Comparison

Construction Master Pro Calc vs Concrete Calculator Plus

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

Head to head
About

Construction Master Pro Calc

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.

Highlights
  • Dimensional math and conversions
  • Right angle and rafter calculations
  • Area and volume solutions
  • Full trigonometric functions
  • Built-in user's guide and help
  • Save and share calculations
  • Project notes and attachments
Features
Read full description

FREE Try Before You Buy 14 Day Trial; your App Store account is not charged by Apple during the free trial. Rated 4.8 stars with over 1.12M downloads. The trusted construction calculator used by professionals across the US and the world. The go-to feet-inch-fraction calculator for framers, contractors, and builders. Includes Construction Master Pro and Construction Master Pro Trig in one app, with the CMPro Training Guide built in. Built with the same core engine that powers the industry-standard advanced construction-math calculators from Calculated Industries. Award-winning tools trusted by the industry for 40 years. BUILT FOR THE JOBSITE • Framers and carpenters: rafter cuts, stair layouts, lumber quantities, and framing calculations on the job • Builders and general contractors: estimates, material takeoffs, and building layouts • Concrete and masonry: footing volume, block counts, and unit conversions • Roofing contractors: bundles, squares, pitch, and slope in seconds WHY PROFESSIONALS CHOOSE CONSTRUCTION MASTER® PRO • Powerful built-in calculations make CMPro ideal for completing layouts, plans, bids, and estimates • Work in and convert between all common building dimensional formats US & Metric • Built-in right angle functions simplify square-ups, rafters, slopes, and more • Handles framing, roofing, concrete, lumber, and stair calculations in one app • Full trigonometric functions for advanced construction math BUILT-IN SOLUTIONS • Dimensional Math and Conversions • Feet-Inch-Fraction, Inch Fraction, Yards • Decimal Feet and Inches (10ths, 100ths) • Preset Fractions (1/2" through 1/64") • D:M:S, Decimal Degree Entry and Conversions • Full Metric Function (m, cm, mm) RIGHT ANGLE SOLUTIONS • Complete Right Angle/Rafter Calculations • Pitch Key (Slope and Grade) • Rise, Run, Diagonal/Common Rafter Keys • Regular and Irregular Hip/Valley & Jack Rafter Keys • Rafter Cutting Angles (Plumb, Cheek, and Level Cuts) • Stair Layouts (including – Riser Limit, Stairwell Opening, Headroom, Floor Thickness) • Rake-Wall (including Arched) AREA AND VOLUME SOLUTIONS • Square and Cubic • Roof – Bundles, Squares, 4x8 Sheets, Pitch, Plan Area • Drywall, Siding and Paneling 4x8, 4x9 and 4x12 • Column/Cone Area and Volume -- • Basic & Advanced Circular Calculations • Weight per Volume Conversions • Length, Width, and Height Keys • Blocks, Footings SPECIAL FUNCTIONS • Trigonometric Function Keys: Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent • Board Feet • Studs: Find number On-center • User-Definable Preferences • Cost per Unit (total costs based on unit price) • Equal-Sided Polygon • Compound Miters • Crown Angle • Advanced Paperless Tape APP-ENHANCED FEATURES • Ask CMPro – exact steps for any calculation. AI built on CMPro’s 40 years of proven math • CMPro Toolbelt -- quick access to every tool, customizable for your workflow • Fast Fractions Mode -- dedicated fraction keys for faster, more precise entry • Materials Mode -- streamlined estimating for drywall, roofing, lumber, and more • Project Notes -- create text or voice-to-text notes, set up folders by project or client, add attachments, and share with your crew • EZ Calcs – 100+ forms-based calculators with illustrations for framing, concrete, roofing quantities, and much more. • Searchable Help and how-to videos • Context-sensitive Help -- press and hold any function key for Help text, diagrams, and videos • Save and share calculations and outputs (e.g., cut lists) with others on your crew • Bosch GLM integration -- send measured values into live calculations or Notes SUBSCRIPTION INFORMATION Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel in Apple account Settings > Account (Apple ID) > Subscriptions. TRADEMARKS Construction Master® and Calculated Industries® are registered trademarks of Calculated Industries, Inc. Copyright 2026

About

Concrete Calculator Plus

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

Highlights
  • 15 concrete estimation calculators
  • Estimates cubic yards or bags
  • Calculates material costs
  • Supports various shapes (slabs, walls, columns)
  • Estimates rebar and gravel needs
  • Converts between units (inches, feet, meters)
Features
Read full description

15 concrete estimation calculators to estimate concrete in cubic yards or bags, with estimated material costs. Estimate concrete needed for a rectangular slab, circular slab, footing, circular columns or posts, poured walls, block walls, and steps. Estimate the number of blocks or CMUs to build a block wall, and estimate the material needed for a mortar mix. Estimate the amount of rebar for a slab and the gravel needed for the base. 15 Free Calculators: - Rectangular slab - Circular slab - Footing - Circular column - Poured wall - Steps - Post holes - Gravel - Asphalt - Block wall - Block fill - Mortar - Rebar Reinforcement - Mesh Reinforcement - Area - Volume Enter dimensions in inches, feet, yards, centimeters, or meters. Get results in US customary or metric measurements. Based on the calculators on Inch Calculator(www.inchcalculator.com) that are trusted by millions of people world-wide for material estimation.

