Comparison

Construction Calculator A1 vs BuilderSolve

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 app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It offers material quantity estimation, unit conversion, and professional features like BOQ export and project organization. Designed for contractors, builders, and engineers on job sites worldwide.

Highlights
  • Concrete material quantity calculation
  • Rebar bending schedule and weight calculation
  • Feet-inch arithmetic without decimal conversion
  • Area and volume calculations for 15+ shapes
  • Construction-specific unit conversions
  • Bill of Quantities (BOQ) export to PDF/Excel
  • Save and organize calculations by project
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

BuilderSolve

Features
Read full description

BuilderSolve - Construction Project Management Streamline your construction projects with BuilderSolve, the comprehensive project management solution designed specifically for builders, contractors, and construction professionals. Description: BuilderSolve puts powerful project management tools right at your fingertips. Whether you're managing small renovations or large construction projects, our intuitive platform helps you stay organized and in control. Key Features: Project Tracking: Monitor multiple projects with detailed cost breakdowns for labor, materials, and subcontractors Budget Management: Real-time budget tracking with separate categories for labor hours, material costs, and total expenses Change Order System: Create and manage change orders efficiently with detailed cost implications Resource Planning: Track labor hours by trade (painting, carpentry, etc.) and manage material allocations Estimate Creation: Build professional estimates with customizable line items and detailed cost structures Job Status Monitoring: Track projects through different phases - Planning, Production, and Warranty Multi-User Access: Collaborate with team members through role-based access controls Mobile-First Design: Access your projects anywhere with our responsive mobile interface Perfect for: General Contractors Construction Managers Project Managers Builders Renovation Specialists Trade Contractors Construction Business Owners Whether you're in the field or office, BuilderSolve helps you: Keep projects on budget and on schedule Reduce administrative overhead Improve team communication Track project progress in real-time Manage resources effectively Create professional documentation Download BuilderSolve today and transform how you manage your construction projects. Free version available with premium features for growing businesses. Note: This app requires an active internet connection for real-time data synchronization.

Screenshots

Construction Calculator A14 screens
BuilderSolve4 screens

Verdict

The call

The clearest difference is ads: BuilderSolve at none against Construction Calculator A1's shown. BuilderSolve also leads on update cadence (every 9 days vs every 4 weeks). On price, in-app purchases, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Construction Calculator A1 ships an update every 4 weeks, BuilderSolve every 9 days. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
Construction Calculator A1 versus BuilderSolve: the parameters behind the verdict, then further details
ParameterConstruction Calculator A1BuilderSolve
PriceFreeFree
Rating4.8 (26 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings26 — better—
Update frequencyEvery 4 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size161 MB60 MB
Age rating4+4+
DeveloperBinary And Bricks Pvt LtdTRICORP (SMC-PRIVATE) LIMITED

In-app purchases

None

Construction Calculator A1

No in-app purchases

None

BuilderSolve

No in-app purchases

Questions

Is Construction Calculator A1 free?
Construction Calculator A1 is free to download, with no in-app purchases.
Is BuilderSolve free?
BuilderSolve is free to download, with no in-app purchases.
Do Construction Calculator A1 or BuilderSolve have ads?
Construction Calculator A1 shows ads; BuilderSolve does not.
Which is updated more often, Construction Calculator A1 or BuilderSolve?
Construction Calculator A1 ships an update every 4 weeks, and BuilderSolve every 9 days. Most recently, Construction Calculator A1 was updated on October 15, 2026 and BuilderSolve on October 12, 2026.

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