Comparison

Az Developer AZ vs Machine Learning Engineer Exam

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Az Developer AZ

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
Read full description

Non-Affiliation Disclaimer (AZ-204) This app is an independent exam preparation resource and is not affiliated with, endorsed by, or connected with Microsoft. All practice materials are created solely for learning and study purposes. Trademark Notice (AZ-204) Microsoft, Azure, and AZ-204 are trademarks or registered trademarks of Microsoft Corporation.
Any references to Microsoft exams or terminology are for identification only and do not imply official endorsement. ===== There are many questions on the web that are either outdated or wrongly answered. I am trying here to filter all those questions and provide you with a nice tool to practice the exam similar to the real-life exam as much as possible. This small app was designed with love to help you 5 things: 1. question content is updated monthly in 2026, so you don’t have to worry that these question is outdated anymore. 2. With 2 EXACT-FILTERING features, you can focus easily on questions you are making mistakes or missing. 3. Save difficult questions offline. So you can practice them later when you have free time. 4. Examination mode will help you take test like a real exam. So you will be more confident. 5. Nearly-100% questions are packed with straightforward explanations. You will know why it is correct or wrong. No more confusing. In sum, this app is simple and straight-to-the-point like description you are reading. Have fun and enjoy the app!

About

Machine Learning Engineer Exam

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
Read full description

Practice for the Professional Machine Learning Engineer exam with questions written to the current exam guide, which renamed the platform it covers: Vertex AI is now the Gemini Enterprise Agent Platform. Most prep material still uses the old names. This bank uses the new ones throughout. 100 PRACTICE QUESTIONS INCLUDED, 150 WITH THE UNLOCK The app includes 100 questions across all six exam domains. A one-time in-app purchase unlocks the full bank of 150 questions. Your progress and history are kept. ALL SIX EXAM DOMAINS - Architecting low-code AI solutions: BigQuery ML, Agent Platform AutoML, Model Garden, the industry APIs - Collaborating to manage data and models: Feature Store, Workbench, Colab Enterprise, Experiments, ML Metadata - Scaling prototypes: custom training, hyperparameter tuning, TPUs and GPUs, data versus model parallelism, fine-tuning foundation models - Serving and scaling: batch versus online inference, Model Registry, custom containers, canary and A/B rollouts, private endpoints - Automating and orchestrating: Agent Platform Pipelines, Managed Service for Apache Airflow, Ray, CI/CD/CT - Monitoring: data drift, concept drift, training-serving skew, feature attribution drift, Model Armor, responsible AI EVERY OPTION EXPLAINED, NOT JUST THE RIGHT ONE Each question explains why the correct answer is correct and why each distractor is wrong. When several options look plausible, knowing why the near-miss fails is most of the skill. WRITTEN TO THE REAL WEIGHTINGS The exam guide weights its six sections from 13% to 21%. The bank is balanced to match, so your practice time lands where the exam spends its questions. WORKS OFFLINE Everything ships inside the app. Nothing streams and there is no account, so it works the same in airplane mode as on full signal. ALSO INCLUDED - Exam Pace Timer: an optional countdown that never locks you out or auto-submits. - Daily study reminder, if you want one, scheduled on your device. - Progress tracking: streaks, best scores and full history, stored on your device. - No account, no sign-up, no ads. This app is an independent study aid and is not affiliated with, endorsed by, or sponsored by Google LLC. Google Cloud is a trademark of Google LLC.

Screenshots

Az Developer AZ4 screens
Machine Learning Engineer Exam3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Az Developer AZ versus Machine Learning Engineer Exam: the parameters behind the verdict, then further details
ParameterAz Developer AZMachine Learning Engineer Exam
PriceFreeFree
Rating3.5 (2 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 9 months — betterEvery 28 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.0
Further details — not scored
Size25 MB1 MB
Age rating4+4+
DeveloperTrieu TranDjamgaTech Corp

Customer experience

Az Developer AZ

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Machine Learning Engineer Exam

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Az Developer AZ

One-time3
  • 4.99$ For All Premium Features$4.99
  • Unlock all premium content$7.99
  • Unlock All Premium Content$9.99
1 purchases

Machine Learning Engineer Exam

One-time1
  • Full Question Bank$9.99

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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