# CPA AUD Exam Expert vs ISSEP Security Engineer Prep

The clearest difference is in-app purchases: ISSEP Security Engineer Prep at none against CPA AUD Exam Expert's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CPA AUD Exam Expert sells 3 in-app purchases, starting at $4.99 per month. ISSEP Security Engineer Prep asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CPA AUD Exam Expert | ISSEP Security Engineer Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cpa-aud-exam-expert/id1533360781/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 27 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Guang Tian Info Co., Ltd.](https://appshunter.io/developer/1181824150) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### CPA AUD Exam Expert

[App page](https://appshunter.io/ios/app/cpa-aud-exam-expert/id1533360781)

Prepare for your CPA Auditing exam with thousands of real questions and detailed explanations. Utilize advanced learning technology for offline study and experience a realistic exam simulator. Track your progress and focus on weaker areas with expert analysis.

**Highlights:** Thousands of real exam questions, Advanced Smart Learning Technology, Offline study capability, Exam simulator with realistic environment, Detailed answer explanations, Expert performance analysis, Quiz and Practice modes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY | $4.99 | per month |
| 3 MONTHS | $9.99 | per 3 months |
| YEARLY | $19.99 | per year |


### 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


## Frequently asked questions

### Is CPA AUD Exam Expert free?

CPA AUD Exam Expert is free to download, with in-app purchases available.

### Is ISSEP Security Engineer Prep free?

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

### Do CPA AUD Exam Expert or ISSEP Security Engineer Prep have ads?

Neither CPA AUD Exam Expert nor ISSEP Security Engineer Prep shows ads.

### Which is updated more often, CPA AUD Exam Expert or ISSEP Security Engineer Prep?

CPA AUD Exam Expert ships an update every 3 months, and ISSEP Security Engineer Prep every 3 months. Most recently, CPA AUD Exam Expert was updated on November 3, 2026 and ISSEP Security Engineer Prep on November 5, 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.*