Comparison

IT Mastery vs PDE Data Engineer Exam Prep

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

Head to head
About

IT Mastery

Features
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Prepare for IT certifications and technical interviews while building the knowledge behind the answers. IT Mastery brings together original practice questions for cloud computing, AI, cybersecurity, networking, data and programming. UNDERSTAND AND APPLY Work through technical scenarios and explanations that connect an answer to the problem it solves. Read code, interpret configuration and logs, compare design choices, and reason through troubleshooting decisions in selected collections. Selected questions include architecture diagrams, charts and tables to make relationships easier to inspect. Code examples may use simplified snippets or pseudocode to focus on the concept. These are question-based exercises, not live coding environments or hands-on labs. Practice includes single-answer questions and questions asking you to select more than one answer. These formats help you compare related ideas and apply what you know; they may differ from your official exam. EXPLORE YOUR SUBJECTS - Cloud and AI: AWS Cloud Practitioner, Solutions Architect and AI Practitioner; Microsoft Azure administration and AI, including AI-103; Google Cloud engineering, architecture and machine learning. - Networking and security: Cisco CCNA, CompTIA networking and security, ISACA CISA, ISC2 Certified in Cybersecurity, and related subjects. - Data and analytics: Microsoft Power BI, Databricks, Snowflake and DAMA data management. - Development and tools: Python, Java, SQL, GitHub, HashiCorp Terraform, software testing and ServiceNow administration. ORIGINAL KAFKA INTERVIEW PRACTICE Explore Kafka Design Patterns and Kafka Platform Architecture and Operations, including Red Hat Streams on OpenShift scenarios. Work through engineering decisions, trade-offs and operational problems to prepare for technical discussions. Browse the in-app library for exact exam names, versions and available subjects. Separately labeled early-preparation collections may cover an upcoming outline. Check your chosen exam's official requirements before planning your study. STUDY YOUR WAY Choose focused topic practice or mixed timed sessions. Pause for a study break, review previous attempts and use topic results to decide what to revisit. Explore related-term cards where available. Question formats, diagrams and study content vary by collection. PREVIEW AND ACCESS Start with a limited free preview without registering. Full access is paid; available subscriptions and passes are shown in the app. Subscriptions renew automatically unless canceled. One-time access passes expire without renewal. Registered subscribers can use the same IT Mastery account on iPhone, iPad, Mac and the web at MasteryExamPrep.com. Their subscription covers this app's library across supported devices, with no separate web subscription needed. Internet access is required. Content is in English. IT Mastery is an independent educational product, not affiliated with or endorsed by certification providers. Questions are original practice material, not actual exam questions. Use them alongside official study materials and practical experience. Practice scores do not predict exam results or guarantee certification. Provider and exam names identify the subjects covered. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

Screenshots

IT Mastery4 screens
PDE Data Engineer Exam Prep3 screens

Verdict

The call

The clearest difference is in-app purchases: PDE Data Engineer Exam Prep at none against IT Mastery's 4. IT Mastery's advantage is update cadence (every 8 days vs every 3 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. IT Mastery sells 4 in-app purchases, starting at $14.99 per month. PDE Data Engineer Exam Prep asks for nothing beyond the download.

UpkeepUpdate frequency

IT Mastery ships an update every 8 days, PDE Data Engineer Exam Prep every 3 months. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

Scorecard2 real differences ยท 4 level
IT Mastery versus PDE Data Engineer Exam Prep: the parameters behind the verdict, then further details
ParameterIT MasteryPDE Data Engineer Exam Prep
PriceFreeFree
Update frequencyEvery 8 days โ€” betterEvery 3 months
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.615.0 โ€” better
Further details โ€” not scored
Size89 MB27 MB
Age rating17+4+
DeveloperTokenizer Inc.Davy Raitt

In-app purchases

4 purchases

IT Mastery

Subscriptions3
  • Mastery Cloud & IT โ€“ Monthly$14.991 Month
  • Mastery Cloud & IT โ€“ Quarterly$29.993 Months
  • Mastery Cloud & IT โ€“ Annual$199.991 Year
One-time1
  • IT Mastery 7-Day Access Pass$4.99
None

PDE Data Engineer Exam Prep

No in-app purchases

Questions

Is IT Mastery free?
IT Mastery is free to download, with in-app purchases available.
Is PDE Data Engineer Exam Prep free?
PDE Data Engineer Exam Prep is free to download, with no in-app purchases.
Do IT Mastery or PDE Data Engineer Exam Prep have ads?
Neither IT Mastery nor PDE Data Engineer Exam Prep shows ads.
Which is updated more often, IT Mastery or PDE Data Engineer Exam Prep?
IT Mastery ships an update every 8 days, and PDE Data Engineer Exam Prep every 3 months. Most recently, IT Mastery was updated on September 30, 2026 and PDE Data Engineer Exam Prep on September 24, 2026.

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