Comparison

Data Engineer Pro Prep vs DP

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

Head to head
About

Data Engineer Pro Prep

Features
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This application is an independent exam preparation resource and is not affiliated with, endorsed by, sponsored by, or associated with Google LLC or any of its subsidiaries. GCP-DPE (Google Cloud Professional Data Engineer) is a registered trademark of Google LLC. Prepare confidently for the Google Professional Data Engineer (GCP-DPE) exam. GCP-DPE Practice provides hundreds of carefully crafted practice questions. ā—† COMPREHENSIVE COVERAGE • practice sets covering all exam domains ā—† REALISTIC EXAM EXPERIENCE • Timed practice mode simulating the 120-minute exam • Single and multiple-choice questions in exam format • Exam readiness score to track your progress ā—† SMART STUDY TOOLS • Detailed explanations for every question • Spaced-repetition flashcards powered by FSRS algorithm • Bookmarks for quick review • Personal notes on any question • Per-domain accuracy to identify weak areas ā—† MULTILINGUAL • Available in English, Japanese, Korean, German, and Portuguese ā—† PRIVACY & OFFLINE • Works completely offline — no internet required • No ads, no tracking Start with free practice sets. Unlock all sets with a one-time purchase.

About

DP

Features
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PASS YOUR MICROSOFT CERTIFIED: AZURE DATABRICKS DATA ENGINEER ASSOCIATE EXAM Master Azure Databricks and earn your Data Engineering certification with 500+ expert practice questions. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Azure Databricks Data Engineer professionals earn up to $203K annually. This Microsoft certification validates your expertise in building production-grade data pipelines on the Azure Databricks platform, making you indispensable in today's data-driven job market. WHAT YOU'LL MASTER: • Azure Databricks Workspace Architecture • Unity Catalog Governance and Metastore Management • Delta Lake Storage and Table Management • Medallion Architecture (Bronze, Silver, Gold) • Lakeflow Jobs Orchestration and Scheduling • Lakeflow Spark Declarative Pipelines • Data Ingestion with Auto Loader and Structured Streaming • Databricks Asset Bundles for CI/CD Workflows • Liquid Clustering and Performance Optimization • PySpark and SQL Transformations • Table and Column-Level Security • Delta Sharing for Secure Data Distribution • MERGE INTO Operations and Schema Evolution • Azure Integrations (ADLS Gen2, Key Vault, Entra ID) • Spark UI Troubleshooting and Adaptive Query Execution STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into Data Engineering expertise. Download now. Pass your exam. Master Data Engineering.

Screenshots

Data Engineer Pro Prep4 screens
DP3 screens

Verdict

The call

The clearest difference is in-app purchases: DP at none against Data Engineer Pro Prep's 1. Data Engineer Pro Prep's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

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

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

UpkeepUpdate frequency

Data Engineer Pro Prep ships an update every 3 weeks, DP every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Data Engineer Pro Prep versus DP: the parameters behind the verdict, then further details
ParameterData Engineer Pro PrepDP
PriceFreeFree
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size86 MB27 MB
Age rating4+4+
DeveloperAITYTECHDavy Raitt

In-app purchases

1 purchases

Data Engineer Pro Prep

One-time1
  • Premium - Lifetime$3.99
None

DP

No in-app purchases

Questions

Is Data Engineer Pro Prep free?
Data Engineer Pro Prep is free to download, with in-app purchases available.
Is DP free?
DP is free to download, with no in-app purchases.
Do Data Engineer Pro Prep or DP have ads?
Neither Data Engineer Pro Prep nor DP shows ads.
Which is updated more often, Data Engineer Pro Prep or DP?
Data Engineer Pro Prep ships an update every 3 weeks, and DP every 4 months. Most recently, Data Engineer Pro Prep was updated on October 7, 2026 and DP on October 11, 2026.

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