Comparison

Box Method Multiplication vs Data Engineer Cert Prep

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

Head to head
About

Box Method Multiplication

Features
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Box method multiplication is now part of the core curriculum in many school districts across the country. This app was created in response to multiple requests from teachers, parents and students wanting an app to help with the increasing popularity of box method multiplication. With this app, you can enter two numbers, and it will create the grid, fill in all the numbers in the correct boxes, and show you exactly how to solve your multiplication problem using the box method. The app is fast, intuitive, and easy to use. It is a standalone app, which means that it will work perfectly fine in places with little or no Internet access. We hope that the Box Method Multiplication app will become one of your favorite math apps.

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.

Screenshots

Box Method Multiplication4 screens
Data Engineer Cert Prep3 screens

Verdict

The call

The clearest difference is price: Data Engineer Cert Prep at Free against Box Method Multiplication's $0.99. Box Method Multiplication's advantage is iOS requirement (14.0 vs 16.0). On 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

Data Engineer Cert Prep is free to download; Box Method Multiplication costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences ยท 4 level
Box Method Multiplication versus Data Engineer Cert Prep: the parameters behind the verdict, then further details
ParameterBox Method MultiplicationData Engineer Cert Prep
Price$0.99Free โ€” better
Update frequencyโ€”Every 13 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS14.0 โ€” better16.0
Further details โ€” not scored
Size1 MB1 MB
Age rating4+4+
DeveloperH ValeurDjamgaTech Corp

In-app purchases

None

Box Method Multiplication

No in-app purchases

None

Data Engineer Cert Prep

No in-app purchases

Questions

Is Box Method Multiplication free?
Box Method Multiplication costs $0.99, with no in-app purchases.
Is Data Engineer Cert Prep free?
Data Engineer Cert Prep is free to download, with no in-app purchases.
Do Box Method Multiplication or Data Engineer Cert Prep have ads?
Neither Box Method Multiplication nor Data Engineer Cert Prep shows ads.

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