Comparison

Construction Master 5 Calc vs Slope Calculator & Tools

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

Slope Calculator & Tools

This professional construction calculator assists with precise measurements for slopes, roof pitches, stairs, ramps, and grading. It offers instant calculations with live diagrams and supports both imperial and metric units for various construction and DIY projects.

Highlights
  • Slope calculation with live diagrams
  • Roof pitch and area calculation
  • Stair planning and comfort analysis
  • ADA ramp compliance checks
  • Grade and triangle solving
  • Unit and feet-inch conversion
  • Cut & fill volume estimation
  • Save and organize projects
Features
Read full description

Slope Calculator & Tools is a professional construction calculator for slopes, roof pitch, stairs, ramps, grading, and geometry. Built for contractors, builders, roofers, carpenters, engineers, DIY projects, and construction work. FEATURES • Slope Calculator Calculate rise, run, angle, grade %, and slope length instantly with live diagrams. • Roof Pitch Calculator Calculate roof pitch, roof angle, slope %, rafter length, and roof area. • Stair Calculator Plan stairs with total rise, tread depth, stair angle, stringer length, and comfort analysis. • Ramp Calculator Calculate ADA ramp slope, angle, and ramp length with compliance checks. • Grade Calculator Road, drainage, and site grading calculations. • Triangle Solver Solve triangles using SSS, SAS, and ASA methods. • Unit Converter Convert between mm, cm, m, in, ft, and more. • Feet-Inch Converter Quickly convert feet & inches into decimal values. • Cut & Fill Calculator Estimate earthworks and excavation volume. • Saved Projects Save calculations and access recent results anytime. DESIGNED FOR • Roofing • Carpentry • Construction • Architecture • Engineering • Surveying • DIY & home improvement KEY FEATURES • Live geometry diagrams • Fast and accurate calculations • Clean professional interface • Dark mode optimized • Save and organize projects • Quick presets for common slopes and roof pitches • Supports imperial and metric units Whether you are building stairs, calculating roof pitch, designing ramps, or checking site grades, Slope Calculator & Tools helps you work faster and more accurately.

Screenshots

Construction Master 5 Calc4 screens
Slope Calculator & Tools4 screens

Verdict

The call

The clearest difference is ads: Construction Master 5 Calc at none against Slope Calculator & Tools's shown. Construction Master 5 Calc also leads on ratings volume (13K vs 2) and iOS requirement (15.0 vs 17.6). On price, rating, update cadence and in-app purchases 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 Slope Calculator & Tools sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Slope Calculator & Tools holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Construction Master 5 Calc has 13K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Construction Master 5 Calc ships an update every 3 months, Slope Calculator & Tools every 2 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Construction Master 5 Calc versus Slope Calculator & Tools: the parameters behind the verdict, then further details
ParameterConstruction Master 5 CalcSlope Calculator & Tools
PriceFreeFree
Rating4.8 (13K ratings)5.0 (2 ratings) — better
Positive reviews68.3% of reviews—
Number of ratings13K — better2
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size73 MB6 MB
Age rating12+4+
DeveloperCalculated IndustriesDo Tri

Customer experience

Construction Master 5 Calc

All ratings13,376 ratings
Positive96.3%
Neutral1.2%
Negative2.5%
Written reviews167 reviews
Positive68.3%
Neutral4.2%
Negative27.5%

Slope Calculator & Tools

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Slope Calculator & Tools

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
1 purchases

Slope Calculator & Tools

One-time1
  • Pro Upgrade$5.99

Questions

Is Construction Master 5 Calc free?
Construction Master 5 Calc is free to download, with in-app purchases available.
Is Slope Calculator & Tools free?
Slope Calculator & Tools is free to download, with in-app purchases available.
Which has better reviews, Construction Master 5 Calc or Slope Calculator & Tools?
Slope Calculator & Tools is rated higher. Construction Master 5 Calc averages 4.8 out of 5 from 13K ratings, while Slope Calculator & Tools averages 5.0 from 2 ratings.
Do Construction Master 5 Calc or Slope Calculator & Tools have ads?
Slope Calculator & Tools shows ads; Construction Master 5 Calc does not.
Which is updated more often, Construction Master 5 Calc or Slope Calculator & Tools?
Construction Master 5 Calc ships an update every 3 months, and Slope Calculator & Tools every 2 months. Most recently, Construction Master 5 Calc was updated on November 9, 2026 and Slope Calculator & Tools on October 31, 2026.

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