# DP vs DP

The clearest difference is price: DP at Free against DP's $4.99. DP's advantage is update cadence (every 2 months vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

DP is free to download; DP costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DP ships an update every 4 months, DP every 2 months. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DP | DP |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dp-750-databricks-data-eng/id6770922045/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [satoshi yoshida](https://appshunter.io/developer/1873856165) |

## What reviewers say

### DP

[App page](https://appshunter.io/ios/app/dp-750-databricks-data-eng/id6770922045)

Prepare for your Azure Databricks Data Engineer certification with over 500 practice questions. Master key concepts through short study sessions and track your progress. This app helps you build expertise for a high-demand career in data engineering.

**Highlights:** 500+ expert practice questions, 5-minute study sessions, Progress tracking, Remove mastered questions, Text-to-speech support, Dark mode

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

**In-app purchases:** none


### DP

[App page](https://appshunter.io/ios/app/dp-700-fabric-data-eng-prep/id6777890204)

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

**In-app purchases:** none


## Frequently asked questions

### Is DP free?

DP is free to download, with no in-app purchases.

### Is DP free?

DP costs $4.99, with no in-app purchases.

### Do DP or DP have ads?

Neither DP nor DP shows ads.

### Which is updated more often, DP or DP?

DP ships an update every 4 months, and DP every 2 months. Most recently, DP was updated on October 15, 2026 and DP on September 29, 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.*