# CISSP Exam Prep vs DFE Forensics Essentials Prep

The clearest difference is in-app purchases: DFE Forensics Essentials Prep at none against CISSP Exam Prep's 7. CISSP Exam Prep's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CISSP Exam Prep sells 7 in-app purchases, starting at $5.99 per month. DFE Forensics Essentials Prep asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | CISSP Exam Prep | DFE Forensics Essentials Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/cissp-exam-prep-2024/id1517710794/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Freemium | — |
| Size | 55 MB | 27 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TRENDING MOBAPPS SRL](https://appshunter.io/developer/1526012193) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### CISSP Exam Prep

[App page](https://appshunter.io/ios/app/cissp-exam-prep-2024/id1517710794)

Prepare for your CISSP certification exam with over 1300 practice questions and flashcards. Study offline, create custom exams, and track your progress. Offers a free trial for premium features and a pass guarantee.

**Highlights:** 1300+ Practice Questions, Flashcards, Offline Access, Custom Exam Creation, Progress Tracking, Test Taking Strategy, Lifetime Updates

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month Access | $5.99 | per month |
| Special Offer 1 Week Access | $6.99 | per 7 days |
| Premium 1 Week Access | $13.99 | per 7 days |
| Premium 1 Year Full Access | $15.99 | per year |
| Special Offer 3 Months Access | $19.99 | per 3 months |
| Premium 3 Months Access | $39.99 | per 3 months |
| Premium Lifetime Full Access | $27.99 | one-time |


### DFE Forensics Essentials Prep

[App page](https://appshunter.io/ios/app/dfe-forensics-essentials-prep/id6758678052)

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

**In-app purchases:** none


## Frequently asked questions

### Is CISSP Exam Prep free?

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

### Is DFE Forensics Essentials Prep free?

DFE Forensics Essentials Prep is free to download, with no in-app purchases.

### Do CISSP Exam Prep or DFE Forensics Essentials Prep have ads?

Neither CISSP Exam Prep nor DFE Forensics Essentials Prep shows ads.

### Which is updated more often, CISSP Exam Prep or DFE Forensics Essentials Prep?

CISSP Exam Prep ships an update every 4 months, and DFE Forensics Essentials Prep every 4 months. Most recently, CISSP Exam Prep was updated on November 3, 2026 and DFE Forensics Essentials Prep on November 9, 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.*