Comparison

Construction Master Pro Calc vs Construction Calc Lite

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

Construction Calc Lite

A specialized calculator for construction professionals and anyone working with measurements in feet and inches. Perform complex calculations, scale drawings, and determine angles and material quantities with ease. Features include fractional inch support, history recall, and customizable rounding.

Highlights
  • Feet, inch, and fractional inch calculations
  • Drawing scaling
  • Miter and triangle angle calculations
  • Material quantity and cost estimation
  • Fraction reduction
  • History list for value reuse
  • Customizable rounding precision
Features
Read full description

C-Calc is a calculator application designed by, and for construction workers or anyone else who works with measurements in feet and inches. C-Calc is a full function calculator that works as a standard calculator but more importantly allows you to work in feet, inches, and fractional inches. Features include; - add, subtract, multiply, divide, power, root, and more with measurements in feet, inches, and fractional inches - use the scaling feature to quickly and easily scale drawings - calculate miter angles - calculate triangle angles and lengths - calculate spacing for things such as ballisters - calculate material quantities and cost based on area coverage - reuse any entered value from history list - automatically round results to a user defined precision (ie. sixteenths) - reduce fractions and fractional inches to their lowest common denominator - 50 memory locations featuring add, subtract, set, recall, and clear - split screen shows decimal value, feet/inch value, memory, and scaling all at once in large easy to read fonts - calculate areas and volumes easily - full instructions and video tutorial available at www.ccalc.snappyappz.com

Screenshots

Construction Master Pro Calc4 screens
Construction Calc Lite4 screens

Verdict

The call

The clearest difference is in-app purchases: Construction Calc Lite at none against Construction Master Pro Calc's 20. Construction Master Pro Calc's advantage is ads (none vs shown) and ratings volume (40K vs 132). On price, rating, review sentiment and device support 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. Construction Calc Lite 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 4.7 for Construction Calc Lite. That said, the two scores are not equally well evidenced: Construction Master Pro Calc has 40K ratings behind it against 132, so its average is the more settled of the two. Written reviews are what separate them: 60% of Construction Master Pro Calc's written reviews are positive against 54% of Construction Calc Lite's.

UpkeepUpdate frequency

Construction Master Pro Calc ships an update every 3 weeks, Construction Calc Lite every 2 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard7 real differences · 4 level
Construction Master Pro Calc versus Construction Calc Lite: the parameters behind the verdict, then further details
ParameterConstruction Master Pro CalcConstruction Calc Lite
PriceFreeFree
Rating4.8 (40K ratings) — better4.7 (132 ratings)
Positive reviews60.1% of reviews — better53.6% of reviews
Number of ratings40K — better132
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
Best chart rank#46 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size111 MB31 MB
Age rating12+4+
DeveloperCalculated IndustriesSnappy Appz Inc.

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%

Construction Calc Lite

All ratings132 ratings
Positive90.9%
Neutral2.3%
Negative6.8%
Written reviews28 reviews
Positive53.6%
Neutral14.3%
Negative32.1%

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

Construction Calc Lite

Not enough reviews yet to summarise bugs or requests.

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

Construction Calc Lite

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 Construction Calc Lite free?
Construction Calc Lite is free to download, with no in-app purchases.
Which has better reviews, Construction Master Pro Calc or Construction Calc Lite?
Construction Master Pro Calc is rated higher. Construction Master Pro Calc averages 4.8 out of 5 from 40K ratings, while Construction Calc Lite averages 4.7 from 132 ratings.
Do Construction Master Pro Calc or Construction Calc Lite have ads?
Construction Calc Lite shows ads; Construction Master Pro Calc does not.
Which is updated more often, Construction Master Pro Calc or Construction Calc Lite?
Construction Master Pro Calc ships an update every 3 weeks, and Construction Calc Lite every 2 months. Most recently, Construction Master Pro Calc was updated on September 24, 2026 and Construction Calc Lite on September 21, 2026.

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