Comparison

Mechanical Test Trainer vs Peterson's Test Prep

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

Head to head
About

Mechanical Test Trainer

Prepare for mechanical aptitude tests with over 300 practice questions. Track your progress with detailed explanations and customized test modes. Improve your understanding of mechanical concepts and tools.

Highlights
  • Over 300 practice questions
  • Detailed answer explanations
  • Customizable test modes
  • Progress tracking and score charts
  • Mechanical comprehension and knowledge practice
  • Electrical knowledge and tools sections
Features
Read full description

Preparing for a Mechanical Aptitude Test or simply wish to set your mechanical understanding and knowledge to the test? Either way, this app is for you! Preparation can be the difference between passing and failing your aptitude test. Give yourself the best preparation possible with the Mechanical Test Trainer. Practice more than 300 questions divided into 4 categories. After each practice session your results with score are displayed, you can review questions and read a detailed explanation of almost every answer. Your results are stored so that you can follow the progress of your training. YOU choose how to prepare: 1: Select practice or test mode 2: Choose one or more categories to train 3: Select the number of questions 4: Start your preparation! Features: - Detailed explanation of the correct answer - 284 different questions - Customized tests - Score progression chart - Answer statistics - Two modes of training - Compare with previous test-takers. - Retake or review all your previous tests. - Advanced algorithm allows for randomized questions and avoids the repetition of questions Categories: - Mechanical Comprehension - Mechanical Knowledge - Electrical Knowledge - Mechanical Tools

About

Peterson's Test Prep

Prepare for standardized tests to achieve your educational and career goals. Access a vast library of courses and practice materials for college entrance, military, and professional certifications. Syncs seamlessly with a web platform for flexible learning.

Highlights
  • Diagnostic tests
  • Practice exams
  • Interactive lessons
  • Flashcards
  • Expert strategies
  • Web-based access
  • Cross-platform syncing
Features
Read full description

Boost your college entrance exam scores and get into the school of your dreams. Improve your ASVAB score to unlock more career opportunities, higher bonuses, and greater enlistment options in the military. Set your child up for success on their private school entrance exam. Skip the classroom and earn college credit affordably by passing Credit by Exam courses on the first try. It doesn’t matter where you are in your education, career, or military journey, Peterson's Test Prep is here to help you reach your goals with confidence and success. The Peterson's Test Prep app seamlessly syncs with our intuitive web-based platform, allowing you to pick up where you left off, whether you're on your computer or phone—so you can stay on track without missing a beat. With proven tools and expert-designed learning methods, success is within reach. Enjoy features that help you perform at your best, including: Diagnostic tests, practice exams, mini-quizzes, and flashcards Engaging, interactive lessons and videos Effective strategies for acing your exam Web-based access to all our comprehensive courses With over 250 test prep courses and practice tests, Peterson's Test Prep will guide you every step of the way. Check out our course catalog: College exams: - ACT - Accuplacer - AP Chemistry - AP Microeconomics - PSAT/NMSQT Career exams: - Alcohol and Drug Counselor - Commercial Drivers License (CDL) - Court Officer - Civil Service - EMT - FBI Agent - ICE Special Agent - NCLEX-RN - Pharmacy Technician - Praxis Core, Praxis Early Childhood - Praxis Elementary - Praxis Mathematics - Praxis Middle School - Praxis ParaPro - Public Safety Dispatcher/911 Operator - Real Estate - State Trooper - TABE - Treasury Enforcement Agent - U.S. Border Patrol Agent - Vet Technician Military exams: - AFOQT - ASVAB - ASTB-E - OAR - NAPT - SIFT High School Placement: - HiSET - HSPT - ISEE - SSAT - TACHS High School Equivalency: - GED Credit by Exam: - CLEP (American Government, American Literature, Analyzing and Interpreting Literature, Biology, Business Law, Calculus, Chemistry, College Algebra, College Composition, College Mathematics, Educational Psychology, English Literature, Financial Accounting, French, Human Growth and Development, Humanities, Information Systems, Introductory Psychology, Introductory Sociology, Natural Sciences, Pre-Calculus, Principles of Macroeconomics, Principles of Management, Principles of Marketing, Principles of Microeconomics, Social Sciences and History, Spanish, U.S. History I, U.S. History II, Western Civilization I, Western Civilization II) - DSST (Astronomy, Business Ethics and Society, Business Math, Civil War and Reconstruction, College Algebra, Computing and Information Technology, Criminal Justice, Environmental Science, Ethics in America, Ethics in Technology, Foundations of Education, Fundamentals of Counseling, Fundamentals of Cybersecurity, General Anthropology, Health and Human Development, History of the Soviet Union, Human Resources Management, Introduction to Business, Introduction to Geography, Introduction to Law Enforcement, Introduction to World Religions, Management Information Systems, Math for Liberal Arts, Money and Banking, Organizational Behavior, Personal Finance, Principles of Advanced English Composition, Principles of Finance, Principles of Public Speaking, Principles of Statistics, Principles of Supervision, Substance Abuse, Technical Writing). Graduate Admissions: - DAT - GMAT - GRE - LSAT - PCAT

