# CISSP Exam Simulator vs CISSP Prep

The clearest difference is update cadence: CISSP Prep at weekly against CISSP Exam Simulator's every 3 months. On price, ads, in-app purchases and device support 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 Prep sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CISSP Exam Simulator ships an update every 3 months, CISSP Prep weekly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CISSP Exam Simulator | CISSP Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 93 MB | 36 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Anh Nguyen](https://appshunter.io/developer/1851661845) | [SG APPs](https://appshunter.io/developer/1507658418) |

## 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 Prep

[App page](https://appshunter.io/ios/app/cissp-prep/id6740624648)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription CISSP Prep | $4.99 | per 7 days |
| 1 Month CISSP Prep Access | $7.99 | per month |
| 6Months CISSP Prep Access | $9.99 | per 6 months |


## Frequently asked questions

### Is CISSP Exam Simulator free?

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

### Is CISSP Prep free?

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

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

Neither CISSP Exam Simulator nor CISSP Prep shows ads.

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

CISSP Exam Simulator ships an update every 3 months, and CISSP Prep weekly. Most recently, CISSP Exam Simulator was updated on October 24, 2026 and CISSP Prep on October 9, 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.*