Best Industrial Calculator Apps

222+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated July 2026

Construction Master Pro Calc is the household name in industrial calculator, but it's far from the only option. We track 222+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Industrial Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (39K)NoYesAug 2026
2Construction Master 5 CalcConstruction Master 5 CalcFree4.8★ (13K)NoYesAug 2026
3Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (401)YesYesAug 2026
4Material Estimator CalculatorMaterial Estimator CalculatorFree4.8★ (2.9K)NoYesAug 2026
5Measure Master Pro CalculatorMeasure Master Pro CalculatorFree4.8★ (4.2K)NoYesAug 2026
6Pipe Trades Pro CalcPipe Trades Pro CalcFree4.8★ (3.6K)NoYesAug 2026
7Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoAug 2026
8Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026

Top Picks for Industrial Calculator

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
#49in 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
Construction Master 5 Calc#2

Construction Master 5 Calc by Calculated Industries

Feet Inch Fraction Calculator
Strong Contender
🔧 Utilities
4.8😊(13K ratings)
FreeIn-App Purchases
Construction Master 5 Calc screenshot 1
Construction Master 5 Calc screenshot 2
Construction Master 5 Calc screenshot 3
Construction Master 5 Calc screenshot 4
Construction Master 5 Calc screenshot 5
Construction Master 5 Calc screenshot 6

This app is a powerful feet-inch-fraction calculator designed for construction professionals. It offers advanced calculation capabilities for layouts, bids, and estimates, simplifying complex measurements and conversions for enhanced project accuracy and efficiency.

What We Love

  • 👍 Convenient to have on phone
  • 💡 Useful for construction work
  • 🚀 Performs like physical calculator
  • 👍 Helpful for calculations and estimates

Room to Improve

  • 💰 Expensive subscription model
  • 🤔 Prefer one-time purchase option
  • 🤔 Subscription cost as much as physical calculator
Feet and Inches Calculator#3

Feet and Inches Calculator by Evan Winograd

Perfect Construction Calc!
Worth Considering
🔧 Utilities
4.6😊(401 ratings)
FreeAdsIn-App Purchases
Feet and Inches Calculator screenshot 1
Feet and Inches Calculator screenshot 2
Feet and Inches Calculator screenshot 3
Feet and Inches Calculator screenshot 4
Feet and Inches Calculator screenshot 5
Feet and Inches Calculator screenshot 6

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

What We Love

  • 🚀 Easy to use
  • 🚀 Provides both feet/inches and decimal results
  • 🚀 Lots of additional tools and features
  • 👍 Consistently updated

Room to Improve

  • 🐛 Occasional calculation errors
  • 🐛 Rotation issues after updates
  • 🔋 High battery usage

More Industrial Calculator apps to explore

4
Material Estimator Calculator
Material Estimator Calculator
Material Estimator Calculator
Estimate Construction Projects
Free

This app helps contractors and DIYers accurately estimate material costs and quantities for construction projects. It features dimensional measurement tools, unit conversions, and a material database to optimize budgeting and ordering.

Precise cost and percentage calculationsIntegrated material size databaseAdvanced dimensional measurement tools
🔧 Utilities
(2.9K)
free with in-app purchases
5
Measure Master Pro Calculator
Measure Master Pro Calculator
Measure Master Pro Calculator
Design + Building Math Calc
Free

This app provides comprehensive U.S. and metric unit conversions and advanced calculations for design and building projects. It offers solutions for geometry, weight, and dimensional analysis, with a user-friendly interface and built-in help.

Multi-dimensional unit conversion (U.S. & metric)Advanced weight calculationsGeometry solutions (circle area, circumference)
🔧 Utilities
(4.2K)
free with in-app purchases
6
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Calculator | Welding & Piping
Free

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

Advanced measurement calculationsFluid dynamics and pressure analysisComprehensive pipe data access
🔧 Utilities
(3.6K)
free with in-app purchases
7
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
8
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
9
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
10
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
11
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.

Editable line-by-line tape historyCorrect and insert entriesAdd labels and comments
🔧 Utilities
(1.1K)
free with in-app purchases
12
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
📊 Productivity
(13K)
free with in-app purchases
13
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
NCalc & CalcES Calculator 115
Free

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

Natural display inputGraphing moduleFormula library
📚 Education
(12K)
free with in-app purchases
14
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
🔧 Utilities
(15K)
freemium
15
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(25K)
free with in-app purchases
16
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
17
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email
🔧 Utilities
(3.6K)
free
18
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(9.6K)
free with in-app purchases
19
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
20
Concrete Calc Pro Calculator
Concrete Calc Pro Calculator
Concrete Calc Pro Calculator
Calculate Concrete & Rebar
Free
$39.99 | 100% OFF

Instantly calculate concrete volumes for various construction elements like slabs, footings, and walls. This app also estimates rebar, formwork, and batch requirements, supporting multiple measurement units and conversions for efficient project planning.

Concrete volume calculation (yards, feet, meters)Rebar spacing, sizing, and quantity estimationStair and foundation design tools
🔧 Utilities
(526)
free with in-app purchases

FAQ about Industrial Calculator

What are the best industrial calculator apps for iPhone?
Construction Master Pro Calc tops our industrial calculator apps ranking as of July 2026, with a 4.8-star average from 39K App Store ratings, and it's free to download.
Yes — 18 of the top industrial calculator apps we rank are free to download, including Construction Master Pro Calc and Construction Master 5 Calc.
Construction Master Pro Calc has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 222+ industrial calculator apps on the iOS App Store as of July 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.