# CISSP Test Prep 2026 | ISC² vs CompTIA SecurityX CAS

The clearest difference is price: CISSP Test Prep 2026 | ISC² at Free against CompTIA SecurityX CAS's $4.99. CompTIA SecurityX CAS's advantage is in-app purchases (none vs 7). On ads, device support and iOS requirement there is nothing between them.

CISSP Test Prep 2026 | ISC² is free to download; CompTIA SecurityX CAS costs $4.99 up front. CISSP Test Prep 2026 | ISC² sells 7 in-app purchases, starting at $9.99 per 7 days. CompTIA SecurityX CAS asks for nothing beyond the download.

## The numbers

| Metric | CISSP Test Prep 2026 | ISC² | CompTIA SecurityX CAS |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (18 ratings)](https://appshunter.io/ios/app/cissp-test-prep-2026-isc/id6535682838/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EZ Test Prep](https://appshunter.io/developer/1664527806) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### CISSP Test Prep 2026 | ISC²

[App page](https://appshunter.io/ios/app/cissp-test-prep-2026-isc/id6535682838)

Prepare for the CISSP certification exam with adaptive questions and real-world explanations. This app covers all exam domains and offers personalized study goals, progress tracking, and a full exam simulator. Start with a free version and upgrade for full access.

**Highlights:** Adaptive learning questions, Personalized study goals, Instant feedback with explanations, Progress and achievement tracking, Full-length exam simulator, Covers all CISSP domains

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cram Time! CISSP 2025 | $9.99 | per 7 days |
| CISSP Exam Test Prep 2025 | $24.99 | per month |
| CISSP Exam Test Prep Intro | $24.99 | per month |
| CISSP Exam Prep Intro 2 | $24.99 | per month |
| CISSP Exam Test Prep 2025 | $64.99 | per 6 months |
| CISSP Exam Prep Intro | $64.99 | per 6 months |
| CISSP Exam Prep Intro 2 | $64.99 | per 6 months |


### CompTIA SecurityX CAS

[App page](https://appshunter.io/ios/app/comptia-securityx-cas-005/id6780164731)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CISSP Test Prep 2026 | ISC² free?

CISSP Test Prep 2026 | ISC² is free to download, with in-app purchases available.

### Is CompTIA SecurityX CAS free?

CompTIA SecurityX CAS costs $4.99, with no in-app purchases.

### Do CISSP Test Prep 2026 | ISC² or CompTIA SecurityX CAS have ads?

Neither CISSP Test Prep 2026 | ISC² nor CompTIA SecurityX CAS shows ads.

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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.*