# DEA vs DEA Data Engineer Exam Prep

The clearest difference is in-app purchases: DEA at none against DEA Data Engineer Exam Prep's 1. DEA Data Engineer Exam Prep's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DEA Data Engineer Exam Prep sells 1 one-off in-app purchase. DEA asks for nothing beyond the download.

DEA ships an update every 2 months, DEA Data Engineer Exam Prep every 5 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DEA | DEA Data Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 28 MB | 131 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### DEA

[App page](https://appshunter.io/ios/app/dea-c01-data-engineer-prep/id6747032687)

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

**In-app purchases:** none


### DEA Data Engineer Exam Prep

[App page](https://appshunter.io/ios/app/dea-data-engineer-exam-prep/id6775575150)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DEA Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is DEA free?

DEA is free to download, with no in-app purchases.

### Is DEA Data Engineer Exam Prep free?

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

### Do DEA or DEA Data Engineer Exam Prep have ads?

Neither DEA nor DEA Data Engineer Exam Prep shows ads.

### Which is updated more often, DEA or DEA Data Engineer Exam Prep?

DEA ships an update every 2 months, and DEA Data Engineer Exam Prep every 5 days. Most recently, DEA was updated on October 9, 2026 and DEA Data Engineer Exam Prep on October 24, 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.*