# CISSP Test Prep 2026 | ISC² vs Quantum Exam prep

The clearest difference is rating: CISSP Test Prep 2026 | ISC² at 5.0 against Quantum Exam prep's 1.0. CISSP Test Prep 2026 | ISC² also leads on ratings volume (18 vs 1) and update cadence (every 3 weeks vs every 6 weeks). Quantum Exam prep's advantage is in-app purchases (none vs 7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CISSP Test Prep 2026 | ISC² sells 7 in-app purchases, starting at $9.99 per 7 days. Quantum Exam prep asks for nothing beyond the download.

CISSP Test Prep 2026 | ISC² holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: CISSP Test Prep 2026 | ISC² has 18 ratings behind it against 1, so its average is the more settled of the two.

CISSP Test Prep 2026 | ISC² ships an update every 3 weeks, Quantum Exam prep every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | CISSP Test Prep 2026 | ISC² | Quantum Exam prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (18 ratings)](https://appshunter.io/ios/app/cissp-test-prep-2026-isc/id6535682838/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/quantum-exam-prep/id6757176594/reviews) |
| Number of ratings | **18** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 47 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EZ Test Prep](https://appshunter.io/developer/1664527806) | [Amit savasaviya](https://appshunter.io/developer/1544017340) |

## 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 |


### Quantum Exam prep

[App page](https://appshunter.io/ios/app/quantum-exam-prep/id6757176594)

**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 Quantum Exam prep free?

Quantum Exam prep is free to download, with no in-app purchases.

### Which has better reviews, CISSP Test Prep 2026 | ISC² or Quantum Exam prep?

CISSP Test Prep 2026 | ISC² is rated higher. CISSP Test Prep 2026 | ISC² averages 5.0 out of 5 from 18 ratings, while Quantum Exam prep averages 1.0 from 1 ratings.

### Do CISSP Test Prep 2026 | ISC² or Quantum Exam prep have ads?

Neither CISSP Test Prep 2026 | ISC² nor Quantum Exam prep shows ads.

### Which is updated more often, CISSP Test Prep 2026 | ISC² or Quantum Exam prep?

CISSP Test Prep 2026 | ISC² ships an update every 3 weeks, and Quantum Exam prep every 6 weeks. Most recently, CISSP Test Prep 2026 | ISC² was updated on October 24, 2026 and Quantum Exam prep on October 24, 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.*