# CDPSE Data Privacy Test Prep vs CISM Exam by Rocket Prep 2026

The clearest difference is update cadence: CISM Exam by Rocket Prep 2026 at every 6 months against CDPSE Data Privacy Test Prep's every 19 months. 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 CISM Exam by Rocket Prep 2026 sells 6 in-app purchases, starting at $8.99 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, CISM Exam by Rocket Prep 2026 every 6 months. The most recent releases landed on October 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CDPSE Data Privacy Test Prep | CISM Exam by Rocket Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 months** |
| Size | 62 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## 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 |


### CISM Exam by Rocket Prep 2026

[App page](https://appshunter.io/ios/app/cism-exam-by-rocket-prep-2026/id6749231294)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CISM Weekly Full Access | $8.99 | per 7 days |
| CISM Monthly Full Access | $22.99 | per month |
| CISM Monthly Full Access | $22.99 | per month |
| CISM_mock_tries_1 | $4.99 | one-time |
| CISM_mock_tries_3 | $9.99 | one-time |
| CISM_mock_tries_5 | $14.99 | 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 CISM Exam by Rocket Prep 2026 free?

CISM Exam by Rocket Prep 2026 is free to download, with in-app purchases available.

### Do CDPSE Data Privacy Test Prep or CISM Exam by Rocket Prep 2026 have ads?

Neither CDPSE Data Privacy Test Prep nor CISM Exam by Rocket Prep 2026 shows ads.

### Which is updated more often, CDPSE Data Privacy Test Prep or CISM Exam by Rocket Prep 2026?

CDPSE Data Privacy Test Prep ships an update every 19 months, and CISM Exam by Rocket Prep 2026 every 6 months. Most recently, CDPSE Data Privacy Test Prep was updated on October 19, 2026 and CISM Exam by Rocket Prep 2026 on September 17, 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.*