# CompTIA DataX Prep vs Data Engineer Pro Prep

The clearest difference is device support: Data Engineer Pro Prep at 4 against CompTIA DataX Prep's 1. Data Engineer Pro Prep also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CompTIA DataX Prep sells 2 in-app purchases, starting at $9.99 per month and Data Engineer Pro Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CompTIA DataX Prep ships an update every 5 weeks, Data Engineer Pro Prep every 3 weeks. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CompTIA DataX Prep | Data Engineer Pro Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/comptia-datax-prep/id6670740937/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Subscription | — |
| Size | 12 MB | 86 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [AITYTECH](https://appshunter.io/developer/1885549185) |

## What reviewers say

### 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 |


### Data Engineer Pro Prep

[App page](https://appshunter.io/ios/app/data-engineer-pro-prep/id6762125643)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is CompTIA DataX Prep free?

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

### Is Data Engineer Pro Prep free?

Data Engineer Pro Prep is free to download, with in-app purchases available.

### Do CompTIA DataX Prep or Data Engineer Pro Prep have ads?

Neither CompTIA DataX Prep nor Data Engineer Pro Prep shows ads.

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

CompTIA DataX Prep ships an update every 5 weeks, and Data Engineer Pro Prep every 3 weeks. Most recently, CompTIA DataX Prep was updated on September 30, 2026 and Data Engineer Pro Prep on September 20, 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.*