Comparison

Data Engineer Pro Prep vs DEA Data Engineer Exam Prep

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

DEA Data Engineer Exam Prep

Features
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Study on your phone. Continue on desktop. Use your phone on the move and a tablet or desktop when you want more room to study. Connect the same StudyCert account to continue your learning in the app and on the desktop web. Prepare for AWS Certified Data Engineer - Associate (DEA-C01) with 516 practice questions and 160 key terms. Study coverage Ā· 4 areas • Data Ingestion and Transformation • Data Store Management • Data Operations and Support • Data Security and Governance 1. Build your foundation with key terms Use flashcards to learn meanings, exam context and selection cues. Mark terms as known or not yet known, then revisit unstudied or unfamiliar cards. Edit card content to suit your learning and restore the original when needed. 2. Practice and understand each answer Study in 50-question sets, by domain or by difficulty. Work through single- and multiple-choice questions, then read the explanation for the answer and each option. Choose all, unfinished or wrong questions; shuffle questions and choices; use a study timer; and resume where you left off. From the results of domain study, continue with key terms and related questions in the next domain. 3. Review mistakes and uncertain concepts Choose recent errors, review marks or repeated mistakes on the Review screen and practice them again. Check accuracy by domain alongside the terms you know or still need to learn. The glossary report shows term-learning status and accuracy on related questions together. 4. Check your preparation with a mock exam Practice time management with 65 questions in 130 minutes. Change answers before submission, resume a saved exam and receive grading when time expires. Afterwards, see correct, wrong and unanswered counts, your score and domain results, then revisit mistakes. This practice feature uses the included questions and does not determine an official exam score or pass result. Tools that fit your study routine Optional audio study reads terms and meanings aloud. Choose whether to include exam context and selection cues, set repeats and pauses, and control playback with the mini player. A study calendar, learning streaks, weekly goals, reminders for unmet goals and light, dark or system themes support your routine. Learning records are managed for each supported language. Some features require paid access. Check the included features and price on the purchase screen. Purchase restoration is supported. This is an independent study aid, not an official, affiliated or endorsed app of any exam administrator or certification body. Exam names and trademarks belong to their respective owners.

Screenshots

Data Engineer Pro Prep4 screens
DEA Data Engineer Exam Prep4 screens

Verdict

The call

The clearest difference is update cadence: DEA Data Engineer Exam Prep at every 5 days against Data Engineer Pro Prep's every 3 weeks. Data Engineer Pro Prep's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases 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 and DEA Data Engineer Exam Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Data Engineer Pro Prep ships an update every 3 weeks, DEA Data Engineer Exam Prep every 5 days. Both last shipped on October 31, 2026.

Scorecard2 real differences Ā· 4 level
Data Engineer Pro Prep versus DEA Data Engineer Exam Prep: the parameters behind the verdict, then further details
ParameterData Engineer Pro PrepDEA Data Engineer Exam Prep
PriceFreeFree
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size86 MB130 MB
Age rating4+4+
DeveloperAITYTECHCHOI SEONGMIN

In-app purchases

1 purchases

Data Engineer Pro Prep

One-time1
  • Premium - Lifetime$3.99
1 purchases

DEA Data Engineer Exam Prep

One-time1
  • DEA Lifetime Access$4.99

Questions

Is Data Engineer Pro Prep free?
Data Engineer Pro Prep is free to download, with in-app purchases available.
Is DEA Data Engineer Exam Prep free?
DEA Data Engineer Exam Prep is free to download, with in-app purchases available.
Do Data Engineer Pro Prep or DEA Data Engineer Exam Prep have ads?
Neither Data Engineer Pro Prep nor DEA Data Engineer Exam Prep shows ads.
Which is updated more often, Data Engineer Pro Prep or DEA Data Engineer Exam Prep?
Data Engineer Pro Prep ships an update every 3 weeks, and DEA Data Engineer Exam Prep every 5 days. Most recently, Data Engineer Pro Prep was updated on October 31, 2026 and DEA Data Engineer Exam Prep on October 31, 2026.

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