# CDPSE Data Privacy Test Prep vs ISC2 Exam Prep

The clearest difference is update cadence: ISC2 Exam Prep at every 2 months against CDPSE Data Privacy Test Prep's every 19 months. CDPSE Data Privacy Test Prep's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CDPSE Data Privacy Test Prep sells 9 in-app purchases, starting at $8.99 per 7 days and ISC2 Exam Prep sells 6 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDPSE Data Privacy Test Prep ships an update every 19 months, ISC2 Exam Prep every 2 months. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CDPSE Data Privacy Test Prep | ISC2 Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 2 months** |
| Size | 62 MB | 24 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### CDPSE Data Privacy Test Prep

[App page](https://appshunter.io/ios/app/cdpse-data-privacy-test-prep/id6742385668)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDPSE Weekly Full Access | $8.99 | per 7 days |
| CDPSE Monthly Full Access | $24.99 | per month |
| CDPSE Monthly Full Access | $34.99 | per month |
| CDPSE Quarterly Full Access | $55.99 | per 3 months |
| CDPSE Quarterly Full Access | $59.99 | per 3 months |
| CDPSE Semiannual Full Access | $75.99 | per 6 months |
| CDPSE Semiannual Full Access | $79.99 | per 6 months |
| CDPSE Annual Full Access | $109.99 | per year |
| CDPSE Annual Full Access | $119.99 | per year |


### ISC2 Exam Prep

[App page](https://appshunter.io/ios/app/isc2-exam-prep-cissp-and-cc/id6752252368)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is CDPSE Data Privacy Test Prep free?

CDPSE Data Privacy Test Prep is free to download, with in-app purchases available.

### Is ISC2 Exam Prep free?

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

### Do CDPSE Data Privacy Test Prep or ISC2 Exam Prep have ads?

Neither CDPSE Data Privacy Test Prep nor ISC2 Exam Prep shows ads.

### Which is updated more often, CDPSE Data Privacy Test Prep or ISC2 Exam Prep?

CDPSE Data Privacy Test Prep ships an update every 19 months, and ISC2 Exam Prep every 2 months. Most recently, CDPSE Data Privacy Test Prep was updated on October 19, 2026 and ISC2 Exam Prep 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.*