# Az Developer AZ vs Machine Learning Engineer Exam

The clearest difference is review sentiment: Machine Learning Engineer Exam at 100% against Az Developer AZ's 0%. Az Developer AZ's advantage is monetization model (free vs paid) and update cadence (every 9 months vs every 28 months). On price, ads, in-app purchases and device support there is nothing between them.

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

Az Developer AZ ships an update every 9 months, Machine Learning Engineer Exam every 28 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Az Developer AZ | Machine Learning Engineer Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/az-developer-az-204-2026/id1562631516/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 28 months |
| Monetization | **Free** | Paid |
| Size | 25 MB | 1 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trieu Tran](https://appshunter.io/developer/1395838483) | [DjamgaTech Corp](https://appshunter.io/developer/969000181) |

## What reviewers say

### Az Developer AZ

[App page](https://appshunter.io/ios/app/az-developer-az-204-2026/id1562631516)

Prepare for the AZ-204 exam with a comprehensive practice tool featuring updated questions and detailed explanations. Focus on weak areas with filtering, save difficult questions for offline study, and simulate the real exam experience.

**Highlights:** Monthly updated question content for 2026, Exact-filtering to focus on mistakes, Save difficult questions for offline practice, Examination mode for realistic test simulation, Straightforward explanations for nearly all questions

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4.99$ For All Premium Features | $4.99 | one-time |
| Unlock all premium content | $7.99 | one-time |
| Unlock All Premium Content | $9.99 | one-time |


### 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 |


## Frequently asked questions

### Is Az Developer AZ free?

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

### Is Machine Learning Engineer Exam free?

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

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

Neither Az Developer AZ nor Machine Learning Engineer Exam shows ads.

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

Az Developer AZ ships an update every 9 months, and Machine Learning Engineer Exam every 28 months. Most recently, Az Developer AZ was updated on October 24, 2026 and Machine Learning Engineer Exam on October 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.*