# CISSP Exam Simulator vs CISSP Certification Prep

The clearest difference is device support: CISSP Exam Simulator at 3 against CISSP Certification Prep's 1. CISSP Exam Simulator also leads on iOS requirement (15.6 vs 17.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CISSP Exam Simulator sells 3 in-app purchases, starting at $9.99 per month and CISSP Certification Prep sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CISSP Exam Simulator ships an update every 3 months, CISSP Certification Prep every 2 months. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CISSP Exam Simulator | CISSP Certification Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 92 MB | 9 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Anh Nguyen](https://appshunter.io/developer/1851661845) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### CISSP Exam Simulator

[App page](https://appshunter.io/ios/app/cissp-exam-simulator/id6596749664)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Quarterly | $19.99 | per 3 months |
| Premium Yearly | $59.99 | per year |


### CISSP Certification Prep

[App page](https://appshunter.io/ios/app/cissp-certification-prep/id6738974087)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is CISSP Exam Simulator free?

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

### Is CISSP Certification Prep free?

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

### Do CISSP Exam Simulator or CISSP Certification Prep have ads?

Neither CISSP Exam Simulator nor CISSP Certification Prep shows ads.

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

CISSP Exam Simulator ships an update every 3 months, and CISSP Certification Prep every 2 months. Most recently, CISSP Exam Simulator was updated on September 7, 2026 and CISSP Certification Prep on September 21, 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.*