# AWS Certification Exam Prep vs AWS Data Engineer DEA

The clearest difference is ads: AWS Data Engineer DEA at none against AWS Certification Exam Prep's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. AWS Certification Exam Prep sells 3 in-app purchases, starting at $5.99 per 7 days and AWS Data Engineer DEA sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AWS Certification Exam Prep ships an update every 2 weeks, AWS Data Engineer DEA fortnightly. Both last shipped on October 28, 2026.

## The numbers

| Metric | AWS Certification Exam Prep | AWS Data Engineer DEA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 83 MB | 45 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Koray Salman](https://appshunter.io/developer/1629681839) | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) |

## What reviewers say

### AWS Certification Exam Prep

[App page](https://appshunter.io/ios/app/aws-certification-exam-prep/id6743176378)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription - Weekly | $5.99 | per 7 days |
| Subscription - Monthly | $19.99 | per month |
| Subscription - Yearly | $99.99 | per year |


### AWS Data Engineer DEA

[App page](https://appshunter.io/ios/app/aws-data-engineer-dea-c01-2026/id6757211768)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 AI Credits | $1.99 | one-time |
| Unlock Premium | $5.99 | one-time |


## Frequently asked questions

### Is AWS Certification Exam Prep free?

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

### Is AWS Data Engineer DEA free?

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

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

AWS Certification Exam Prep shows ads; AWS Data Engineer DEA does not.

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

AWS Certification Exam Prep ships an update every 2 weeks, and AWS Data Engineer DEA fortnightly. Most recently, AWS Certification Exam Prep was updated on October 28, 2026 and AWS Data Engineer DEA on October 28, 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.*