Comparison

PrepFE vs PPI

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

Head to head
About

PrepFE

Prepare for your FE exam with practice problems and flashcards. Learn engineering concepts and the FE Reference Handbook on the go. This app offers curated content by experts to help you start your professional engineering journey.

Highlights
  • Practice FE exam questions
  • Interactive practice exams
  • Hundreds of practice questions
  • Detailed step-by-step explanations
  • Flashcards for reference handbook
  • Progress tracking and analysis
Features
Read full description

Don't spend time relearning topics from scratch and using poor resources. Jump right into practice problems and learn by doing! Supplement your learning with flash cards to learn the FE Reference Handbook and be familiar with your discipline's concepts. Take your exam practice on the go and learn with our curated content by engineering experts. Study whenever and wherever it’s convenient with PrepFE™. No need to carry around books and study guides. All you need is your phone and determination. Start your Professional Engineer journey and download the PrepFE - Other Disciplines app. Install the free version today and jump start your studying! We have provided a limited free version of the app that you can try before deciding to upgrade. This version includes a limited set of practice questions, flash cards, and basic progress metrics. *Practice FE exam questions* *Interactive Practice Exams* *Hundreds of Practice Questions* *Detailed & Step-by-Step Explanations* *Reinforce learning with Flash Cards* *Breakdown of strengths and weaknesses* *Updated for 2020* We have up to date content for the new category specifications: • Mathematics • Probability and Statistics • Chemistry • Instrumentation and Controls • Engineering Ethics and Societal Impacts • Safety, Health, and Environment • Engineering Economics • Statics • Dynamics • Strength of Materials • Materials • Fluid Mechanics and Dynamics of Liquids • Fluid Mechanics • Basic Electrical Engineering • Thermodynamics and Heat Transfer

About

PPI

This mobile companion app provides on-the-go access to Kaplan's PPI online courses and learning hub. It syncs with your desktop account, offering Qbank quizzes, video lectures, flashcards, and progress tracking for test preparation.

Highlights
  • Qbank quizzes
  • Detailed question explanations
  • Video library
  • Flashcards
  • Progress tracking
  • Free trial access
Features
Read full description

MOBILE COMPANION APP FOR PPI, A KAPLAN COMPANY ONLINE COURSES AND LEARNING HUB Take your test prep on the go! Use this app for your actively enrolled accounts in PPI, a Kaplan Company Live Online, OnDemand, or Learning Hub courses. The app automatically syncs with your PPI desktop account—giving you on-the-go access to the following key resources from your course: - The ability to build and take Qbank quizzes - Detailed explanations for each question - Video Library so that you can watch all your course videos on your phone - Flashcards to memorize key concepts - Tracking that syncs everything you do in the app with your overall progress and performance If you're NOT already a PPI student, you can sign up within the app for a limited free trial that gives you access to: - FE Civil Flashcards - FE Civil Diagnostic Exams - FE Civil Exam information -ALWAYS AT THE CUTTING EDGE We constantly update our content, images, and questions so you can stay ahead of the curve. -GET STRATEGIC Step-by-step strategies walk you through each question. Review in-depth explanations and master the material. -LEARN FROM YOUR MISTAKES Detailed review materials and performance analytics help you continutally improve as you study.

Screenshots

PrepFE4 screens
PPI4 screens

Verdict

The call

The clearest difference is rating: PPI at 4.7 against PrepFE's 2.2. PPI also leads on in-app purchases (none vs 9). PrepFE's advantage is review sentiment (8% vs 0%) and iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads 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. PrepFE sells 6 one-off in-app purchases. PPI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PPI holds the better App Store score, 4.7 against 2.2. Both are backed by a comparable volume of ratings — 22 and 46 respectively. Written reviews complicate that: 8% of PrepFE's written reviews are positive against 0% of PPI's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

PrepFE ships an update every 2 months, PPI monthly. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
PrepFE versus PPI: the parameters behind the verdict, then further details
ParameterPrepFEPPI
PriceFreeFree
Rating2.2 (22 ratings)4.7 (46 ratings) — better
Positive reviews8.3% of reviews — better0.0% of reviews
Number of ratings2246 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size288 MB66 MB
Age rating4+4+
DeveloperPrepFE, Inc.Kaplan

Customer experience

PrepFE

All ratings22 ratings
Positive27.3%
Neutral4.5%
Negative68.2%
Written reviews12 reviews
Positive8.3%
Neutral0.0%
Negative91.7%

PPI

All ratings42 ratings
Positive92.9%
Neutral2.4%
Negative4.8%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

6 purchases

PrepFE

One-time6
  • 1 Month Access Renewal$47.99
  • 1 Month Access2 variants$59.99
  • 3 Months Access Renewal$61.99
Show 3 more
  • 6 Months Access Renewal$75.99
  • 3 Months Access2 variants$79.99
  • 6 Months Access2 variants$99.99
None

PPI

No in-app purchases

Questions

Is PrepFE free?
PrepFE is free to download, with in-app purchases available.
Is PPI free?
PPI is free to download, with no in-app purchases.
Which has better reviews, PrepFE or PPI?
PPI is rated higher. PrepFE averages 2.2 out of 5 from 22 ratings, while PPI averages 4.7 from 46 ratings.
Do PrepFE or PPI have ads?
Neither PrepFE nor PPI shows ads.
Which is updated more often, PrepFE or PPI?
PrepFE ships an update every 2 months, and PPI monthly. Most recently, PrepFE was updated on November 3, 2026 and PPI on November 3, 2026.

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