Comparison

PrepFE vs Mechanical Aptitude Test

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 Aptitude Test

Prepare for the Bennett Mechanical Comprehension Test with practice questions, interactive lessons, and progress tracking. Master concepts like gravity, forces, and machinery to improve your mechanical aptitude.

Highlights
  • 200+ practice questions
  • 4 full-length practice tests
  • Interactive lessons on key topics
  • Detailed answer explanations
  • Timed test simulation
  • Progress tracking
  • Save favorite questions
Features
Read full description

Prepare for your mechanical aptitude test, plus 5 trade and apprenticeship tests: IBEW, EEI CAST, Postal Exam 955, Ramsay maintenance and EIAT elevator. 11,000+ practice questions, 60 full-length mock exams and 60+ interactive lessons, with an explanation for every answer. Start free: every test includes free practice sets and a free mock exam. FORMERLY BENNETT TEST PRO Same app, new name, a rebuilt mechanical aptitude question bank and 5 new tests. Already subscribed? Your subscription carries over. 6 TESTS IN ONE APP Pick your test when you open the app. Each one has its own questions, mock exams, lessons and subscription. MECHANICAL APTITUDE (BENNETT-STYLE) For the mechanical comprehension tests used in hiring and apprenticeship selection. • 1,800+ illustrated questions across 12 topics: pulleys and levers, gears and belt drives, hydraulics, center of gravity, gravity and velocity, forces and inertia, structures and slopes, electricity, heat, acoustics and optics, shape and volume, and other mechanisms • 10 Bennett-style mock exams of 55 questions, 130+ practice sets and 12 interactive lessons IBEW APTITUDE TEST For electrical apprenticeship applicants. • 1,800+ questions on algebra, functions and reading comprehension, plus mechanical reasoning and paper folding • 10 full-length mock exams of 69 questions (no calculator), 120 practice sets and 12 interactive lessons EEI CAST For the Construction and Skilled Trades test used by electric utilities. • 1,500 questions on the 4 subtests: mechanical concepts, graphic arithmetic, mathematical usage and reading for comprehension • 10 full-length mock exams of 110 questions, 40 practice sets and 4 interactive lessons POSTAL EXAM 955 For postal maintenance and electronics technician jobs. • 1,800 questions on electrical and electronic systems, mechanical and fluid power systems, and spatial visualization • 10 full-length mock exams of 60 questions, 120 practice sets and 12 interactive lessons RAMSAY MAINTENANCE TESTS For maintenance mechanic, electrician and multicraft hiring tests. • 1,800 questions on mechanical maintenance, industrial electricity and controls, print reading and maintenance math • 10 full-length mock exams of 60 questions, 120 practice sets and 12 interactive lessons EIAT ELEVATOR INDUSTRY APTITUDE TEST For elevator mechanic apprenticeship applicants. • 2,200 questions on reading comprehension, mechanical aptitude, math without a calculator and tool knowledge • 10 full-length mock exams of 100 questions, 120 practice sets and 12 interactive lessons HOW YOU PRACTICE • Practice sets to work topic by topic, with a clear explanation for every answer • Full-length mock exams in the real test format: time yourself to train under exam conditions • Interactive lessons that explain the principle behind each type of question • An AI study assistant that answers your questions, included with a subscription SUBSCRIPTIONS Each test has its own subscription, monthly or for 6 months, which unlocks all practice sets, mock exams, lessons and the AI study assistant for that test. Prices are shown in the app before you buy. Payment is charged to your Apple Account when you confirm the purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscriptions in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Sale: https://app.mechanicalexams.com/cgv Privacy Policy: https://app.mechanicalexams.com/privacy Mechanical Exams is an independent test-prep publisher, not affiliated with or endorsed by Pearson/TalentLens, the IBEW/NECA, the USPS, the Edison Electric Institute, Ramsay Corporation or NEIEP/IUEC. Test names are used only to identify the exams we prepare for.

Screenshots

PrepFE4 screens
Mechanical Aptitude Test4 screens

Verdict

The call

The clearest difference is rating: Mechanical Aptitude Test at 3.3 against PrepFE's 2.0. Mechanical Aptitude Test also leads on review sentiment (58% vs 17%). PrepFE's advantage is iOS requirement (13.0 vs 15.0). 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 and Mechanical Aptitude Test sells 10 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mechanical Aptitude Test holds the better App Store score, 3.3 against 2.0. Both are backed by a comparable volume of ratings — 58 and 38 respectively. Written reviews point the same way: 17% of PrepFE's written reviews are positive against 58% of Mechanical Aptitude Test's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 14, 2026 respectively.

Scorecard3 real differences · 7 level
PrepFE versus Mechanical Aptitude Test: the parameters behind the verdict, then further details
ParameterPrepFEMechanical Aptitude Test
PriceFreeFree
Rating2.0 (58 ratings)3.3 (38 ratings) — better
Positive reviews16.7% of reviews57.6% of reviews — better
Number of ratings58 — better38
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size288 MB22 MB
Age rating4+4+
DeveloperPrepFE, Inc.ARENA (Apps)

Customer experience

PrepFE

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

Mechanical Aptitude Test

All ratings38 ratings
Positive55.3%
Neutral2.6%
Negative42.1%
Written reviews33 reviews
Positive57.6%
Neutral3.0%
Negative39.4%

Bugs and requests

PrepFE

Not enough reviews yet to summarise bugs or requests.

Mechanical Aptitude Test

Reported bugs

7 issues
  • App crashes after purchase
  • App crashes before opening
  • App crashes after first test
  • App crashes when trying to reopen
  • App disappears when clicked
Show 2 more
  • Cannot access app after payment
  • Purchased app keeps crashing

Requested features

4 requests
  • Explain why answers are wrong
  • Fix bug where correct answers are marked incorrect
  • Ensure only one correct answer per question
  • Include missing drawings and labels

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
10 purchases

Mechanical Aptitude Test

Subscriptions9
  • Unlock All Questions$14.991 Month
  • EEI CAST Test - Monthly$14.991 Month
  • Bennett Premium - 6 Months Launch$34.996 Months
Show 6 more
  • Postal Exam 955 - Welcome$34.996 Months
  • EEI CAST Test - Welcome$34.996 Months
  • Bennett Premium - 6 Months$49.996 Months
  • Postal Exam 955 - 6 Months$49.996 Months
  • Ramsay Maintenance - 6 Months$49.996 Months
  • EEI CAST Test - 6 Months$49.996 Months
One-time1
  • Buy For $9.99$9.99

Questions

Is PrepFE free?
PrepFE is free to download, with in-app purchases available.
Is Mechanical Aptitude Test free?
Mechanical Aptitude Test is free to download, with in-app purchases available.
Which has better reviews, PrepFE or Mechanical Aptitude Test?
Mechanical Aptitude Test is rated higher. PrepFE averages 2.0 out of 5 from 58 ratings, while Mechanical Aptitude Test averages 3.3 from 38 ratings.
Do PrepFE or Mechanical Aptitude Test have ads?
Neither PrepFE nor Mechanical Aptitude Test shows ads.
Which is updated more often, PrepFE or Mechanical Aptitude Test?
PrepFE ships an update every 2 months, and Mechanical Aptitude Test every 2 months. Most recently, PrepFE was updated on November 2, 2026 and Mechanical Aptitude Test on November 14, 2026.

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