# ISC2 Official Exam Prep vs GCP

The clearest difference is in-app purchases: GCP at none against ISC2 Official Exam Prep's 5. ISC2 Official Exam Prep's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ISC2 Official Exam Prep sells 5 in-app purchases, starting at $5.99 per 7 days. GCP asks for nothing beyond the download.

ISC2 Official Exam Prep ships an update every 3 weeks, GCP every 3 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ISC2 Official Exam Prep | GCP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (441 ratings)](https://appshunter.io/ios/app/isc2-official-exam-prep/id1555533017/reviews)** | — |
| Number of ratings | **441** | — |
| Positive reviews | 69.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 30 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [learnZapp](https://appshunter.io/developer/435622455) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### ISC2 Official Exam Prep

[App page](https://appshunter.io/ios/app/isc2-official-exam-prep/id1555533017)

Prepare for CISSP, CCSP, and SSCP certification exams with official study materials. Access thousands of questions, flashcards, and glossary terms. Track your progress and build custom practice tests to identify and improve weak areas.

**Highlights:** Thousands of exam-specific questions, Detailed explanations, Flashcards and glossary, Readiness score, Custom test builder, Progress tracker, Mock exams

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access - 1 Week | $5.99 | per 7 days |
| All Access - 1 Month | $19.99 | per month |
| All Access - 3 Months | $49.99 | per 3 months |
| All Access - 6 Months | $79.99 | per 6 months |
| All Access - 1 Year | $99.99 | per year |


### GCP

[App page](https://appshunter.io/ios/app/gcp-pse-secops-engineer-prep/id6757182841)

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

**In-app purchases:** none


## Frequently asked questions

### Is ISC2 Official Exam Prep free?

ISC2 Official Exam Prep is free to download, with in-app purchases available.

### Is GCP free?

GCP is free to download, with no in-app purchases.

### Do ISC2 Official Exam Prep or GCP have ads?

Neither ISC2 Official Exam Prep nor GCP shows ads.

### Which is updated more often, ISC2 Official Exam Prep or GCP?

ISC2 Official Exam Prep ships an update every 3 weeks, and GCP every 3 months. Most recently, ISC2 Official Exam Prep was updated on October 25, 2026 and GCP on October 14, 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.*