Comparison

Construction Calculator A1 vs Construction Calculator Master

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

Head to head
About

Construction Calculator A1

This comprehensive tool offers over 500 construction calculators, from basic material quantities to complex bills of quantities. It generates automatic drawings, manages material prices, and provides learning resources for civil engineers and contractors.

Highlights
  • 500+ construction calculators
  • Concrete, rebar, and steel calculations
  • Feet-inch calculator
  • Bill of Quantities (BOQ)
  • Automatic drawings
  • Material price library
  • Unit converter
Features
Read full description

The #1 construction calculator trusted by 1M+ contractors, builders, and engineers worldwide. Construction Calculator A1 — the complete civil engineering toolkit for contractors, builders and engineers. 500+ calculators, from a single slab to a client-ready Bill of Quantities. CONCRETE CALCULATOR • Slabs, footings, columns, beams, stairs, walls & culverts • Instant material quantities: cement bags, sand, aggregate • Mix ratios and grade selection for any specification REBAR & STEEL CALCULATOR • Bar Bending Schedule (BBS) with shape codes and cutting lengths • Weight calculator for metric and US bar sizes (#3–#11) • Lap length, cover & spacing calculations • Steel tonnage for structural estimates FEET-INCHES CALCULATOR • Add, subtract, multiply, divide in feet-inches-fractions • No decimal conversion needed • Running tape you can review and reuse BILL OF QUANTITIES (BOQ) — NEW • Send any calculation straight to a BOQ • Organise by project, track total value and % priced • Professional report with your company header and signature • Export as PDF or Excel AUTOMATIC DRAWINGS — NEW • Calculators draw a dimensioned sketch of what you entered • Brickwork, steel shapes, concrete sections, excavation, stairs • Drawings and a DIMENSIONS panel included in every PDF MATERIAL PRICE LIBRARY — NEW • Store your own rates in your own currency • Rates auto-fill into cost fields across the app • Six regional presets with local materials and units APPLE WATCH APP — NEW • Converter, material weight, volume, diagonal and rebar on your wrist • Prices synced from iPhone, with full calculation history AREA & VOLUME • 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms, cones, spheres and more • Draw Shape and GPS Area for irregular plots • Room area, paint coverage, flooring and excavation volumes UNIT CONVERTER • Length, area, volume, weight, pressure, power, speed, density and more • Construction-specific units throughout LEARN — NEW • Civil engineering articles, checklists and reference charts • Topic quizzes with instant explanations • Daily streaks, XP and achievement badges PROFESSIONAL FEATURES • Save and organise calculations by project, with notes and photos • Share estimates with clients instantly • Construction cost estimator with breakdown charts and quotations • Company branding on every report • Google Drive and iCloud backup, cloud sync across devices • Metric and Imperial, 16 languages, light and dark themes • Works offline — calculations need no internet SUBSCRIPTION INFORMATION Construction Calculator Pro is available as a monthly or yearly auto-renewing subscription, or as a one-time Lifetime purchase. • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours prior to the end of the current period, at the rate of your selected plan. • Manage or cancel your subscription in your App Store account settings after purchase. Privacy Policy: https://www.binaryandbricks.com/app/privacypolicy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Built for real job sites. Download now and estimate like a pro.

About

Construction Calculator Master

This app simplifies construction planning and estimation for contractors and DIYers. It offers tools for calculating volume, area, roofing, masonry, stairs, and drywall, ensuring accurate material estimates and project planning.

Highlights
  • Volume and area calculations
  • Roofing and hip roof calculations
  • Brick and block wall calculations
  • Stairs design and calculations
  • Drywall estimation
  • Rafter and polygon calculations
Features
Read full description

