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Best Contractor Calculator Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Out of 249+ contractor calculator apps on iOS, 20 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 Contractor Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (40K)NoYesSep 2026
2Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (409)YesYesSep 2026
3Construction Master 5 CalcConstruction Master 5 CalcFree4.8★ (13K)NoYesSep 2026
4Material Estimator CalculatorMaterial Estimator CalculatorFree4.8★ (3.1K)NoYesSep 2026
5Calculator for ContractorsCalculator for ContractorsFree4.2★ (15)YesNoMay 2026
6Construction Calculator ۬Construction Calculator ۬Free—NoYesSep 2026
7Feet Inch Calculator - TrussFeet Inch Calculator - TrussFree—YesNoJul 2026
8Concrete Calculator PlusConcrete Calculator PlusFree4.8★ (21K)YesNoSep 2026

Top Picks for Contractor Calculator

Construction Master Pro Calc#1

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Editor's Choice
🔧 Utilities
4.8😐(40K ratings)
FreeIn-App Purchases
#47in 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
  • 📱 Integrates well with mobile devices

Room to Improve

  • 💰 Subscription model too expensive
  • 🔒 Locks data behind subscription
  • 🔄 Forced to re-purchase after device changes
  • 🔍 Lacks full metric support
  • 🔧 Occasional UI/UX issues
Feet and Inches Calculator#2

Feet and Inches Calculator by Evan Winograd

Perfect Construction Calc!
Strong Contender
🔧 Utilities
4.6😊(409 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
  • 👍 Helpful and responsive support
  • 👍 Great for construction and woodworking
  • 👍 Customizable interface

Room to Improve

  • 🐛 Occasional calculation errors
  • 🐛 Rotation issues after updates
  • 🔋 High battery usage
  • 💰 Ads can be intrusive in free version
Construction Master 5 Calc#3

Construction Master 5 Calc by Calculated Industries

Feet Inch Fraction Calculator
Worth Considering
🔧 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
  • 👍 Great tool for framers and carpenters

Room to Improve

  • 💰 Expensive subscription model
  • 🤔 Prefer one-time purchase option
  • 🤔 Subscription cost as much as physical calculator
  • 🤔 Should allow trial before subscription
  • 🐛 Issues with restoring purchases

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FAQ about Contractor Calculator

What are the best contractor calculator apps for iPhone?
Construction Master Pro Calc tops our contractor calculator apps ranking as of September 2026, with a 4.8-star average from 40K App Store ratings, and it's free to download.
Yes — 20 of the top contractor calculator apps we rank are free to download, including Construction Master Pro Calc and Feet and Inches Calculator.
Construction Master Pro Calc has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ contractor calculator apps on the iOS App Store as of September 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.

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