Construction Calculator A1 vs DigitalEdgeDC EHS
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
Read full descriptionHide 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.
DigitalEdgeDC EHS
Read full descriptionHide full description
Digital Edge DC App provides Safety Aspects - Safety observation and reporting - for better EHS outcomes. This application is designed to help users to report any kind of Incident, Near-miss and Safety Observations Reports. Key Features of App: Safety observation and reporting Real-Time Tracking : -- Record and maintain the details of Incident and Near-miss, which happen in Field Area. -- Report any unsafe acts, unsafe conditions observation in Workplace Area. -- All the authorities get aware of the ongoing reports and can track Safety report’s status. Corrective and Preventive Actions Tracking : -- Allow tracking and closure of corrective and preventive measures. Instant Notifications : -- All the involved authorities get instantly notified so that they can act accordingly in a timely manner.
Screenshots
Verdict
The clearest difference is ads: DigitalEdgeDC EHS at none against Construction Calculator A1's shown. DigitalEdgeDC EHS also leads on iOS requirement (11.0 vs 15.0). Construction Calculator A1's advantage is update cadence (every 4 weeks vs every 3 months). 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.
Construction Calculator A1 ships an update every 4 weeks, DigitalEdgeDC EHS every 3 months. The most recent releases landed on September 30, 2026 and September 14, 2026 respectively.
| Parameter | Construction Calculator A1 | DigitalEdgeDC EHS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (26 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 4 weeks — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 161 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Binary And Bricks Pvt Ltd | Digital Edge |
In-app purchases
Construction Calculator A1
No in-app purchases
DigitalEdgeDC EHS
No in-app purchases
Questions
Is Construction Calculator A1 free?
Is DigitalEdgeDC EHS free?
Do Construction Calculator A1 or DigitalEdgeDC EHS have ads?
Which is updated more often, Construction Calculator A1 or DigitalEdgeDC EHS?
Other comparisons















