Comparison

Metal Calculator A1 Pro vs OConstruction

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

Head to head
About

Metal Calculator A1 Pro

This app simplifies metal quantity calculations for various projects. It offers tools for calculating quantities, shapes, joints, and performing material tests. Supports both Imperial and Metric systems, with a wide range of metal types and converters.

Highlights
  • Quantity calculations for pipes, bars, sheets, and beams
  • Shape customization for metal bars
  • Detailed joint calculations (welded, bolted, riveted)
  • Material testing (fatigue, bend, hardness, impact, tensile)
  • Unit converters (length, volume, density)
  • Support for various metal types and materials
  • Detailed reporting and user-friendly interface
Features
Read full description

Metal Calculator A1 Pro - the complete metal weight calculator, steel price calculator, fabrication estimator, and welding tool for steel, stainless steel, aluminium, copper, brass, and 100+ metals. Trusted by metal traders, scrap dealers, fabricators, welders, and civil & mechanical engineers to calculate metal weight, price, cutting waste, and fabrication quotes in seconds - no more weight tables or guesswork. --- CALCULATE WEIGHT OF ANY METAL SECTION --- - Round bar, square bar, hex bar, flat bar, angle, channel, I-beam, pipe, square & rectangular tube, sheet & plate - Dimensions in mm, cm, m, ft, in - including feet-inch fractions (like 5 ft 6 1/2 in) - Weight per piece, per metre, per foot & total (kg, t, lb) - Reverse calculation: enter target weight to get required length and pieces - Pipe schedules (Sch 40/80) & sheet gauge presets (SWG/BWG/MSG) --- INSTANT PRICE & TAX QUOTE --- - Live price calculation with your rate per kg - Regional tax presets (GST, VAT, sales tax) in your local currency - Save rate per material with auto-fill - Share formatted quotes on WhatsApp in one tap --- FABRICATION ESTIMATOR --- - 8 products: Gate, Grill, Railing, Fence, Staircase, Shed, Mezzanine, Shutter & Tank - Automatic cut list, weld length, paint area & labour hours - Member schedule with section sizes & PDF estimate sharing --- WELDING CALCULATOR --- - Electrode count, weld metal weight & welding cost - Fillet & groove weld calculations - Weld joint types with technical drawings & symbol guide --- SHEET METAL WORK --- - Flat pattern nesting optimizer to minimize scrap - Cone & elbow development with unfolded blank sizes - Bend allowance (K-factor) calculator for press brake - Template PDF export for workshop fabrication --- CUT OPTIMIZER --- - 1D cutting stock optimizer to minimize offcuts & scrap - Compare optimized vs. sequential cutting - Kerf width and stock length settings with PDF cut plan --- SURFACE TREATMENT --- - Paint area calculator for structural steel sections - Primer, enamel & epoxy coverage with coat count - Hot-dip galvanizing weight estimator --- QUOTATION & INVOICING --- - Professional quotations with client details & line items - Tax breakdown: GST (CGST+SGST/IGST), VAT, or sales tax - Discount, freight & transport charges - Branded PDF with logo, signature & total in words --- 5 ENGINEERING CONVERTERS --- - SWG / BWG / MSG gauge to mm thickness - Weight per length: kg/m to lb/ft - Stress: MPa to psi, ksi, kgf/cm2 - Hardness: Brinell (HB) to Rockwell (HRC) to Vickers (HV) - Grade cross-reference: IS E250 to ASTM A36 to EN S275 to JIS SS400 --- STUDY LIBRARY & CHECKLISTS --- - 30+ engineering guides: Steel grades, SS, Aluminium, Coatings, Welding defects, NDT, IS 800, AISC 360, EN 1993 & Safety - Interactive inspection checklists with YES / NO / N/A audit and color PDF report - 100% offline access - zero data required --- ACCURATE & COMPREHENSIVE --- - Verified densities for 100+ alloys (mild steel, SS 304/316, Al 6061, copper, brass, titanium) - Multi-item projects & material lists (BOQ) - Unit converter & scientific calculator included - 22 languages: English, Hindi, Spanish, Arabic, Portuguese, Russian, French, German, Italian, Turkish, Indonesian, Vietnamese, Thai, Urdu, Persian & Indian regional languages - Metric & imperial units, dark mode, 100% offline support --- PRO SUBSCRIPTION --- Core calculations are free. Upgrade to Pro for unlimited PDF estimates, quotations, projects (BOQ), and an ad-free experience. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Terms of Service: https://binaryandbricks.com/app/termsofservice.html Privacy Policy: https://binaryandbricks.com/app/appsprivacypolicy.html

About

OConstruction

Features
Read full description

Orangescrum Construction is a specialized project management tool designed for the construction industry, streamlining workflows, communication, and task management. It provides features like resource allocation, task scheduling, project tracking, and collaboration tools, ensuring seamless coordination between teams and stakeholders. With Orangescrum Construction, construction managers can efficiently handle timelines, budgets, and documentation while keeping all project data centralized. Its user-friendly interface and industry-specific features make it ideal for managing large-scale construction projects effectively and on time.

Screenshots

Metal Calculator A1 Pro4 screens
OConstruction4 screens

Verdict

The call

The clearest difference is in-app purchases: OConstruction at none against Metal Calculator A1 Pro's 4. OConstruction also leads on update cadence (every 4 days vs every 6 months). Metal Calculator A1 Pro's advantage is iOS requirement (15.0 vs 17.6). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Metal Calculator A1 Pro sells 4 in-app purchases, starting at $1.99 per month. OConstruction asks for nothing beyond the download.

UpkeepUpdate frequency

Metal Calculator A1 Pro ships an update every 6 months, OConstruction every 4 days. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Metal Calculator A1 Pro versus OConstruction: the parameters behind the verdict, then further details
ParameterMetal Calculator A1 ProOConstruction
PriceFreeFree
Rating4.6 (5 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size94 MB27 MB
Age rating4+4+
DeveloperBinary And Bricks Pvt Ltdpriyabrata gharai

In-app purchases

4 purchases

Metal Calculator A1 Pro

Subscriptions2
  • Metal Monthly Subscription$1.991 Month
  • Metal Yearly Subscription$12.991 Year
One-time2
  • Pro Version$12.99
  • Pro version$12.99
None

OConstruction

No in-app purchases

Questions

Is Metal Calculator A1 Pro free?
Metal Calculator A1 Pro is free to download, with in-app purchases available.
Is OConstruction free?
OConstruction is free to download, with no in-app purchases.
Do Metal Calculator A1 Pro or OConstruction have ads?
Neither Metal Calculator A1 Pro nor OConstruction shows ads.
Which is updated more often, Metal Calculator A1 Pro or OConstruction?
Metal Calculator A1 Pro ships an update every 6 months, and OConstruction every 4 days. Most recently, Metal Calculator A1 Pro was updated on October 25, 2026 and OConstruction on October 18, 2026.

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