# AWS Data Engineer Prep Exam vs CompTIA DataX Prep

The clearest difference is price: CompTIA DataX Prep at Free against AWS Data Engineer Prep Exam's $5.99. CompTIA DataX Prep also leads on rating (5.0 vs 3.0) and update cadence (every 5 weeks vs every 7 months). AWS Data Engineer Prep Exam's advantage is in-app purchases (none vs 2). On ratings volume, ads, device support and iOS requirement there is nothing between them.

CompTIA DataX Prep is free to download; AWS Data Engineer Prep Exam costs $5.99 up front. CompTIA DataX Prep sells 2 in-app purchases, starting at $9.99 per month. AWS Data Engineer Prep Exam asks for nothing beyond the download.

CompTIA DataX Prep holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

AWS Data Engineer Prep Exam ships an update every 7 months, CompTIA DataX Prep every 5 weeks. The most recent releases landed on September 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AWS Data Engineer Prep Exam | CompTIA DataX Prep |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/aws-data-engineer-prep-exam/id6499478513/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/comptia-datax-prep/id6670740937/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | **Paid** | Subscription |
| Size | 13 MB | 12 MB |
| Requires iOS | 16.3 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Buydeepdiscount.com LLC](https://appshunter.io/developer/817177888) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### AWS Data Engineer Prep Exam

[App page](https://appshunter.io/ios/app/aws-data-engineer-prep-exam/id6499478513)

Prepare for the AWS Certified Data Engineer Associate (DEA-C01) exam with comprehensive practice questions and simulations. Master key concepts in data ingestion, transformation, storage, operations, and security. Track your progress and study offline to ace your certification.

**Highlights:** Comprehensive DEA-C01 exam content coverage, Hundreds of practice questions with explanations, Topic-wise quizzes for focused study, Timed exam simulations, Detailed progress tracking and analytics, Offline access to study materials

**Features:** macOS Compatibility

**In-app purchases:** none


### CompTIA DataX Prep

[App page](https://appshunter.io/ios/app/comptia-datax-prep/id6670740937)

Prepare for the CompTIA DataX certification with this app. It offers a comprehensive curriculum, real-world simulations, and in-depth practice questions to validate your advanced data science skills. Receive expert feedback to target areas for improvement and elevate your career.

**Highlights:** Comprehensive curriculum on data science concepts, Real-world scenario simulations, In-depth practice questions, Expert performance feedback, Preparation for CompTIA DataX certification

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is AWS Data Engineer Prep Exam free?

AWS Data Engineer Prep Exam costs $5.99, with no in-app purchases.

### Is CompTIA DataX Prep free?

CompTIA DataX Prep is free to download, with in-app purchases available.

### Which has better reviews, AWS Data Engineer Prep Exam or CompTIA DataX Prep?

CompTIA DataX Prep is rated higher. AWS Data Engineer Prep Exam averages 3.0 out of 5 from 2 ratings, while CompTIA DataX Prep averages 5.0 from 1 ratings.

### Do AWS Data Engineer Prep Exam or CompTIA DataX Prep have ads?

Neither AWS Data Engineer Prep Exam nor CompTIA DataX Prep shows ads.

### Which is updated more often, AWS Data Engineer Prep Exam or CompTIA DataX Prep?

AWS Data Engineer Prep Exam ships an update every 7 months, and CompTIA DataX Prep every 5 weeks. Most recently, AWS Data Engineer Prep Exam was updated on September 13, 2026 and CompTIA DataX Prep on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*