Comparison

Construction Calc Pro 7 vs Construction Calculator A1 Pro

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

Head to head
About

Construction Calc Pro 7

This app offers a comprehensive suite of 82 construction calculators for various tasks like concrete, drywall, and roofing. It allows measurements in both imperial and metric units and features a high-visibility display for use in direct sunlight.

Highlights
  • 82 construction calculators
  • Imperial and metric measurements
  • High visibility display
  • Aggregate, asphalt, concrete calculations
  • Drywall, flooring, framing tools
  • Paint, rafter, roofing calculators
Features
Read full description

83 Powerful, Proven & Precise Tools. Enter measurements in feet/inches or metric. There is no complicated manual to master or instructions to follow, just enter data and get precise results. HIGH VISIBILITY IN DIRECT SUNLIGHT White on black text, with blue and orange inputs and outputs for high visibility in direct sunlight. CALCULATORS INCLUDE: AGGREGATE Inputs: Width, Length, Thickness, Density, Wastage Outputs: Weight, Volume ASPHALT Inputs: Width, Length, Thickness Outputs: Weight, Volume BALUSTERS Inputs: Run length, Baluster width, Baluster spacing Outputs: Qty of balusters, Qty spaces, Baluster spacing (center-to-center), Baluster spacing (edge-to-edge), Measurements to far side of each baluster BOARD / LINEAL FOOT Inputs: Thickness, Width, Length, Quantity Outputs: Board feet, Lineal feet CONCRETE Inputs: Width, Length, Thickness, Use rebar option, Rebar spacing along width, Rebar spacing along length Outputs: Volume, 60lb premixed bags, 80lb premixed bags, 10kg premixed bags, 25kg premixed bags, 50kg premixed bags, Rebar required CROWN MOULDING Inputs: Wall angle (corner of wall), Crown (spring) angle Outputs: Miter angle, Bevel angle DROP CEILING Inputs: Length at ceiling, Width at ceiling, Tile size, Distance (anchor to drop ceiling) Outputs: Ceiling area, Ceiling tiles, Perimeter moulding, Main supports, Tee support peices, Wire length (each), Wire length (total), Wire anchors DRYWALL Inputs: Room width, Room length, Room height, Panel width, Panel height, Include ceiling option Outputs: Area - surface area. Materials - Drywall panels. Joint compounds - Readymixed, Lightweight readymixed, Setting-type, Lightweight setting-type. Fastener - Drywall nails, Drywall screws. Additional items: Joint tape, Primer, Adhesive FLOORING Inputs: Width, Length, Wastage, Square Ft or M per box Outputs: Total area, Boxes needed FRAMING Inputs: Total wall length, Qty of windows, Qty of doors, Qty of corners, Stud spacing (on center) Outputs: Studs required LINEAR COST ESTIMATOR Inputs: Single panel length, Qty of panels, Cost per linear foot, Cost per linear meter Outputs: Total cost, Total length PAINT Inputs: Wall length, Wall height, Number of coats, Surface type Outputs: Gallons required, Liters required RAFTER Inputs: Run, Pitch (/12") Outputs: Rafter length RISE/RUN/ANGLE Inputs: Rise, Run, Angle (Enter rise and either run or angle) Outputs: Angle, slope, Run ROOFING Inputs: Width, Length, Pitch, Sq ft or M per pack, Type, Nails, Safety margin Outputs: Roof surface area, Packs needed, Nails SQ COST ESTIMATOR Inputs: Width, Length, Cost per Sq ft or M Outputs: Total cost, Total area, Total area (acres)

About

Construction Calculator A1 Pro

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It helps estimate material quantities, steel tonnage, and perform complex measurements with ease. Users can also generate Bills of Quantities and export reports for clients.

Highlights
  • Concrete quantity estimation
  • Rebar bending schedule (BBS)
  • Feet-inches calculator
  • Area and volume calculations
  • Bill of Quantities (BOQ) export
  • Project organization and sharing
Features
Read full description

