# Machine Learning Engineer Exam vs AZ

The clearest difference is update cadence: AZ at fortnightly against Machine Learning Engineer Exam's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Machine Learning Engineer Exam sells 1 one-off in-app purchase and AZ sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Machine Learning Engineer Exam ships an update every 28 months, AZ fortnightly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Machine Learning Engineer Exam | AZ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 1 MB | 39 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DjamgaTech Corp](https://appshunter.io/developer/969000181) | [Thomas Baric](https://appshunter.io/developer/1872894014) |

## What reviewers say

### Machine Learning Engineer Exam

[App page](https://appshunter.io/ios/app/machine-learning-engineer-exam/id1611598797)

Prepare for the GCP Professional Machine Learning Engineer certification with comprehensive quizzes and practice exams. Master ML concepts on GCP, from data preparation to model deployment and operations. Includes cheat sheets and interview questions.

**Highlights:** Hundreds of quizzes and practice exams, Covers ML on GCP topics, Machine Learning Basics and Advanced, Cheat sheets and interview questions, Latest ML news, Scorecard and countdown timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $9.99 | one-time |


### AZ

[App page](https://appshunter.io/ios/app/az-305-practice-test/id6780073140)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Microsoft Access | $6.99 | per month |
| AZ-305 Pro | $4.99 | one-time |
| Azure Bundle | $9.99 | one-time |


## Frequently asked questions

### Is Machine Learning Engineer Exam free?

Machine Learning Engineer Exam is free to download, with in-app purchases available.

### Is AZ free?

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

### Do Machine Learning Engineer Exam or AZ have ads?

Neither Machine Learning Engineer Exam nor AZ shows ads.

### Which is updated more often, Machine Learning Engineer Exam or AZ?

Machine Learning Engineer Exam ships an update every 28 months, and AZ fortnightly. Most recently, Machine Learning Engineer Exam was updated on November 7, 2026 and AZ on November 5, 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.*