Comparison

Data Engineer Cert Prep vs MB

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

Head to head
About

Data Engineer Cert Prep

Features
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Pass the AWS Certified Data Engineer โ€“ 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 โ€” not just the answer key โ€” 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.

About

MB

Features
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PASS YOUR DYNAMICS 365 FINANCE AND OPERATIONS SOLUTION ARCHITECT EXPERT EXAM 500+ practice questions 5-minute study sessions Track progress and daily streaks WHY GET CERTIFIED? Certified solution architects earn up to $203K annually (Skillsoft 2024). MB-700 validates expert-level skills in architecting secure, scalable Dynamics 365 Finance and Operations solutions. WHAT YOU'LL MASTER: Solution architecture with requirements gathering and gap-fit analysis Deployment strategies with One Version and ALM methodologies Data management with migration, cleansing, and retention strategies Security architecture and segregation of duties design Integration patterns including OData, Power Platform, and dual-write Business intelligence with Power BI, SSRS, and financial reports Testing strategies with RSAT, performance testing, and regression STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into solution architect expertise. Download now. Pass your exam. Architect enterprise F&O solutions.

Screenshots

Data Engineer Cert Prep3 screens
MB3 screens

Verdict

The call

The clearest difference is update cadence: MB at every 5 weeks against Data Engineer Cert Prep's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Data Engineer Cert Prep ships an update every 13 months, MB every 5 weeks. The most recent releases landed on October 25, 2026 and September 25, 2026 respectively.

Scorecard1 real difference ยท 5 level
Data Engineer Cert Prep versus MB: the parameters behind the verdict, then further details
ParameterData Engineer Cert PrepMB
PriceFreeFree
Update frequencyEvery 13 monthsEvery 5 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size1 MB30 MB
Age rating4+4+
DeveloperDjamgaTech CorpDavy Raitt

In-app purchases

None

Data Engineer Cert Prep

No in-app purchases

None

MB

No in-app purchases

Questions

Is Data Engineer Cert Prep free?
Data Engineer Cert Prep is free to download, with no in-app purchases.
Is MB free?
MB is free to download, with no in-app purchases.
Do Data Engineer Cert Prep or MB have ads?
Neither Data Engineer Cert Prep nor MB shows ads.
Which is updated more often, Data Engineer Cert Prep or MB?
Data Engineer Cert Prep ships an update every 13 months, and MB every 5 weeks. Most recently, Data Engineer Cert Prep was updated on October 25, 2026 and MB on September 25, 2026.

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