Comparison

Construction Calculator A1 vs Hajeri Attendance Application

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 civil engineering toolkit offers over 500 calculators for contractors, builders, and engineers. It provides instant material quantities, rebar calculations, unit conversions, and features for creating Bills of Quantities with automatic drawings and material price libraries. The app also includes educational resources and project management tools.

Highlights
  • 500+ construction calculators
  • Concrete, rebar, and steel calculations
  • Feet-inches calculator
  • Bill of Quantities (BOQ) generation
  • Automatic drawings and sketches
  • Material price library
  • Unit converter
  • Project organization and cloud sync
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

Hajeri Attendance Application

Features
Read full description

This is an Employee attendance application for Maha Mumbai Metro Operation Corporation Limited named as Hajeri. All the employees can mark their daily check-in and check-out attendance using this application. Employees can check their attendance history on history page of the application. Change password and Forgot password are the additional password supporting options are there in Hajeri application.

Screenshots

Construction Calculator A14 screens
Hajeri Attendance Application4 screens

Verdict

The call

The clearest difference is in-app purchases: Hajeri Attendance Application at none against Construction Calculator A1's 6. Hajeri Attendance Application also leads on ads (none vs shown). On price, 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

Both are free to download. Construction Calculator A1 sells 6 in-app purchases, starting at $2.99 per month. Hajeri Attendance Application asks for nothing beyond the download.

UpkeepUpdate frequency

Construction Calculator A1 ships an update every 4 weeks, Hajeri Attendance Application monthly. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Construction Calculator A1 versus Hajeri Attendance Application: the parameters behind the verdict, then further details
ParameterConstruction Calculator A1Hajeri Attendance Application
PriceFreeFree
Rating4.7 (29 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings29 — better—
Update frequencyEvery 4 weeks — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size182 MB12 MB
Age rating4+4+
DeveloperBinary And Bricks Pvt LtdMaha Mumbai Metro Operation Corporation Limited

In-app purchases

6 purchases

Construction Calculator A1

Subscriptions2
  • Pro access monthly subscription$2.991 Month
  • Pro access yearly subscription7 Days trial$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

Hajeri Attendance Application

No in-app purchases

Questions

Is Construction Calculator A1 free?
Construction Calculator A1 is free to download, with in-app purchases available.
Is Hajeri Attendance Application free?
Hajeri Attendance Application is free to download, with no in-app purchases.
Do Construction Calculator A1 or Hajeri Attendance Application have ads?
Construction Calculator A1 shows ads; Hajeri Attendance Application does not.
Which is updated more often, Construction Calculator A1 or Hajeri Attendance Application?
Construction Calculator A1 ships an update every 4 weeks, and Hajeri Attendance Application monthly. Most recently, Construction Calculator A1 was updated on November 11, 2026 and Hajeri Attendance Application on November 6, 2026.

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