Comparison

Construction Master 5 Calc vs Unit Converter

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

Head to head
About

Construction Master 5 Calc

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.

Highlights
  • Feet-inch-fraction calculations
  • Right angle and rafter calculations
  • Area and volume solutions
  • Board feet and cost per unit
  • Dimensional math and conversions
  • Save or email calculations
  • Context-sensitive help
Features
Read full description

FREE Try Before You Buy trial, your App Store account is not charged by Apple during the free trial. Introducing the Construction Master 5, an innovative feet-inch-fraction builder's calculator that revolutionizes project efficiency and accuracy. For over thirty years, this award-winning tool has been a vital asset in North America's construction industry, trusted by professionals for its precision and reliability. The Construction Master 5 was built for professionals, including Builders, Contractors, Designers, Fabricators, Framers, Carpenters, Tradesmen, and Advanced Do-It-Yourselfers. ----- VERSATILE FUNCTIONALITY FOR CONSTRUCTION PROFESSIONALS ----- • Tailored to meet the needs of Builders, Contractors, and Designers • Essential for Fabricators and Framers/Carpenters • Invaluable for Tradesmen across specialties • Perfect for Advanced Do-It-Yourselfers requiring precise measurements • Aim to enhance speed, accuracy, and productivity in dimension-focused projects ----- OPTIMIZED FOR MOBILE DEVICES ----- • Compatible with both iPhone and iPad • Replicates the trusted functions of our traditional handheld calculators • Enhanced with exclusive features for mobile users • User-friendly design with a comprehensive User’s Guide • Includes Searchable help and a 'press and hold' feature for instant help on functions, supported by tutorial videos ----- ADVANCED CALCULATION CAPABILITIES ----- • Equipped with a robust core engine from Calculated Industries • Assures unmatched reliability and precision • Perfect for construction or DIY projects requiring exact measurements • Offers powerful built-in solutions for layouts, plans, bids, and estimates • Works in and converts between various dimensional formats, including imperial and metric units ----- COMPREHENSIVE BUILT-IN SOLUTIONS ----- • Extensive dimensional math and conversion capabilities • Features complete right angle and rafter calculations • Includes area and volume solutions for square, cubic, and circular calculations • Special functions like Board Feet, Cost per Unit, and Advanced Paperless Tape • User-definable preferences and memory function for personalized use ----- ENHANCED APP FEATURES ----- • Entry-editing Backspace Key for easy corrections • Context-sensitive help is available for each function • Ability to save or email calculations and outputs like cut lists • Facilitates complex calculations with ease • Designed for efficient use in the field, office, or on the go With the Construction Master 5, take your construction and DIY projects to the next level of efficiency and precision. This tool not only simplifies complex calculations but also brings a new level of professionalism and accuracy to your work. Whether working on the job site, in the office or tackling a home project, the Construction Master 5 is your indispensable partner, ensuring that every measurement and calculation is on point. Upgrade your toolkit with the Construction Master 5 and experience the future of construction and project planning today. SUBSCRIPTION INFORMATION Your Free Trial period is free of charge. Subscriptions offered will automatically renew at the end of the chosen period. Upon purchase confirmation and completion of a free trial, payment will be charged to your Apple account. The subscription will automatically renew unless auto-renew is turned off or the subscription is canceled in settings at least one day (24 hours) before the subscription period ends. You can manage your subscription and turn off auto-renewal in your Apple account Settings > Account (Apple ID) > Subscriptions. TRADEMARKS Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. Copyright 2024

About

Unit Converter

This versatile tool simplifies daily tasks by offering quick and reliable conversions for over 20 unit types. Its clean, intuitive interface makes converting measurements easy for students, professionals, and travelers alike. Enjoy offline functionality and a lightweight design that won't drain your device's resources.

Highlights
  • Over 20 unit categories
  • Length, weight, volume, temperature, speed, time, energy, pressure conversions
  • Real-time currency exchange rates
  • User-friendly interface
  • Lightweight and fast performance
  • Offline functionality
Features
Read full description

