Comparison

PDE Data Engineer Exam Prep vs 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

PDE Data Engineer Exam Prep

Features
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PASS YOUR PROFESSIONAL DATA ENGINEER 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 engineers earn up to $203K annually (Skillsoft 2024). Professional Data Engineer validates expertise in designing, building, and optimizing data infrastructure for enterprise applications. WHAT YOU'LL MASTER: Data security with IAM, encryption, and key management Data governance with project and dataset architecture Data pipelines with Dataflow, Apache Beam, and Cloud Data Fusion Pipeline orchestration with Cloud Composer and Workflows Storage solutions with BigQuery, BigLake, AlloyDB, Bigtable, and Spanner Data warehouse design and normalization strategies Data lakes with Dataplex and cost controls Batch and streaming transformations with windowing BigQuery ML for feature engineering and model training RAG preparation with unstructured data embeddings Analytics Hub for data sharing Performance optimization and cost management Disaster recovery and fault tolerance strategies STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into data engineering expertise. Download now. Pass your exam. Master Google Cloud data engineering.

About

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 Google Cloud Professional Data Engineer with 559 practice questions and 110 key terms. Study coverage Ā· 5 areas • Designing data processing systems • Ingesting and processing the data • Storing the data • Preparing and using data for analysis • Maintaining and automating data workloads 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. 3. Review mistakes and uncertain concepts Collect questions marked for review, recent errors and repeated mistakes. Filter by cumulative wrong-answer count and focus on weaker domains or difficulty levels. The glossary report connects your known/not-yet records with accuracy on related questions. 4. Check your preparation with a mock exam Practice time management with 50 questions in 120 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. 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

PDE Data Engineer Exam Prep3 screens
Data Engineer Exam Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: PDE Data Engineer Exam Prep at none against Data Engineer Exam Prep's 1. Data Engineer Exam Prep's advantage is update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement 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 Exam Prep sells 1 one-off in-app purchase. PDE Data Engineer Exam Prep asks for nothing beyond the download.

UpkeepUpdate frequency

PDE Data Engineer Exam Prep ships an update every 3 months, Data Engineer Exam Prep every 10 days. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Ā· 4 level
PDE Data Engineer Exam Prep versus Data Engineer Exam Prep: the parameters behind the verdict, then further details
ParameterPDE Data Engineer Exam PrepData Engineer Exam Prep
PriceFreeFree
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size27 MB106 MB
Age rating4+4+
DeveloperDavy RaittCHOI SEONGMIN

In-app purchases

None

PDE Data Engineer Exam Prep

No in-app purchases

1 purchases

Data Engineer Exam Prep

One-time1
  • Lifetime Access$4.99

Questions

Is PDE Data Engineer Exam Prep free?
PDE Data Engineer Exam Prep is free to download, with no in-app purchases.
Is Data Engineer Exam Prep free?
Data Engineer Exam Prep is free to download, with in-app purchases available.
Do PDE Data Engineer Exam Prep or Data Engineer Exam Prep have ads?
Neither PDE Data Engineer Exam Prep nor Data Engineer Exam Prep shows ads.
Which is updated more often, PDE Data Engineer Exam Prep or Data Engineer Exam Prep?
PDE Data Engineer Exam Prep ships an update every 3 months, and Data Engineer Exam Prep every 10 days. Most recently, PDE Data Engineer Exam Prep was updated on October 11, 2026 and Data Engineer Exam Prep on October 25, 2026.

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