Comparison

Construction Calculator . vs Chalk

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

Head to head
About

Construction Calculator .

This app provides essential tools for contractors, builders, and DIYers to perform fast, accurate construction calculations on the job site. It streamlines planning, estimating, and material measurement for various building tasks, reducing errors and saving costs.

Highlights
  • Specialized calculators for concrete, lumber, drywall, and roofing
  • Advanced stair and framing calculators
  • Instant unit conversions
  • Material quantity estimates
  • Offline support
  • Simple, intuitive interface
Features
Read full description

Construction Calculator – Build Smarter, Faster, and With Confidence Construction Calculator is the essential tool for contractors, builders, engineers, architects, and DIY home renovators who need fast, accurate calculations on the job site. Designed with simplicity and power in mind, the app streamlines every stage of the building process—from planning and estimating to cutting, measuring, and finishing—so you can focus on getting the job done right. Whether you're calculating concrete volume, framing measurements, roofing materials, stair dimensions, or unit conversions, Construction Calculator delivers precise results in seconds. No more guessing, no more manual formulas, and no more costly errors. With an intuitive interface and easy-to-read outputs, even complex construction math becomes effortless. The app includes specialized calculators for concrete, lumber, drywall, flooring, rebar, roofing, and more. Enter your dimensions and instantly get the quantities and measurements you need. Every tool is optimized for real-world use, helping you plan materials accurately, reduce waste, and save money on every project. Construction Calculator is built for the field: quick input, clear results, and features that work even offline. It’s the perfect companion for professionals who value accuracy and efficiency and for homeowners tackling their own remodeling projects. Key Features: Concrete, lumber, roofing, drywall, flooring, and rebar calculators Advanced stair and framing calculators Instant unit conversions (feet, inches, meters, yards, cubic units, and more) Material quantity estimates for better project planning Offline support for remote job sites Simple, intuitive interface designed for fast field use Make every measurement count. Download Construction Calculator today and take the guesswork out of construction—one calculation at a time. Privacy Policy : https://termux-studio.org/privacy-policy?name=Construction%20Calculator%20Plus Terms of Use : https://termux-studio.org/terms-of-use?name=Construction%20Calculator%20Plus

About

Chalk

This construction calculator handles metric and imperial units seamlessly, offering specialized tools for various trades like framing, tiling, and concrete work. It features an AI advisor for job guidance and works offline, ensuring accessibility on any job site.

Highlights
  • Metric and imperial unit support
  • Specialized trade calculators (stairs, rafters, concrete, etc.)
  • AI Advisor for job guidance
  • Offline functionality
  • Adjustable fraction precision
  • Saved projects
Features
Read full description

Type feet, inches and fractions the way you say them. Chalk's keypad takes 5 ft 3 1/2 in on one line, with one-tap fraction keys for 1/2, 1/4, 1/8 and 1/16, and answers in feet, inches and fractions. No decimal-feet guesswork and no converting in your head. Add, subtract, multiply and divide measurements on the tape calculator, then let Chalk do the job math. Every result rounds to the fraction precision you pick, down to 1/64 of an inch. THE TOOLBOX • Stairs: risers, treads, stringer length, angle and a code check • Rafters and Roof: common and hip or valley lengths from span and pitch • Concrete: slabs, footings and post holes, with bag counts • Framing and Studs: stud counts and plate lineal for any wall • Drywall: sheets, screws, compound and tape • Tiling: tiles, adhesive and grout, waste included • Brick and Block: US, UK and AU sizes, plus mortar • Decking: board rows, lineal length and fasteners • Board Feet: lumber volume and cost • Equal Spacing and Balusters: even layouts that meet code • Aggregates: gravel, sand, soil and asphalt by volume and weight • Running Measurements: layout tables from a start point and interval • Chalk Pad: a full-size dimensional calculator with memory and rise, run, pitch, diagonal, hip, jack and stair keys • Free tools: tape calculator, triangle solver, square footage and volume, pitch and slope, square check and a unit converter METRIC WHEN YOU NEED IT Working from a metric plan? Switch to millimeters and meters in Settings. Every result shows both systems, and one entry can even mix units. ASK THE ADVISOR Chalk's AI Advisor talks the job through: quantities, materials, layout and sequencing. Attach a saved project and it works with your exact numbers. The Advisor needs a connection. Every calculator works offline. BUILT FOR THE JOB SITE • Works fully offline, with no account and no ads • A clear diagram on every calculator • Saved projects keep every number with the job it belongs to • Light, Dark or System appearance • Big results you can read in the sun MADE FOR Carpenters, framers, contractors, builders, concrete crews, remodelers and serious DIYers. Chalk Pro unlocks every trade calculator, the Chalk Pad, the AI Advisor and saved projects. Weekly and yearly subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Results are estimates, so always check quantities before ordering. Privacy Policy: https://chalkcalc.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms and Conditions: https://chalkcalc.com/terms Support: support@chalkcalc.com

Screenshots

Construction Calculator .4 screens
Chalk4 screens

Verdict

The call

The clearest difference is rating: Chalk at 5.0 against Construction Calculator .'s 4.5. Construction Calculator .'s advantage is update cadence (every 4 days vs every 3 months) and ratings volume (71 vs 2). 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 Calculator . sells 5 in-app purchases, starting at $3.99 per month and Chalk sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chalk holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Construction Calculator . has 71 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Construction Calculator . ships an update every 4 days, Chalk every 3 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Construction Calculator . versus Chalk: the parameters behind the verdict, then further details
ParameterConstruction Calculator .Chalk
PriceFreeFree
Rating4.5 (71 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings71 — better2
Update frequencyEvery 4 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better26.0
Further details — not scored
Size39 MB18 MB
Age rating4+4+
DeveloperTERMUX LIMITED LIABILITY COMPANYLionary LLC

Customer experience

Construction Calculator .

All ratings71 ratings
Positive85.9%
Neutral2.8%
Negative11.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Chalk

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Construction Calculator .

Subscriptions5
  • Construction Calculator Premium3 Days trial$3.991 Month
  • Construction Calculator Premium$6.997 Days
  • Construction Calculator Premium$9.991 Year
Show 2 more
  • Construction Calculator Premium14 Days trial$39.991 Year
  • Construction Calculator Premium$69.991 Year
2 purchases

Chalk

Subscriptions2
  • Chalk Pro Weekly$2.997 Days
  • Chalk Pro Yearly$17.991 Year

Questions

Is Construction Calculator . free?
Construction Calculator . is free to download, with in-app purchases available.
Is Chalk free?
Chalk is free to download, with in-app purchases available.
Which has better reviews, Construction Calculator . or Chalk?
Chalk is rated higher. Construction Calculator . averages 4.5 out of 5 from 71 ratings, while Chalk averages 5.0 from 2 ratings.
Do Construction Calculator . or Chalk have ads?
Neither Construction Calculator . nor Chalk shows ads.
Which is updated more often, Construction Calculator . or Chalk?
Construction Calculator . ships an update every 4 days, and Chalk every 3 months. Most recently, Construction Calculator . was updated on October 24, 2026 and Chalk on October 24, 2026.

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