Comparison

Professional Data Engineer vs AWS 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

Professional Data Engineer

Features
Read full description

Non-Affiliation Disclaimer (Google Professional Data Engineer) This app is an independent exam preparation resource and is not affiliated with, endorsed by, or connected with Google or Google Cloud. All practice materials are created solely for learning and study purposes. Trademark Notice (Google Professional Data Engineer) Google, Google Cloud, and Google Cloud Professional Data Engineer are trademarks or registered trademarks of Google LLC.
Any references to Google Cloud exams or terminology are for identification only and do not imply official endorsement. ===== There are many questions on the web that are either outdated or wrongly answered. I am trying here to filter all those questions and provide you with a nice tool to practice the exam similar to the real-life exam as much as possible. This small app was designed with love to help you 5 things: 1. question content is updated monthly in 2026, so you don’t have to worry that these question is outdated anymore. 2. With 2 EXACT-FILTERING features, you can focus easily on questions you are making mistakes or missing. 3. Save difficult questions offline. So you can practice them later when you have free time. 4. Examination mode will help you take test like a real exam. So you will be more confident. 5. NEARLY-100% questions are packed with straightforward explanations. You will know why it is correct or wrong. No more confusing. In sum, this app is simple and straight-to-the-point like description you are reading. Have fun and enjoy the app!

About

AWS Data Engineer Exam Prep

Prepare for the AWS Data Engineer Associate exam with realistic practice questions and mock tests. Learn from instant feedback and detailed explanations to master key concepts and study efficiently.

Highlights
  • 1,950 updated questions
  • 30 structured practice tests
  • Instant feedback and answers
  • Detailed explanations
  • Study anytime, anywhere
  • Simulates real exam experience
Features
Read full description

Prepare confidently for your AWS Data Engineer Associate exam (DEA-C01). This app includes 1,950 realistic questions, organised into 30 practice tests that simulate the real exam experience. Each question includes instant answers and explanations, helping you learn from mistakes and focus on what matters most. Whether you are new to AWS data engineering or validating your skills, this app helps you study efficiently and save time. Features: • 1,950 updated questions covering AWS Data Engineer topics • 30 structured practice tests • Instant feedback and correct answers • Study anytime, anywhere at your own pace Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Professional Data Engineer4 screens
AWS Data Engineer Exam Prep4 screens

Verdict

The call

The clearest difference is ads: Professional Data Engineer at none against AWS Data Engineer Exam Prep's shown. Professional Data Engineer also leads on iOS requirement (10.0 vs 16.4). On price, update cadence, in-app purchases and device support 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. Professional Data Engineer sells 1 one-off in-app purchase and AWS Data Engineer Exam Prep sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Professional Data Engineer ships an update every 13 months, AWS Data Engineer Exam Prep every 7 months. The most recent releases landed on September 6, 2026 and July 6, 2026 respectively.

Scorecard2 real differences · 8 level
Professional Data Engineer versus AWS Data Engineer Exam Prep: the parameters behind the verdict, then further details
ParameterProfessional Data EngineerAWS Data Engineer Exam Prep
PriceFreeFree
Rating2.0 (2 ratings) — better
Positive reviews0.0% of reviews
Number of ratings2 — better
Update frequencyEvery 13 monthsEvery 7 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better16.4
Further details — not scored
Size25 MB63 MB
Age rating4+4+
DeveloperTrieu TranKoray Salman

In-app purchases

1 purchases

Professional Data Engineer

One-time1
  • Unlock complete App$9.99
2 purchases

AWS Data Engineer Exam Prep

Subscriptions2
  • Ad-Free Subscription - Weekly$1.997 Days
  • Ad-Free Subscription - Monthly$5.991 Month

Questions

Is Professional Data Engineer free?
Professional Data Engineer is free to download, with in-app purchases available.
Is AWS Data Engineer Exam Prep free?
AWS Data Engineer Exam Prep is free to download, with in-app purchases available.
Do Professional Data Engineer or AWS Data Engineer Exam Prep have ads?
AWS Data Engineer Exam Prep shows ads; Professional Data Engineer does not.
Which is updated more often, Professional Data Engineer or AWS Data Engineer Exam Prep?
Professional Data Engineer ships an update every 13 months, and AWS Data Engineer Exam Prep every 7 months. Most recently, Professional Data Engineer was updated on September 6, 2026 and AWS Data Engineer Exam Prep on July 6, 2026.

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