# ISC2 Exam Prep, 4 Exams, 2026 vs CDP Knowledge Test

The clearest difference is update cadence: ISC2 Exam Prep, 4 Exams, 2026 at every 2 weeks against CDP Knowledge Test's every 3 months. ISC2 Exam Prep, 4 Exams, 2026 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ISC2 Exam Prep, 4 Exams, 2026 sells 15 in-app purchases, starting at $7.99 per 7 days and CDP Knowledge Test sells 2 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

ISC2 Exam Prep, 4 Exams, 2026 ships an update every 2 weeks, CDP Knowledge Test every 3 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ISC2 Exam Prep, 4 Exams, 2026 | CDP Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (34 ratings)](https://appshunter.io/ios/app/isc2-exam-prep-4-exams-2026/id6737060402/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 9 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Prepia Inc](https://appshunter.io/developer/1843388606) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### ISC2 Exam Prep, 4 Exams, 2026

[App page](https://appshunter.io/ios/app/isc2-exam-prep-4-exams-2026/id6737060402)

Prepare for ISC2 certifications with personalized practice questions, study goals, and an exam simulator. This app offers a portable study companion with instant feedback and progress tracking to help you ace your exams.

**Highlights:** Personalized study goals, Practice questions with explanations, Timed exam simulator, Progress tracking, Instant feedback, Study anywhere, anytime

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Weekly Subscription | $11.99 | per 7 days |
| 6 Months Subscription | $12.99 | per 6 months |
| Monthly Subscription | $16.99 | per month |
| Monthly Subscription | $16.99 | per month |
| Monthly Subscription | $16.99 | per month |
| Monthly Subscription | $24.99 | per month |
| Monthly Subscription | $24.99 | per month |
| 6 Months Subscription | $39.99 | per 6 months |
| 6 Months Subscription | $39.99 | per 6 months |
| 6 Months Subscription | $39.99 | per 6 months |
| 6 Months Subscription | $59.99 | per 6 months |
| 6 Months Subscription | $59.99 | per 6 months |
| 6 Months Subscription | $59.99 | per 6 months |
| Lifetime Subscription | Free | one-time |


### CDP Knowledge Test

[App page](https://appshunter.io/ios/app/cdp-knowledge-test/id6740606245)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $11.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is ISC2 Exam Prep, 4 Exams, 2026 free?

ISC2 Exam Prep, 4 Exams, 2026 is free to download, with in-app purchases available.

### Is CDP Knowledge Test free?

CDP Knowledge Test is free to download, with in-app purchases available.

### Do ISC2 Exam Prep, 4 Exams, 2026 or CDP Knowledge Test have ads?

Neither ISC2 Exam Prep, 4 Exams, 2026 nor CDP Knowledge Test shows ads.

### Which is updated more often, ISC2 Exam Prep, 4 Exams, 2026 or CDP Knowledge Test?

ISC2 Exam Prep, 4 Exams, 2026 ships an update every 2 weeks, and CDP Knowledge Test every 3 months. Most recently, ISC2 Exam Prep, 4 Exams, 2026 was updated on October 25, 2026 and CDP Knowledge Test 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.*