# AZ AI Certification Exam Prep vs Data Scientific

The clearest difference is update cadence: Data Scientific at every 3 weeks against AZ AI Certification Exam Prep's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AZ AI Certification Exam Prep ships an update every 28 months, Data Scientific every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AZ AI Certification Exam Prep | Data Scientific |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/az-ai-certification-exam-prep/id1611614573/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 27 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DjamgaTech Corp](https://appshunter.io/developer/969000181) | [Jean Claude Zabaloff](https://appshunter.io/developer/1729237419) |

## What reviewers say

### AZ AI Certification Exam Prep

[App page](https://appshunter.io/ios/app/az-ai-certification-exam-prep/id1611614573)

Prepare for the Microsoft Azure AI-900 certification with this comprehensive study app. It offers practice questions, detailed answers, references, cheat sheets, and interview preparation for machine learning and AI fundamentals on Azure.

**Highlights:** AI-900 practice questions, Detailed answers and references, Machine learning basics and advanced topics, NLP and Computer Vision coverage, Scorecard and timer, Machine learning cheat sheets, Interview questions and answers

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

**In-app purchases:** none


### Data Scientific

[App page](https://appshunter.io/ios/app/data-scientific/id6762534867)

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

**In-app purchases:** none


## Frequently asked questions

### Is AZ AI Certification Exam Prep free?

AZ AI Certification Exam Prep is free to download, with no in-app purchases.

### Is Data Scientific free?

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

### Do AZ AI Certification Exam Prep or Data Scientific have ads?

Neither AZ AI Certification Exam Prep nor Data Scientific shows ads.

### Which is updated more often, AZ AI Certification Exam Prep or Data Scientific?

AZ AI Certification Exam Prep ships an update every 28 months, and Data Scientific every 3 weeks. Most recently, AZ AI Certification Exam Prep was updated on November 3, 2026 and Data Scientific on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*