# DP vs AI, ML & Data Cert Exam Prep

The clearest difference is in-app purchases: DP at none against AI, ML & Data Cert Exam Prep's 4. DP also leads on iOS requirement (15.0 vs 18). AI, ML & Data Cert Exam Prep's advantage is update cadence (daily vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. AI, ML & Data Cert Exam Prep sells 4 in-app purchases, starting at $19.99 per month. DP asks for nothing beyond the download.

DP ships an update every 4 months, AI, ML & Data Cert Exam Prep daily. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DP | AI, ML & Data Cert Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 16 MB |
| Requires iOS | **15.0** | 18 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Sunny Dasari](https://appshunter.io/developer/6798379765) |

## 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


### AI, ML & Data Cert Exam Prep

[App page](https://appshunter.io/ios/app/ai-ml-and-data-cert-exam-prep/id6799519419)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI, ML & Data Cert Monthly | $19.99 | per month |
| AI, ML & Data Cert 3 Months | $39.99 | per 3 months |
| AI, ML & Data Cert 6 Months | $39.99 | per 6 months |
| AI, ML & Data Cert Yearly | $99.99 | per year |


## Frequently asked questions

### Is DP free?

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

### Is AI, ML & Data Cert Exam Prep free?

AI, ML & Data Cert Exam Prep is free to download, with in-app purchases available.

### Do DP or AI, ML & Data Cert Exam Prep have ads?

Neither DP nor AI, ML & Data Cert Exam Prep shows ads.

### Which is updated more often, DP or AI, ML & Data Cert Exam Prep?

DP ships an update every 4 months, and AI, ML & Data Cert Exam Prep daily. Most recently, DP was updated on October 31, 2026 and AI, ML & Data Cert Exam Prep on October 25, 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.*