Comparison

Az DP vs Data Engineer Cert Prep

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

Head to head
About

Az DP

Features
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Non-Affiliation Disclaimer (DP-300) 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 (DP-300) Microsoft, Azure, and DP-300 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 ===== There are many questions on the web that are either outdated or wrongly answered.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to help you 5 things: 1.question content is updated monthly in 2026, so you don’t have to worry that these question is outdated anymore. 2.With 2 EXACT-FILTERING features, you can focus easily on questions you are making mistakes or missing. 3.Save difficult questions offline.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

Data Engineer Cert Prep

Features
Read full description

Pass the AWS Certified Data Engineer – Associate (DEA-C01) exam with a native, offline-first practice app built around real exam scenarios across every domain of the current exam. WHY THIS APP Most Data Engineer quiz apps are thin question dumps with no explanations or a domain mix that doesn't match the real exam. This one is built and weighted to the official DEA-C01 exam guide, and every question β€” not just the answer key β€” comes with a full explanation of why the right choice is right and the others are wrong. WHAT'S INCLUDED (FREE) - 100 exam-style questions weighted to match the official DEA-C01 domain breakdown - Every question comes with a detailed explanation referencing official AWS documentation - Choose 5, 10, or 15 questions per practice session - Track your progress, streaks, and score history right on your device - Works fully offline- study on a plane, a commute, anywhere - No account, no sign-up, no ads EXAM DOMAINS COVERED - Data Ingestion and Transformation (34%) - Kinesis, MSK, Glue ETL, DMS, Firehose, EventBridge, MWAA, Lambda - Data Store Management (26%) - S3, Redshift, DynamoDB, Aurora, Lake Formation, OpenSearch, Iceberg/Glue Data Catalog - Data Operations and Support (22%) - CloudWatch, Step Functions, EMR, Glue Data Quality, AWS Batch, Amazon Q Developer - Data Security and Governance (18%) - IAM least privilege, Lake Formation permissions, KMS, Macie, VPC endpoints BUILT FOR REAL STUDYING Every question is written as a scenario a working data engineer would actually face, with distractor answers that test common misconceptions rather than obvious wrong picks. Explanations cite the relevant AWS service behavior directly so you learn the reasoning, not just memorize a letter. WANT MORE? Djamgatech PRO bundles a bigger 150-question Data Engineer Associate bank alongside dozens of other AWS, Azure, GCP, and AI certification question banks in one app - all offline, all ad-free. Start practicing for free today and walk into your DEA-C01 exam ready.

Screenshots

Az DP4 screens
Data Engineer Cert Prep3 screens

Verdict

The call

The clearest difference is in-app purchases: Data Engineer Cert Prep at none against Az DP's 1. Az DP's advantage is iOS requirement (10.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Az DP sells 1 one-off in-app purchase. Data Engineer Cert Prep asks for nothing beyond the download.

UpkeepUpdate frequency

Az DP ships an update every 10 months, Data Engineer Cert Prep every 13 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

Scorecard2 real differences Β· 4 level
Az DP versus Data Engineer Cert Prep: the parameters behind the verdict, then further details
ParameterAz DPData Engineer Cert Prep
PriceFreeFree
Update frequencyEvery 10 months β€” betterEvery 13 months
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPodiPhone, iPad, Mac β€” better
Requires iOS10.0 β€” better16.0
Further details β€” not scored
Size25 MB1 MB
Age rating4+4+
DeveloperTrieu TranDjamgaTech Corp

In-app purchases

1 purchases

Az DP

One-time1
  • Unlock All Premium Content$7.99
None

Data Engineer Cert Prep

No in-app purchases

Questions

Is Az DP free?
Az DP is free to download, with in-app purchases available.
Is Data Engineer Cert Prep free?
Data Engineer Cert Prep is free to download, with no in-app purchases.
Do Az DP or Data Engineer Cert Prep have ads?
Neither Az DP nor Data Engineer Cert Prep shows ads.
Which is updated more often, Az DP or Data Engineer Cert Prep?
Az DP ships an update every 10 months, and Data Engineer Cert Prep every 13 months. Most recently, Az DP was updated on September 10, 2026 and Data Engineer Cert Prep on September 14, 2026.

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