# ISSEP Security Engineer Prep vs AAISM Exam Simulator PRO

The clearest difference is in-app purchases: ISSEP Security Engineer Prep at none against AAISM Exam Simulator PRO's 1. AAISM Exam Simulator PRO's advantage is update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AAISM Exam Simulator PRO sells 1 one-off in-app purchase. ISSEP Security Engineer Prep asks for nothing beyond the download.

ISSEP Security Engineer Prep ships an update every 3 months, AAISM Exam Simulator PRO weekly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ISSEP Security Engineer Prep | AAISM Exam Simulator PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 27 MB | 26 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Pierluigi Sartori](https://appshunter.io/developer/1894381849) |

## What reviewers say

### ISSEP Security Engineer Prep

[App page](https://appshunter.io/ios/app/issep-security-engineer-prep/id6759794872)

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

**In-app purchases:** none


### AAISM Exam Simulator PRO

[App page](https://appshunter.io/ios/app/aaism-exam-simulator-pro/id6763530490)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AAISM Simulator full access | $39.99 | one-time |


## Frequently asked questions

### Is ISSEP Security Engineer Prep free?

ISSEP Security Engineer Prep is free to download, with no in-app purchases.

### Is AAISM Exam Simulator PRO free?

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

### Do ISSEP Security Engineer Prep or AAISM Exam Simulator PRO have ads?

Neither ISSEP Security Engineer Prep nor AAISM Exam Simulator PRO shows ads.

### Which is updated more often, ISSEP Security Engineer Prep or AAISM Exam Simulator PRO?

ISSEP Security Engineer Prep ships an update every 3 months, and AAISM Exam Simulator PRO weekly. Most recently, ISSEP Security Engineer Prep was updated on October 7, 2026 and AAISM Exam Simulator PRO on October 2, 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.*