Construction Calculator A1 vs Triangle Angles Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Triangle Angles Calculator
Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.
- Calculate unknown triangle parameters from 2-3 known values
- Interactive visualization of triangle types
- Real-time calculations with intuitive interface
- Offline functionality
- Supports metric and imperial units
- Calculates sides, angles, area, perimeter, medians, and circles
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Triangle Calculator - Comprehensive Geometry Tool With this intuitive application, you can easily perform calculations for various types of triangles: * Right triangle (with 90° angle) * Scalene triangle (all sides and angles different) * Isosceles triangle (two equal sides, two equal angles) * Equilateral triangle (all sides equal, all angles 60°) Key features: - Calculate unknown parameters when you know just 2-3 values - Clear, interactive visualization of each triangle type - Simple and intuitive interface with real-time calculations - No internet connection required - works completely offline - Supports both metric and imperial units Parameters you can calculate: - All sides, heights, and angles - Perimeter and area - Medians and bisectors - Coordinates of the geometric center (centroid) - Radius and coordinates of inscribed and circumscribed circles - Projections and special components in right triangles Perfect for students, teachers, engineers, architects, designers, and anyone working with geometric calculations. Save time on complex triangle calculations and always get accurate results with proper precision. This powerful yet simple tool helps you solve triangle problems in seconds. Just input the known values and get comprehensive results with all related parameters calculated automatically. No ads, no subscriptions - just a clean, functional triangle calculator at your fingertips.
Screenshots
Verdict
The clearest difference is ads: Triangle Angles Calculator at none against Construction Calculator A1's shown. Triangle Angles Calculator also leads on review sentiment (100% vs 67%) and update cadence (every 3 days vs every 4 weeks). Construction Calculator A1's advantage is ratings volume (26 vs 1). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Triangle Angles Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Construction Calculator A1 has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Construction Calculator A1's written reviews are positive against 100% of Triangle Angles Calculator's.
Construction Calculator A1 ships an update every 4 weeks, Triangle Angles Calculator every 3 days. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.
| Parameter | Construction Calculator A1 | Triangle Angles Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (26 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 26 — better | 1 |
| Update frequency | Every 4 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 161 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Binary And Bricks Pvt Ltd | Dmitriy Trofimov |
Customer experience
Construction Calculator A1
Triangle Angles Calculator
In-app purchases
Construction Calculator A1
No in-app purchases
Triangle Angles Calculator
No in-app purchases
Questions
Is Construction Calculator A1 free?
Is Triangle Angles Calculator free?
Which has better reviews, Construction Calculator A1 or Triangle Angles Calculator?
Do Construction Calculator A1 or Triangle Angles Calculator have ads?
Which is updated more often, Construction Calculator A1 or Triangle Angles Calculator?
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