Ultimate Unit Converter – Your All-in-One Conversion Tool Simplify your daily tasks with the Ultimate Unit Converter, a versatile and user-friendly app designed to meet all your conversion needs. Whether you're a student, professional, traveler, or simply someone who needs quick and reliable conversions, this app is your go-to tool. With over 20 different unit types and a clean, intuitive interface, converting measurements has never been easier! Key Features 1. Comprehensive Unit Categories:
The app supports conversions across more than 20 unit types, including: * Length: Convert between meters, miles, feet, inches, and more. * Weight & Mass: Easily switch between kilograms, pounds, ounces, and tons. * Volume: Convert between liters, gallons, cups, and other units. * Temperature: Instant conversions between Celsius, Fahrenheit, and Kelvin. * Speed: Convert between kilometers per hour, miles per hour, and meters per second. * Time: Convert between seconds, minutes, hours, and days. * Energy: Switch between joules, calories, and kilowatt-hours. * Pressure: Convert between pascals, bar, PSI, and more. * Currency: Real-time currency exchange rates for accurate conversions (optional internet connection required). * ...and many more! 2. User-Friendly Interface:
Designed with simplicity in mind, the app ensures a seamless experience for all users. You can select your desired units and input values in just a few taps. No clutter, no confusion – just fast and efficient conversions. 3. Lightweight & Fast:
Unlike bulky apps, the Ultimate Unit Converter is lightweight, ensuring it runs smoothly without draining your device's resources. 4. Offline Functionality:
Need to convert units on the go without internet access? No problem! Most features work perfectly offline, making it ideal for travelers and remote work. Who Can Benefit? * Students: Perfect for solving math, physics, or engineering problems. * Professionals: Ideal for engineers, architects, chefs, and other professionals who require accurate unit conversions. * Travelers: Easily convert currencies, distances, and temperatures while exploring new places. * Everyone: From cooking recipes to DIY projects, this app simplifies life for everyone. Why Choose Ultimate Unit Converter? Unlike generic converters, this app combines a wide range of unit types with a minimalistic design, ensuring both versatility and ease of use. Say goodbye to complex calculations and bulky tools – this app does it all! Privacy and Policy: https://mammoth-tent-dda.notion.site/Terms-of-Use-and-Privacy-And-Policy-FromTo-653e4651dc5c4a6c8124d2c24ecde154 Terms of Use: https://mammoth-tent-dda.notion.site/Terms-of-Use-and-Privacy-And-Policy-FromTo-653e4651dc5c4a6c8124d2c24ecde154

Screenshots

Construction Master 5 Calc4 screens
Unit Converter4 screens

Verdict

The call

The clearest difference is review sentiment: Construction Master 5 Calc at 68% against Unit Converter's 0%. Construction Master 5 Calc also leads on rating (4.8 vs 3.7) and ratings volume (13K vs 3). Unit Converter's advantage is update cadence (daily vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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. Construction Master 5 Calc sells 2 in-app purchases, starting at $3.99 per month and Unit Converter sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Construction Master 5 Calc holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Construction Master 5 Calc has 13K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 68% of Construction Master 5 Calc's written reviews are positive against 0% of Unit Converter's.

UpkeepUpdate frequency

Construction Master 5 Calc ships an update every 3 months, Unit Converter daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 5 level
Construction Master 5 Calc versus Unit Converter: the parameters behind the verdict, then further details
ParameterConstruction Master 5 CalcUnit Converter
PriceFreeFree
Rating4.8 (13K ratings) — better3.7 (3 ratings)
Positive reviews67.9% of reviews — better0.0% of reviews
Number of ratings13K — better3
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#190 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size73 MB55 MB
Age rating12+4+
DeveloperCalculated IndustriesFarid Fakhnavar

Customer experience

Construction Master 5 Calc

All ratings13,376 ratings
Positive96.3%
Neutral1.2%
Negative2.5%
Written reviews165 reviews
Positive67.9%
Neutral4.2%
Negative27.9%

Unit Converter

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Construction Master 5 Calc

Reported bugs

3 issues
  • App not working without internet connection
  • Crashes or freezes on some devices
  • Login/purchase issues when switching devices

Requested features

4 requests
  • Add Apple Watch support
  • Offer one-time purchase option
  • Improve compatibility with older devices
  • Provide a free version with limited features

Unit Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Construction Master 5 Calc

Subscriptions2
  • 1 Month Full Access14 Days trial3 variants$3.991 Month
  • 1 Year Full Access14 Days trial3 variants$34.991 Year
2 purchases

Unit Converter

One-time2
  • Lifetime Pro Sale$6.99
  • Lifetime Pro$9.99

Questions

Is Construction Master 5 Calc free?
Construction Master 5 Calc is free to download, with in-app purchases available.
Is Unit Converter free?
Unit Converter is free to download, with in-app purchases available.
Which has better reviews, Construction Master 5 Calc or Unit Converter?
Construction Master 5 Calc is rated higher. Construction Master 5 Calc averages 4.8 out of 5 from 13K ratings, while Unit Converter averages 3.7 from 3 ratings.
Do Construction Master 5 Calc or Unit Converter have ads?
Neither Construction Master 5 Calc nor Unit Converter shows ads.
Which is updated more often, Construction Master 5 Calc or Unit Converter?
Construction Master 5 Calc ships an update every 3 months, and Unit Converter daily. Most recently, Construction Master 5 Calc was updated on October 25, 2026 and Unit Converter on October 24, 2026.

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