Screenshots

Mechanical Test Trainer4 screens
Peterson's Test Prep4 screens

Verdict

The call

The clearest difference is price: Peterson's Test Prep at Free against Mechanical Test Trainer's $1.99. Peterson's Test Prep also leads on rating (4.5 vs 3.4) and review sentiment (61% vs 23%). Mechanical Test Trainer's advantage is in-app purchases (none vs 3). On 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

Peterson's Test Prep is free to download; Mechanical Test Trainer costs $1.99 up front. Peterson's Test Prep sells 3 in-app purchases, starting at $58.99 per month. Mechanical Test Trainer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Peterson's Test Prep holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Peterson's Test Prep has 330 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 23% of Mechanical Test Trainer's written reviews are positive against 61% of Peterson's Test Prep's.

UpkeepUpdate frequency

Mechanical Test Trainer ships an update every 11 months, Peterson's Test Prep every 2 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
Mechanical Test Trainer versus Peterson's Test Prep: the parameters behind the verdict, then further details
ParameterMechanical Test TrainerPeterson's Test Prep
Price$1.99Free — better
Rating3.4 (20 ratings)4.5 (330 ratings) — better
Positive reviews23.1% of reviews61.1% of reviews — better
Number of ratings20330 — better
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size136 MB29 MB
Age rating4+12+
DeveloperSeliant ApSPeterson's, LLC

Customer experience

Mechanical Test Trainer

All ratings20 ratings
Positive55.0%
Neutral10.0%
Negative35.0%
Written reviews13 reviews
Positive23.1%
Neutral15.4%
Negative61.5%

Peterson's Test Prep

All ratings330 ratings
Positive88.5%
Neutral3.0%
Negative8.5%
Written reviews36 reviews
Positive61.1%
Neutral5.6%
Negative33.3%

Bugs and requests

Mechanical Test Trainer

Not enough reviews yet to summarise bugs or requests.

Peterson's Test Prep

Reported bugs

6 issues
  • Practice tests won't load
  • App keeps closing when opening practice exams
  • Flashcards and study material are blank
  • Videos don't load properly
  • App intermittently freezes
Show 1 more
  • Drag-and-drop functionality broken on mobile

Requested features

7 requests
  • Ability to revisit test questions and answers for review
  • More comprehensive DSST study material
  • Update outdated content
  • Fix drag-and-drop functionality on mobile
  • Improve customer service responsiveness
Show 2 more
  • Clarify subscription terms to avoid recurring charges
  • Add more practice exams for specific certifications

In-app purchases

None

Mechanical Test Trainer

No in-app purchases

3 purchases

Peterson's Test Prep

Subscriptions3
  • 1 month$58.991 Month
  • 3 months$134.993 Months
  • 6 months$234.996 Months

Questions

Is Mechanical Test Trainer free?
Mechanical Test Trainer costs $1.99, with no in-app purchases.
Is Peterson's Test Prep free?
Peterson's Test Prep is free to download, with in-app purchases available.
Which has better reviews, Mechanical Test Trainer or Peterson's Test Prep?
Peterson's Test Prep is rated higher. Mechanical Test Trainer averages 3.4 out of 5 from 20 ratings, while Peterson's Test Prep averages 4.5 from 330 ratings.
Do Mechanical Test Trainer or Peterson's Test Prep have ads?
Neither Mechanical Test Trainer nor Peterson's Test Prep shows ads.
Which is updated more often, Mechanical Test Trainer or Peterson's Test Prep?
Mechanical Test Trainer ships an update every 11 months, and Peterson's Test Prep every 2 months. Most recently, Mechanical Test Trainer was updated on October 13, 2026 and Peterson's Test Prep on October 15, 2026.

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