Comparison

PDE Pro Database Engineer vs GCP 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 Pro Database Engineer

Features
Read full description

PASS YOUR PROFESSIONAL CLOUD DATABASE 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 database engineers earn up to $203K annually (Skillsoft 2024). Professional Cloud Database Engineer validates expertise in designing, managing, and troubleshooting scalable database solutions. WHAT YOU'LL MASTER: Database capacity planning and performance tuning High availability with multi-regional and zonal strategies Database connectivity with networking and encryption Managed vs unmanaged services comparison SQL and NoSQL requirements for structured and unstructured data IAM and access management for database security Monitoring with query optimization and resource contention Backup and recovery with RTO, RPO, and PITR Cost optimization and scaling strategies Database migration with zero-downtime and fallback plans Replication strategies and read replicas Generative AI and LLM database use cases STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into database engineering expertise. Download now. Pass your exam. Master Google Cloud databases.

About

GCP Data Engineer Exam Prep

Features
Read full description

Prepare for GCP Data Engineer with one connected flow from core concepts to practice, review, and mock exams. Official credential reference: Google Cloud Professional Data Engineer The current question bank contains 559 questions. Study in 50-question sets or focus by domain, subdomain, and difficulty. Single-select and multiple-select items are supported where applicable. Immediately after answering, check the correct-answer explanation and the reasoning for every choice so you understand both why the answer is correct and why the alternatives do not fit. Structured study and records • 50-question set learning plus domain, subdomain, and difficulty filters • Immediate grading, correct-answer explanations, and choice-by-choice rationales • Separate saved progress and resume for set, domain, and difficulty study and for mock exams • A study-history calendar with daily question and key-term activity, monthly totals, and study streaks • Review of wrong answers, repeated misses, review notes, and weak-area analysis • Timed mock exams that hide explanations until submission, allow answer changes before submission, and show results by domain • Weekly goal reminders with a configurable notification time • Light, dark, and system themes A smooth learning flow Move quickly among Home, Study, Review, Mock Exam, and Settings. Each mode keeps its own learning state, and moving to the next item after a long explanation automatically returns the new question card to the top. Basic terms and optional audio study Use the basic-term flashcards as the primary memorization tool. When useful, turn on automatic audio playback to repeat key terms while walking, resting, or preparing for sleep without continuously reading the screen. The questions in this app are current as of August 2026, and we plan to review and update every exam’s question bank at least once a year. The questions are independently authored for study and do not reproduce live exam items, dumps, leaked questions, or third-party question banks. This is an independent study app and is not affiliated with, endorsed by, or sponsored by any certification body, exam provider, or trademark owner. Exam names and trademarks belong to their respective owners.

Screenshots

PDE Pro Database Engineer3 screens
GCP Data Engineer Exam Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: PDE Pro Database Engineer at none against GCP Data Engineer Exam Prep's 1. GCP 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 · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

PDE Pro Database Engineer ships an update every 3 months, GCP Data Engineer Exam Prep every 10 days. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 4 level
PDE Pro Database Engineer versus GCP Data Engineer Exam Prep: the parameters behind the verdict, then further details
ParameterPDE Pro Database EngineerGCP Data 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
Size30 MB99 MB
Age rating4+4+
DeveloperDavy RaittCHOI SEONGMIN

In-app purchases

None

PDE Pro Database Engineer

No in-app purchases

1 purchases

GCP Data Engineer Exam Prep

One-time1
  • Lifetime Access$4.90

Questions

Is PDE Pro Database Engineer free?
PDE Pro Database Engineer is free to download, with no in-app purchases.
Is GCP Data Engineer Exam Prep free?
GCP Data Engineer Exam Prep is free to download, with in-app purchases available.
Do PDE Pro Database Engineer or GCP Data Engineer Exam Prep have ads?
Neither PDE Pro Database Engineer nor GCP Data Engineer Exam Prep shows ads.
Which is updated more often, PDE Pro Database Engineer or GCP Data Engineer Exam Prep?
PDE Pro Database Engineer ships an update every 3 months, and GCP Data Engineer Exam Prep every 10 days. Most recently, PDE Pro Database Engineer was updated on September 8, 2026 and GCP Data Engineer Exam Prep on September 20, 2026.

Other comparisons