# CISSP Exam Certification Prep vs Locked In

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.

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.

## The numbers

| Metric | CISSP Exam Certification Prep | Locked In |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (177 ratings)](https://appshunter.io/ios/app/cissp-exam-certification-prep/id1572742576/reviews)** | — |
| Number of ratings | **177** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [MastrAPI](https://appshunter.io/developer/1618627725) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### CISSP Exam Certification Prep

[App page](https://appshunter.io/ios/app/cissp-exam-certification-prep/id1572742576)

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.

**Highlights:** Personalized study plan, 700+ practice questions, Topic-based learning, Strength and weakness tracking, Detailed test statistics, Community score comparison

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly with Trial | $24.99 | per month |
| Lifetime | $99.99 | one-time |


### Locked In

[App page](https://appshunter.io/ios/app/locked-in-prep-for-securityx/id6770693421)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecurityX Full Unlock | $14.99 | one-time |


## Frequently asked questions

### Is CISSP Exam Certification Prep free?

CISSP Exam Certification Prep is free to download, with in-app purchases available.

### Is Locked In free?

Locked In is free to download, with in-app purchases available.

### Do CISSP Exam Certification Prep or Locked In have ads?

Neither CISSP Exam Certification Prep nor Locked In shows ads.

### Which is updated more often, CISSP Exam Certification Prep or Locked In?

CISSP Exam Certification Prep ships an update every 4 months, and Locked In every 2 weeks. Most recently, CISSP Exam Certification Prep was updated on October 14, 2026 and Locked In on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*