Best Mechanical Engineering Calc Apps

192+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated May 2026

Out of 192+ mechanical engineering calc apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Mechanical Engineering Calc Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesJul 2026
2Engineering & FE PrepEngineering & FE PrepFree4.5★ (171)NoYesJul 2026
3Learn Mechanical EngineeringLearn Mechanical EngineeringFree4.5★ (121)NoJul 2026
4Mechanical Engg. CalculatorMechanical Engg. CalculatorFree3.7★ (3)NoNoMay 2026
5Mechanical Engineering MagMechanical Engineering MagFree3.5★ (6)NoNoMay 2026
6Mechanical FormulaMechanical FormulaFree4.8★ (19)NoYesJul 2026
7ME2Go: Mechanical EngineeringME2Go: Mechanical EngineeringFree3.0★ (6)NoYesMay 2026
8PrepFE - FE Mechanical PrepPrepFE - FE Mechanical PrepFree2.0★ (57)NoYesJul 2026

Top Picks for Mechanical Engineering Calc

Construction Master Pro Calc#1

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Editor's Choice
🔧 Utilities
4.8😐(39K ratings)
FreeIn-App Purchases
#42in Utilities
Construction Master Pro Calc screenshot 1
Construction Master Pro Calc screenshot 2
Construction Master Pro Calc screenshot 3
Construction Master Pro Calc screenshot 4
Construction Master Pro Calc screenshot 5
Construction Master Pro Calc screenshot 6

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

What We Love

  • 🚀 Convenient and always available
  • ⚙️ Comprehensive construction calculations
  • 💪 Industry-standard tool
  • 🔍 Accurate and reliable

Room to Improve

  • 💰 Subscription model too expensive
  • 🔒 Locks data behind subscription
  • 🔄 Forced to re-purchase after device changes
Engineering & FE Prep#2

Engineering & FE Prep by EnginPeers LLC

Study & Review on the go!
Strong Contender
📚 Education
4.5(171 ratings)
FreeIn-App Purchases
Engineering & FE Prep screenshot 1
Engineering & FE Prep screenshot 2
Engineering & FE Prep screenshot 3
Engineering & FE Prep screenshot 4

Prepare for your Fundamentals of Engineering (FE) exam with this comprehensive study tool. Review key engineering topics, practice with quizzes and exams, and analyze your performance to identify areas for improvement. Tailored for various engineering disciplines, it offers on-the-go learning to help you pass with confidence.

More Mechanical Engineering Calc apps to explore

4
Mechanical Engg. Calculator
Mechanical Engg. Calculator
Mechanical Engg. Calculator
Mech. Engineering Calculator
Free

This app provides a comprehensive collection of ~250 formulas across 16 categories for mechanical engineering, physics, and mathematics. Users can easily perform calculations by selecting a formula and inputting variables.

~250 formulas16 categoriesMathematics, physics, mechanical engineering
🔧 Utilities
(3)
free
5
Mechanical Engineering Mag
Mechanical Engineering Mag
Mechanical Engineering Mag
by ASME
Free

Access award-winning monthly engineering content in a digital format. Read current and past issues, with text-formatted articles optimized for mobile. Download content for offline access and search the archive.

Current and past issuesBrilliant replica formatText-formatted articles
📡 News
(6)
free
6
Mechanical Formula
Mechanical Formula
Mechanical Formula
Mechanical Engineering Calcula
Free

This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.

200+ mechanical engineering formulasInstant calculationsIntuitive interface
📚 Education
(19)
free with in-app purchases
7
ME2Go: Mechanical Engineering
ME2Go: Mechanical Engineering
ME2Go: Mechanical Engineering
Pocket Reference
Free

This comprehensive reference app provides mechanical engineers with over 265 pages of content covering essential topics like thermodynamics, fluid mechanics, and machine design. It offers detailed derivations and explanations for both academic and professional use. The content is regularly updated to ensure users have access to the latest information.

Extensive content (265+ pages)Covers statistics to thermodynamicsIncludes derivations and explanations
📚 Education
(6)
free with in-app purchases
8
PrepFE - FE Mechanical Prep
PrepFE - FE Mechanical Prep
PrepFE - FE Mechanical Prep
Practice problems, flash cards
Free

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.

Practice FE exam questionsInteractive practice examsHundreds of practice questions
📚 Education
(57)
free with in-app purchases
9
Mechanical Engineering Toolkit
Mechanical Engineering Toolkit
Mechanical Engineering Toolkit
Engineering Equations,Formulas
Free

This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.

Engineering equations and formulasMechanics of Material calculationsTheory of Elasticity formulas
🔧 Utilities
(64)
ad-supported
10
Mechanical FE Prep
Mechanical FE Prep
Mechanical FE Prep
by EnginPeers LLC
Free

Prepare for Mechanical Engineering courses and the Fundamentals of Engineering exam with this comprehensive mobile study tool. Access over 15 engineering topics, practice exams, and detailed test analysis to master the material and pass with confidence.

