Comparison

Data Engineer Cert Prep vs ADP GCP Data Practitioner Prep

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

ADP GCP Data Practitioner Prep

Features
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PASS YOUR ASSOCIATE DATA PRACTITIONER EXAM 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Certified Google Cloud data practitioners earn up to $203K annually (Skillsoft 2024). Associate Data Practitioner validates skills in securing and managing data on Google Cloud. WHAT YOU'LL MASTER: Data preparation with ETL, ELT, and data quality assessment Data ingestion with Storage Transfer Service and BigQuery Data Transfer Storage solutions including BigQuery, Cloud Storage, Firestore, and Spanner BigQuery SQL queries for analysis and reporting Jupyter notebooks and Colab Enterprise for visualization Looker dashboards and LookML for business intelligence BigQuery ML and AutoML for machine learning models Data pipelines with Dataproc, Dataflow, Cloud Data Fusion, and Cloud Composer Event-driven architectures with Pub/Sub and Eventarc IAM access control and least privilege principles Lifecycle management and Cloud Storage classes Disaster recovery with backup and replication strategies Encryption with CMEK, CSEK, and Cloud KMS STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into data engineering expertise. Download now. Pass your exam. Master Google Cloud data.

Screenshots

Data Engineer Cert Prep3 screens
ADP GCP Data Practitioner Prep3 screens

Verdict

The call

The clearest difference is in-app purchases: Data Engineer Cert Prep at none against ADP GCP Data Practitioner Prep's 3. ADP GCP Data Practitioner Prep's advantage is update cadence (every 3 months vs every 13 months). On price, ads, device support and iOS requirement 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. ADP GCP Data Practitioner Prep sells 3 in-app purchases, starting at $3.99 per month. Data Engineer Cert Prep asks for nothing beyond the download.

UpkeepUpdate frequency

Data Engineer Cert Prep ships an update every 13 months, ADP GCP Data Practitioner Prep every 3 months. Both last shipped on October 25, 2026.

Scorecard2 real differences ยท 4 level
Data Engineer Cert Prep versus ADP GCP Data Practitioner Prep: the parameters behind the verdict, then further details
ParameterData Engineer Cert PrepADP GCP Data Practitioner Prep
PriceFreeFree
Update frequencyEvery 13 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size1 MB27 MB
Age rating4+4+
DeveloperDjamgaTech CorpDavy Raitt

In-app purchases

None

Data Engineer Cert Prep

No in-app purchases

3 purchases

ADP GCP Data Practitioner Prep

Subscriptions2
  • Pro Monthly$3.991 Month
  • Pro Yearly7 Days trial$14.991 Year
One-time1
  • Pro Lifetime$19.99

Questions

Is Data Engineer Cert Prep free?
Data Engineer Cert Prep is free to download, with no in-app purchases.
Is ADP GCP Data Practitioner Prep free?
ADP GCP Data Practitioner Prep is free to download, with in-app purchases available.
Do Data Engineer Cert Prep or ADP GCP Data Practitioner Prep have ads?
Neither Data Engineer Cert Prep nor ADP GCP Data Practitioner Prep shows ads.
Which is updated more often, Data Engineer Cert Prep or ADP GCP Data Practitioner Prep?
Data Engineer Cert Prep ships an update every 13 months, and ADP GCP Data Practitioner Prep every 3 months. Most recently, Data Engineer Cert Prep was updated on October 25, 2026 and ADP GCP Data Practitioner Prep on October 25, 2026.

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