Comparison

PrepFE vs Mechanical Engineering Book

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 the FE Mechanical exam with practice problems and flashcards. Learn by doing with expert-curated content, track your progress, and identify areas for improvement. Study conveniently on your mobile device, anytime, anywhere.

Highlights
  • Practice FE exam questions
  • Interactive practice exams
  • Hundreds of practice questions
  • Detailed step-by-step explanations
  • Reinforce learning with flashcards
  • Breakdown of strengths and weaknesses
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 - Mechanical 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 • Ethics and Professional Practice • Engineering Economics • Electricity and Magnetism • Statics • Dynamics, Kinematics, and Vibrations • Mechanics of Materials • Material Properties and Processing • Fluid Mechanics • Thermodynamics • Heat Transfer • Measurements, Instrumentation, and Controls • Mechanical Design and Analysis

About

Mechanical Engineering Book

This app provides a comprehensive guide to mechanical engineering, covering fundamental concepts, key terms, and essential formulas. It's designed for students and professionals to deepen their understanding of machine mechanisms and engineering principles.

Highlights
  • Learn mechanical engineering principles
  • Understand machine mechanisms
  • Access engineering formulas and equations
  • Explore engineering facts
  • Covers thermodynamics, materials science, and more
  • Designed for professionals and students
Features
Read full description

Learn Mechanical Engineering is a professional app to Learning Mechanical Engineering which to helps people to understand the working mechanisms of machines. Learn Mechanical Engineering is designed for mechanism as well research by professional engineers. Learn Mechanical Engineering is the study, design, development, construction, and testing of mechanical and thermal sensors and devices, including tools, machines, and machines. Mechanical engineering careers center on creating technology. Learn Mechanical Engineering Terms and lots of Engineering Equations, Engineering Formulas and Engineering Facts, this Engineering App will sure cement of basics to advanced engineering. Topics - Introduction - Thermodynamics - Engineering Materials - Mechanical Measurement - Machine Tools - Casting And Welding - Properties Of Gases - Fuels And Combustion - Power Plant Engineering - Internal Combustion Engines - Steam Engine, Steam And Gas Turbines - Properties Of Steam And Steam - Stress And Strain - Lifting Machines - Flywheel - Heat Transfer - Air Conditioning - Power Transmission - Coupling, Clutch, And Brake - Air Compressors - Fluid Mechanics And Hydraulic Machines - Mechanical Working Of Metals & Metal Sheet - Manufacturing Systems - Unconventional Machining Processes Why Learn Mechanical Engineering Mechanical engineers design and build solutions to a range of problems, improving efficiency across a wide range of industries. By studying mechanical engineering, you can look forward to good job prospects, high salaries, and varied work Mechanical engineering is an engineering branch that combines engineering physics and mathematics principles with materials science, to design, analyze, manufacture, and maintain mechanical systems. It is one of the oldest and broadest of the engineering branches. Engineering is the use of scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad range of more specialized fields of engineering.

Screenshots

PrepFE4 screens
Mechanical Engineering Book4 screens

Verdict

The call

The clearest difference is price: PrepFE at Free against Mechanical Engineering Book's $1.99. PrepFE also leads on update cadence (every 2 months vs every 11 months) and review sentiment (17% vs 0%). Mechanical Engineering Book's advantage is rating (4.7 vs 2.0) and in-app purchases (none vs 9). On ads 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

PrepFE is free to download; Mechanical Engineering Book costs $1.99 up front. PrepFE sells 6 one-off in-app purchases. Mechanical Engineering Book asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mechanical Engineering Book holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 57 and 12 respectively. Written reviews complicate that: 17% of PrepFE's written reviews are positive against 0% of Mechanical Engineering Book'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, Mechanical Engineering Book every 11 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard8 real differences · 2 level
PrepFE versus Mechanical Engineering Book: the parameters behind the verdict, then further details
ParameterPrepFEMechanical Engineering Book
PriceFree — better$1.99
Rating2.0 (57 ratings)4.7 (12 ratings) — better
Positive reviews16.7% of reviews — better0.0% of reviews
Number of ratings57 — better12
Update frequencyEvery 2 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size288 MB38 MB
Age rating4+4+
DeveloperPrepFE, Inc.Haroon Khalil

Customer experience

PrepFE

All ratings57 ratings
Positive24.6%
Neutral0.0%
Negative75.4%
Written reviews42 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

Mechanical Engineering Book

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Mechanical Engineering Book

No in-app purchases

Questions

Is PrepFE free?
PrepFE is free to download, with in-app purchases available.
Is Mechanical Engineering Book free?
Mechanical Engineering Book costs $1.99, with no in-app purchases.
Which has better reviews, PrepFE or Mechanical Engineering Book?
Mechanical Engineering Book is rated higher. PrepFE averages 2.0 out of 5 from 57 ratings, while Mechanical Engineering Book averages 4.7 from 12 ratings.
Do PrepFE or Mechanical Engineering Book have ads?
Neither PrepFE nor Mechanical Engineering Book shows ads.
Which is updated more often, PrepFE or Mechanical Engineering Book?
PrepFE ships an update every 2 months, and Mechanical Engineering Book every 11 months. Most recently, PrepFE was updated on October 8, 2026 and Mechanical Engineering Book on October 1, 2026.

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