15+ Engineering topicsPractice examsTest analysis
📚 Education
(2)
free with in-app purchases
11
Engineering Unit Converter
Engineering Unit Converter
Engineering Unit Converter
by Vector 254 LLC
Free

This app offers a powerful and user-friendly way to convert units and currencies. It includes a built-in calculator, mass/mole fraction converter, thermocouple module, and physical constants database. Customize your display and input mathematical expressions for complex conversions.

Unit conversionCurrency conversionBuilt-in calculator
🔍 Reference
(83)
free with in-app purchases
12
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases
13
Mechanical Engineer
Mechanical Engineer
Mechanical Engineer
by Historycentral.com Inc
Free

This app provides over 300 essential mechanical engineering formulas across various domains. It allows users to calculate, save, compare, and share results, aiding in project optimization and decision-making. Users can access a limited number of calculations for free, with a subscription unlocking full functionality.

Over 300 mechanical engineering formulasCovers diverse engineering domainsSave and compare formula results
📊 Productivity
(8)
free with in-app purchases
14
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions
🔧 Utilities
(758)
free with in-app purchases
15
Mechanical Dictionary -Offline
Mechanical Dictionary -Offline
Mechanical Dictionary -Offline
Mechanical Vocabulary & Mean
Free

This app provides a comprehensive offline dictionary for mechanical engineering terms. It includes video lessons, tests, and expert coaching to enhance knowledge in the field. Features like search, audio pronunciation, and daily word learning are available.

Offline access to thousands of termsSearch and bookmark functionalityAudio pronunciation of words
📚 Education
(5)
free with in-app purchases
16
Mechanical Engineering Book
Mechanical Engineering Book
Mechanical Engineering Book
Learn Mechanical Engineering
$1.99

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.

Learn mechanical engineering principlesUnderstand machine mechanismsAccess engineering formulas and equations
📚 Education
(8)
paid
17
Engineering Wiser
Engineering Wiser
Engineering Wiser
Engineering Formula Dictionary
Free

Access a comprehensive library of engineering formulas and equations on your mobile device. Quickly calculate missing values by inputting known variables. Covers core engineering subjects with more topics planned.

Engineering formulas and equations libraryCompute missing valuesInput given values to solve
📚 Education
(1)
free
18
Basic Engineering Dictionary
Basic Engineering Dictionary
Basic Engineering Dictionary
Engineering Dictionary
Free

Master engineering concepts with a comprehensive dictionary of over 11,000 terms, key equations, and formulas. Features interactive quizzes, a visual quick guide, and hands-free learning with autoplay mode. Ideal for students and professionals seeking to solidify their engineering knowledge.

11,000+ engineering termsKey equations and formulasVisual Quick Guide
📚 Education
(4)
free with in-app purchases
19
FE Other Engineering Exam Prep
FE Other Engineering Exam Prep
FE Other Engineering Exam Prep
NCEES EIT Fundamentals Review
Free

Prepare for the NCEES FE Other Disciplines Engineering exam with over 780 comprehensive flashcards. Test your knowledge of essential principles, equations, and formulas. A limited free version is available, with premium access offering detailed explanations and all categories.

780+ practice flashcardsDetailed explanationsExpert-developed content
📚 Education
(34)
free with in-app purchases
20
Engineering Statics
Engineering Statics
Engineering Statics
Over 100 Review Problems!
Free

Master engineering statics with this comprehensive review app. It offers over 100 practice problems, detailed topic breakdowns, and test analysis to help you prepare for lessons and exams.

10+ Static topics broken downOver 100 practice quiz problemsTest analysis with missed questions review
📚 Education
(19)
free with in-app purchases

FAQ about Mechanical Engineering Calc

What are the best mechanical engineering calc apps for iPhone?
Construction Master Pro Calc tops our mechanical engineering calc apps ranking as of May 2026, with a 4.8-star average from 39K App Store ratings, and it's free to download.
Yes — 18 of the top mechanical engineering calc apps we rank are free to download, including Construction Master Pro Calc and Engineering & FE Prep.
Construction Master Pro Calc has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 192+ mechanical engineering calc apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a powerful calculator designed for construction professionals. It specializes in dimensional math, offering solutions for layouts, bids, estimates, and complex calculations involving feet, inches, fractions, and metric units. It aims to improve speed and accuracy in various construction tasks.
Key features include comprehensive dimensional math and conversions, built-in right angle and rafter solutions, area and volume calculations, full trigonometric functions, and special functions like board feet and stud calculations. It also provides a built-in user's guide with context-sensitive help and the ability to save and share calculations.