# AWS SA Exam Simulator vs Data Engineer Cert Prep

The clearest difference is in-app purchases: Data Engineer Cert Prep at none against AWS SA Exam Simulator's 3. AWS SA Exam Simulator's advantage is update cadence (every 3 months vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AWS SA Exam Simulator sells 3 in-app purchases, starting at $3.99 per month. Data Engineer Cert Prep asks for nothing beyond the download.

AWS SA Exam Simulator ships an update every 3 months, Data Engineer Cert Prep every 13 months. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | AWS SA Exam Simulator | Data Engineer Cert Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 92 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) | [DjamgaTech Corp](https://appshunter.io/developer/969000181) |

## What reviewers say

### AWS SA Exam Simulator

[App page](https://appshunter.io/ios/app/aws-sa-exam-simulator/id6472615600)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Quarterly | $8.99 | per 3 months |
| Premium Yearly | $24.99 | per year |


### Data Engineer Cert Prep

[App page](https://appshunter.io/ios/app/data-engineer-cert-prep/id6566170013)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AWS SA Exam Simulator free?

AWS SA Exam Simulator is free to download, with in-app purchases available.

### Is Data Engineer Cert Prep free?

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

### Do AWS SA Exam Simulator or Data Engineer Cert Prep have ads?

Neither AWS SA Exam Simulator nor Data Engineer Cert Prep shows ads.

### Which is updated more often, AWS SA Exam Simulator or Data Engineer Cert Prep?

AWS SA Exam Simulator ships an update every 3 months, and Data Engineer Cert Prep every 13 months. Most recently, AWS SA Exam Simulator was updated on October 4, 2026 and Data Engineer Cert Prep on October 18, 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.*