# SOA vs DEA Data Engineer Exam Prep

The clearest difference is update cadence: DEA Data Engineer Exam Prep at every 5 days against SOA's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SOA sells 4 in-app purchases, starting at $7.99 per month and DEA Data Engineer Exam Prep sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SOA ships an update monthly, DEA Data Engineer Exam Prep every 5 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | SOA | DEA Data Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 85 MB | 165 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### SOA

[App page](https://appshunter.io/ios/app/soa-c03-exam-pass/id6755059615)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $7.99 | per month |
| Premium 3 Months | $14.99 | per 3 months |
| Premium 6 Months | $29.99 | per 6 months |
| Premium 12 Months | $49.99 | per year |


### 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 (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Six Sigma Yellow Belt 추가 구매 할인 | $1.69 | one-time |
| AWS DEA Data Engineer 추가 구매 할인 | $2.49 | one-time |
| Six Sigma Black Belt 추가 구매 할인 | $2.49 | one-time |
| Six Sigma Green Belt 추가 구매 할인 | $2.49 | one-time |
| Six Sigma Yellow Belt 평생 이용권 | $3.49 | one-time |
| Six Sigma Black Belt 평생 이용권 | $4.99 | one-time |
| Six Sigma Green Belt 평생 이용권 | $4.99 | one-time |
| DEA Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is SOA free?

SOA is free to download, with in-app purchases available.

### Is DEA Data Engineer Exam Prep free?

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

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

Neither SOA nor DEA Data Engineer Exam Prep shows ads.

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

SOA ships an update monthly, and DEA Data Engineer Exam Prep every 5 days. Most recently, SOA was updated on November 12, 2026 and DEA Data Engineer Exam Prep on November 13, 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.*