# AWS Developer (DVAC02) vs Data Engineer Cert Prep

The clearest difference is in-app purchases: Data Engineer Cert Prep at none against AWS Developer (DVAC02)'s 1. AWS Developer (DVAC02)'s advantage is update cadence (every 3 months vs every 13 months) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. AWS Developer (DVAC02) sells 1 one-off in-app purchase. Data Engineer Cert Prep asks for nothing beyond the download.

AWS Developer (DVAC02) ships an update every 3 months, Data Engineer Cert Prep every 13 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | AWS Developer (DVAC02) | Data Engineer Cert Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aws-developer-dvac02-exam/id6477393801/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [DjamgaTech Corp](https://appshunter.io/developer/969000181) |

## What reviewers say

### AWS Developer (DVAC02)

[App page](https://appshunter.io/ios/app/aws-developer-dvac02-exam/id6477393801)

Prepare for the AWS Developer DVA-C02 certification exam with actual questions and answers. This app offers multiple study modes and a search function, with content updated regularly. It works offline and provides unlimited access to practice questions.

**Highlights:** Actual exam questions and answers, Multiple study modes (Preparation, Exam, Marathon), Question search functionality, Offline access, Constantly updated content, Unlimited practice questions (free tier)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AWS Developer prep exam DVAC02 | $2.99 | one-time |


### 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 Developer (DVAC02) free?

AWS Developer (DVAC02) 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 Developer (DVAC02) or Data Engineer Cert Prep have ads?

Neither AWS Developer (DVAC02) nor Data Engineer Cert Prep shows ads.

### Which is updated more often, AWS Developer (DVAC02) or Data Engineer Cert Prep?

AWS Developer (DVAC02) ships an update every 3 months, and Data Engineer Cert Prep every 13 months. Most recently, AWS Developer (DVAC02) was updated on September 10, 2026 and Data Engineer Cert Prep on September 14, 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.*