Screenshots

Construction Master Pro Calc4 screens
Concrete Calculator Plus4 screens

Verdict

The call

Construction Master Pro Calc and Concrete Calculator Plus both sit at 4.8 stars, but that hides the real split: 99% of Concrete Calculator Plus's written reviews are positive against 60% of Construction Master Pro Calc's. Concrete Calculator Plus also leads on in-app purchases (none vs 20) and iOS requirement (12.0 vs 15.0). Construction Master Pro Calc's advantage is ads (none vs shown) and chart position (#49 vs unranked). On price, rating, ratings volume and update cadence 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 Pro Calc sells 12 in-app purchases, starting at $3.69 per month. Concrete Calculator Plus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Construction Master Pro Calc against 4.8 for Concrete Calculator Plus. Both are backed by a comparable volume of ratings — 40K and 21K respectively. Written reviews are what separate them: 60% of Construction Master Pro Calc's written reviews are positive against 99% of Concrete Calculator Plus's.

UpkeepUpdate frequency

Construction Master Pro Calc ships an update every 3 weeks, Concrete Calculator Plus monthly. Both last shipped on September 27, 2026.

Scorecard6 real differences · 5 level
Construction Master Pro Calc versus Concrete Calculator Plus: the parameters behind the verdict, then further details
ParameterConstruction Master Pro CalcConcrete Calculator Plus
PriceFreeFree
Rating4.8 (40K ratings)4.8 (21K ratings) — better
Positive reviews60.1% of reviews98.6% of reviews — better
Number of ratings40K — better21K
Update frequencyEvery 3 weeks — betterMonthly
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#49 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size111 MB33 MB
Age rating12+4+
DeveloperCalculated IndustriesCalc Hub, LLC

Customer experience

Construction Master Pro Calc

All ratings39,604 ratings
Positive96.4%
Neutral1.2%
Negative2.3%
Written reviews321 reviews
Positive60.1%
Neutral5.3%
Negative34.6%

Concrete Calculator Plus

All ratings21,295 ratings
Positive96.8%
Neutral2.0%
Negative1.2%
Written reviews70 reviews
Positive98.6%
Neutral0.0%
Negative1.4%

User reviews

Construction Master Pro Calc

From 40K App Store ratings

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

Concrete Calculator Plus

From 21K App Store ratings

What we love

  • 🚀 Easy to use
  • 🚀 Accurate calculations
  • 🚀 Convenient for on-the-go use
  • 🚀 Helpful for various projects
  • 👍 Straightforward and simple

Room to improve

  • 🔍 Limited features (no cost calculation, no 50 lb bag option)
  • 📱 Issues with display on some devices

Bugs and requests

Construction Master Pro Calc

Reported bugs

3 issues
  • Crashes or freezes on certain devices
  • Calculation errors in some scenarios
  • Inconsistent behavior after updates

Requested features

5 requests
  • Add metric unit support
  • Offer one-time purchase option
  • Improve backup and data transfer
  • Add more customization options
  • Enhance overall user experience

Concrete Calculator Plus

Reported bugs

2 issues
  • Occasional loading issues
  • Difficulty reading total results on some devices

Requested features

2 requests
  • Finisher block cost calculation
  • Support for 50 lb concrete bag sizes

In-app purchases

12 purchases

Construction Master Pro Calc

Subscriptions12
  • 1 Month Full Access7 Days trial2 variants$3.691 Month
  • 1 Month Full Access14 Days trial4 variants$4.991 Month
  • 1 Month Full Access7 Days trial$4.991 Month
Show 9 more
  • 1 Month Full Access1 Month trial$4.991 Month
  • CMPro Full Access7 Days trial$9.991 Year
  • 6 Months Full Access7 Days trial$19.996 Months
  • 1 Year Full Access7 Days trial$19.991 Year
  • 1 Year Full Access7 Days trial2 variants$29.991 Year
  • 1 Year Full Access14 Days trial4 variants$39.991 Year
  • 1 Year Full Access7 Days trial$39.991 Year
  • 1 Year Full Access1 Month trial$39.991 Year
  • 1 Year Full Access3 Months trial$39.991 Year
None

Concrete Calculator Plus

No in-app purchases

Questions

Is Construction Master Pro Calc free?
Construction Master Pro Calc is free to download, with in-app purchases available.
Is Concrete Calculator Plus free?
Concrete Calculator Plus is free to download, with no in-app purchases.
Which has better reviews, Construction Master Pro Calc or Concrete Calculator Plus?
Concrete Calculator Plus is rated higher. Construction Master Pro Calc averages 4.8 out of 5 from 40K ratings, while Concrete Calculator Plus averages 4.8 from 21K ratings.
Do Construction Master Pro Calc or Concrete Calculator Plus have ads?
Concrete Calculator Plus shows ads; Construction Master Pro Calc does not.
Which is updated more often, Construction Master Pro Calc or Concrete Calculator Plus?
Construction Master Pro Calc ships an update every 3 weeks, and Concrete Calculator Plus monthly. Most recently, Construction Master Pro Calc was updated on September 27, 2026 and Concrete Calculator Plus on September 27, 2026.

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