# Data Engineer Pro Prep vs Azure DP

The clearest difference is update cadence: Azure DP at daily against Data Engineer Pro Prep's every 3 weeks. Data Engineer Pro Prep's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Data Engineer Pro Prep sells 1 one-off in-app purchase and Azure DP sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Data Engineer Pro Prep ships an update every 3 weeks, Azure DP daily. Both last shipped on September 20, 2026.

## The numbers

| Metric | Data Engineer Pro Prep | Azure DP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 86 MB | 162 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AITYTECH](https://appshunter.io/developer/1885549185) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### Data Engineer Pro Prep

[App page](https://appshunter.io/ios/app/data-engineer-pro-prep/id6762125643)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


### Azure DP

[App page](https://appshunter.io/ios/app/azure-dp-300-sql-solutions/id6782107643)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DP-300 Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Data Engineer Pro Prep free?

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

### Is Azure DP free?

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

### Do Data Engineer Pro Prep or Azure DP have ads?

Neither Data Engineer Pro Prep nor Azure DP shows ads.

### Which is updated more often, Data Engineer Pro Prep or Azure DP?

Data Engineer Pro Prep ships an update every 3 weeks, and Azure DP daily. Most recently, Data Engineer Pro Prep was updated on September 20, 2026 and Azure DP on September 20, 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.*