Take your construction projects to the next level with Simple Construction Calculator, the ultimate civil construction calculator for contractors, builders, and DIY enthusiasts. From volume calculation and area calculator tasks to advanced roof framing and stairs calculator functions, this building calculator app simplifies every aspect of planning, designing, and estimating. Quickly calculate in feet inch, measure length, width, height, weight, angle, fraction, rise, run, base, and pitch for any construction project with ease. Key Features: - Roofing Calculator, Hip Roof Calculator, Roof Covering – Measure roofing materials and costs precisely. - Brick Calculator & Block Wall Calculator – Plan masonry work efficiently with accurate quantities. - Stairs Calculator, Stair Stringer Calculator, Stair Riser Calculator, Stair Step Calculator, Stair Formula, Stair Angle Calculator – Design perfect staircases with precise rise and run calculations. - Drywall Installation & Drywall Contractor Tools – Quickly measure panels and estimate materials and costs. - Civil Construction Calculator & RCC Calculator – Perform professional-grade structural calculations. - Jack Rafter Calculator & Rafter Calculation – Plan complex roof geometries with accuracy. - Polygon Calculator – Determine areas for irregular shapes, flooring, and custom designs. Simple Construction Calculator is perfect for: ⁃ House building calculator needs ⁃ Construction cost estimator and material calculator tasks ⁃ Roofing cost calculator and roof framing projects ⁃ Brick & block wall calculations ⁃ Stair rise & run, stair step, stair riser, stair formula, and stair angle calculations Whether you’re planning drywall installation, designing a hip roof, calculating roof framing, or performing volume, area, and length calculations, this app ensures accurate results every time. From design build projects to everyday construction, it’s a professional-grade builder master tool for anyone needing precise material calculations. Overall, Simple Construction Calculator is your all-in-one solution for civil construction calculations. From easy calculations and material planning to cost estimation and contractor estimates, it includes powerful tools like Material Calculator, Construction Material Calculator, Construction Estimator, Construction Cost Estimator, Building Cost Calculator, Building Cost Estimator, and Contractors Estimate - making every building project faster, easier, and more accurate. Download Simple Construction Calculator now and take the guesswork out of your construction projects!

Screenshots

Construction Calculator A14 screens
Construction Calculator Master4 screens

Verdict

The call

The clearest difference is rating: Construction Calculator A1 at 4.7 against Construction Calculator Master's 4.0. Construction Calculator A1 also leads on ratings volume (29 vs 1) and device support (4 vs 2). Construction Calculator Master's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence and iOS requirement 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 A1 sells 6 in-app purchases, starting at $2.99 per month. Construction Calculator Master asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Construction Calculator A1 holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Construction Calculator A1 has 29 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Construction Calculator A1 ships an update monthly, Construction Calculator Master every 2 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 4 level
Construction Calculator A1 versus Construction Calculator Master: the parameters behind the verdict, then further details
ParameterConstruction Calculator A1Construction Calculator Master
PriceFreeFree
Rating4.7 (29 ratings) — better4.0 (1 ratings)
Positive reviews66.7% of reviews—
Number of ratings29 — better1
Update frequencyMonthlyEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size182 MB10 MB
Age rating4+4+
DeveloperBinary And Bricks Pvt LtdVaghani Keyur

In-app purchases

6 purchases

Construction Calculator A1

Subscriptions2
  • Pro access monthly subscription$2.991 Month
  • Pro access yearly subscription$24.991 Year
One-time4
  • 100 AI Credits$0.99
  • 500 AI credits$3.99
  • 500 AI credits$9.99
Show 1 more
  • Lifetime Access$39.99
None

Construction Calculator Master

No in-app purchases

Questions

Is Construction Calculator A1 free?
Construction Calculator A1 is free to download, with in-app purchases available.
Is Construction Calculator Master free?
Construction Calculator Master is free to download, with no in-app purchases.
Which has better reviews, Construction Calculator A1 or Construction Calculator Master?
Construction Calculator A1 is rated higher. Construction Calculator A1 averages 4.7 out of 5 from 29 ratings, while Construction Calculator Master averages 4.0 from 1 ratings.
Do Construction Calculator A1 or Construction Calculator Master have ads?
Construction Calculator A1 shows ads; Construction Calculator Master does not.
Which is updated more often, Construction Calculator A1 or Construction Calculator Master?
Construction Calculator A1 ships an update monthly, and Construction Calculator Master every 2 weeks. Most recently, Construction Calculator A1 was updated on November 3, 2026 and Construction Calculator Master on October 28, 2026.

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