Trusted by 1M+ contractors, builders and engineers worldwide. Construction Calculator A1 Pro is a complete civil engineering toolkit for engineers, contractors, architects, site supervisors, quantity surveyors (QS) and real estate professionals. 500+ calculators take you from material estimation and RCC design all the way to a client-ready Bill of Quantities - on your iPhone, iPad and Apple Watch. EVERYTHING UNLOCKED, NO ADS - No advertising anywhere in the app - Unlimited calculations - no daily cap - Every calculator unlocked, including Draw Shape, GPS Area and the specialist trade tools - Unlimited favourites, recents and custom formulas - Cloud sync across your devices, included - One purchase. No subscriptions, no in-app purchases. IDEAL FOR - Civil Engineers & Contractors - RCC, beam, column, footing & reinforcement - Quantity Surveyors & Estimators - Fast, accurate material take-offs - Site Supervisors & Project Managers - On-site calculations and costing - Architects & Builders - Area, volume and design measurements - DIY Home Builders & Real Estate Professionals - Land and plot area NEW - BILL OF QUANTITIES (BOQ) - Add any calculation result straight to a BOQ - Organise work by project, track total value and % priced - Professional BOQ report with your company header and signature - Export as PDF or Excel and send to clients NEW - AUTOMATIC DRAWINGS - Calculators generate a dimensioned drawing of what you entered - Brickwork, steel/BBS shapes, concrete sections, excavation, stairs and more - Drawings and a DIMENSIONS/QUANTITIES panel in every PDF report NEW - MATERIAL PRICE LIBRARY - Store your own material rates in your own currency - Rates auto-fill into cost fields across the app - Six regional presets with local materials and units NEW - APPLE WATCH APP - Converter, material weight, volume, diagonal and rebar on your wrist - Prices synced from your iPhone, with full calculation history NEW - LEARN: STUDY & QUIZ - Civil engineering articles, checklists and reference charts - Topic quizzes with instant explanations - Daily streaks, XP, stars and achievement badges QUANTITY CALCULATORS - Concrete - slab, beam, column, footing, staircase, retaining wall, culvert - Steel & BBS - reinforcement weight, cutting length, bar bending schedules - Brick, Block & Plaster - walls, bonds, arches, AAC/CLC blocks - Flooring, Tile & Plywood - Paint - litres/gallons with coats and coverage - Water Tank - rectangular, cylindrical, spherical, capsule and more - Excavation & Backfill, Anti-Termite, Shuttering, Plum Concrete - Roofing - area, pitch, rafter length, gable and flat roofs - Infrastructure - road, rail, dam, sewage, water supply - Specialist trade tools - drywall, deck stain, vinyl fence, ladder angle and length, man-hours, arch - Construction Cost Estimator with breakdown charts and client quotations AREA & VOLUME - Plot area, rectangle, square, triangle, circle, trapezoid, polygons - Cube, cone, cylinder, sphere, prism, pyramid, frustum and more - Draw Shape and GPS Area for irregular plots UNIT CONVERTER - Length, area, volume, weight, pressure, power, speed, time, fuel, angle, density - Feet-inch-fraction construction calculator with a running tape SAVE, SHARE & SYNC - Save calculations, add notes and photos, organise in folders - Export PDF and Excel reports with your company logo and signature - iCloud and Google Drive backup - Cloud sync across all your devices WHY CHOOSE CONSTRUCTION CALCULATOR A1 PRO - Metric & Imperial - switch instantly in any calculator - Works offline - calculations need no internet - 16 languages - Light and dark themes - Home Screen widgets and Quick Actions - Clean interface built for the jobsite NEED HELP OR HAVE SUGGESTIONS? We value your feedback. Contact constructioncalculatorallinone@gmail.com for support or feature requests.

Screenshots

Construction Calc Pro 74 screens
Construction Calculator A1 Pro4 screens

Verdict

The call

Construction Calc Pro 7 and Construction Calculator A1 Pro both sit at 4.3 stars, but that hides the real split: 77% of Construction Calculator A1 Pro's written reviews are positive against 25% of Construction Calc Pro 7's. Construction Calculator A1 Pro also leads on in-app purchases (none vs 1) and ads (none vs shown). Construction Calc Pro 7's advantage is price (Free vs $39.99) and ratings volume (28 vs 8). On rating, update cadence, device support 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

Construction Calc Pro 7 is free to download; Construction Calculator A1 Pro costs $39.99 up front. Construction Calc Pro 7 sells 1 one-off in-app purchase. Construction Calculator A1 Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Construction Calc Pro 7 holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 28 and 8 respectively. Written reviews complicate that: 25% of Construction Calc Pro 7's written reviews are positive against 77% of Construction Calculator A1 Pro's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Construction Calc Pro 7 ships an update every 2 months, Construction Calculator A1 Pro monthly. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Construction Calc Pro 7 versus Construction Calculator A1 Pro: the parameters behind the verdict, then further details
ParameterConstruction Calc Pro 7Construction Calculator A1 Pro
PriceFree — better$39.99
Rating4.3 (28 ratings) — better4.1 (8 ratings)
Positive reviews25.0% of reviews76.9% of reviews — better
Number of ratings28 — better8
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.615.0 — better
Further details — not scored
Size88 MB126 MB
Age rating4+4+
DeveloperTroy KnightBinary And Bricks Pvt Ltd

Customer experience

Construction Calc Pro 7

All ratings28 ratings
Positive78.6%
Neutral7.1%
Negative14.3%
Written reviews8 reviews
Positive25.0%
Neutral37.5%
Negative37.5%

Construction Calculator A1 Pro

All ratings8 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews13 reviews
Positive76.9%
Neutral7.7%
Negative15.4%

In-app purchases

1 purchases

Construction Calc Pro 7

One-time1
  • Premium ad-free version$3.99
None

Construction Calculator A1 Pro

No in-app purchases

Questions

Is Construction Calc Pro 7 free?
Construction Calc Pro 7 is free to download, with in-app purchases available.
Is Construction Calculator A1 Pro free?
Construction Calculator A1 Pro costs $39.99, with no in-app purchases.
Which has better reviews, Construction Calc Pro 7 or Construction Calculator A1 Pro?
Construction Calc Pro 7 is rated higher. Construction Calc Pro 7 averages 4.3 out of 5 from 28 ratings, while Construction Calculator A1 Pro averages 4.1 from 8 ratings.
Do Construction Calc Pro 7 or Construction Calculator A1 Pro have ads?
Construction Calc Pro 7 shows ads; Construction Calculator A1 Pro does not.
Which is updated more often, Construction Calc Pro 7 or Construction Calculator A1 Pro?
Construction Calc Pro 7 ships an update every 2 months, and Construction Calculator A1 Pro monthly. Most recently, Construction Calc Pro 7 was updated on October 29, 2026 and Construction Calculator A1 Pro on November 3, 2026.

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