 Days trial$24.991 Month
- Lifetime$99.99
Locked In
- SecurityX Full Unlock$14.99
Questions
Is CISSP Exam Certification Prep free?
Is Locked In free?
Do CISSP Exam Certification Prep or Locked In have ads?
Which is updated more often, CISSP Exam Certification Prep or Locked In?
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