# CompTIA Security+ Exam Prep vs DCDEP Data Engineer Pro Prep

The clearest difference is in-app purchases: DCDEP Data Engineer Pro Prep at none against CompTIA Security+ Exam Prep's 5. DCDEP Data Engineer Pro Prep also leads on ads (none vs shown). CompTIA Security+ Exam Prep's advantage is update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CompTIA Security+ Exam Prep sells 5 in-app purchases, starting at $9.99 per 7 days. DCDEP Data Engineer Pro Prep asks for nothing beyond the download.

CompTIA Security+ Exam Prep ships an update every 3 weeks, DCDEP Data Engineer Pro Prep every 4 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CompTIA Security+ Exam Prep | DCDEP Data Engineer Pro Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.6K ratings)](https://appshunter.io/ios/app/comptia-security-plus-exam-prep/id1501784033/reviews)** | — |
| Number of ratings | **6.6K** | — |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thanh Hung](https://appshunter.io/developer/1059077329) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### CompTIA Security+ Exam Prep

[App page](https://appshunter.io/ios/app/comptia-security-plus-exam-prep/id1501784033)

Prepare for the CompTIA Security+ SY0-701 exam with realistic practice tests and AI-powered guidance. Master cybersecurity domains, track your progress, and receive personalized feedback to ensure you pass with confidence.

**Highlights:** AI Mentora - Smart Cyber Tutor, Study by Domain, Realistic Practice Tests, Progress Tracker & AI Insights, SY0-701 Objective Alignment, Multiple Test Modes

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Security+ Subscription Weekly | $9.99 | per 7 days |
| Security+ Subscription Monthly | $19.99 | per month |
| Sec+ Quarterly Subscription | $39.99 | per 3 months |
| Security+ Subscription Yearly | $69.99 | per year |
| CompTIA Security+ Pro | $19.99 | one-time |

**What reviewers like**

- 🚀 Well-organized modules
- 👍 Helpful explanations for answers
- 🚀 Ability to memorize important information
- 👍 Gamified learning experience
- 🚀 Excellent practice questions

**What reviewers complain about**

- 💰 Premium version is expensive
- 🐛 Inconsistent question formatting and wording
- 🐛 Some incorrect answers and explanations
- 🐛 Inability to revisit skipped questions
- 🐛 Weak performance on cellular data

**Reported bugs**

- Certain sections get stuck at incomplete progress
- Inconsistent gender/name references in questions
- Incorrect information on cyber kill chain
- Subscription upgrade charges more than advertised

**Requested features**

- Add performance-based questions (PBQs)
- Implement randomization for review of missed questions
- Introduce flashcard feature for terms and phrases
- Allow users to report exam pass/fail status
- Improve syncing of progress across devices


### DCDEP Data Engineer Pro Prep

[App page](https://appshunter.io/ios/app/dcdep-data-engineer-pro-prep/id6758736664)

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

**In-app purchases:** none


## Frequently asked questions

### Is CompTIA Security+ Exam Prep free?

CompTIA Security+ Exam Prep is free to download, with in-app purchases available.

### Is DCDEP Data Engineer Pro Prep free?

DCDEP Data Engineer Pro Prep is free to download, with no in-app purchases.

### Do CompTIA Security+ Exam Prep or DCDEP Data Engineer Pro Prep have ads?

CompTIA Security+ Exam Prep shows ads; DCDEP Data Engineer Pro Prep does not.

### Which is updated more often, CompTIA Security+ Exam Prep or DCDEP Data Engineer Pro Prep?

CompTIA Security+ Exam Prep ships an update every 3 weeks, and DCDEP Data Engineer Pro Prep every 4 months. Most recently, CompTIA Security+ Exam Prep was updated on October 4, 2026 and DCDEP Data Engineer Pro Prep on October 3, 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.*