Comparison

Construction Calculator Pro #1 vs OpusCalc Pro

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

Head to head
About

Construction Calculator Pro #1

This app provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.

Highlights
  • Dimensional conversions (feet-inch, decimal, metric)
  • Rafter, stair, and angle calculations
  • Area, volume, and material estimations
  • Roofing, drywall, and siding estimates
  • Quick input with preset fraction buttons
Features
Read full description

Construction Calculator Pro #1 The Smartest Tool for Builders, Contractors, and Tradespeople Whether you’re framing a roof, estimating materials, or laying out stairs, Construction Calculator Pro #1 gives you the precision, speed, and reliability you need on the job. Designed for professionals, this app offers a full suite of advanced construction math features — from dimensional conversions to complex angle and rafter calculations — all in one powerful, easy-to-use tool. Key Features: Advanced Construction Math • Easily switch between feet-inch-fractions, decimal feet, metric units, and more • Preset fraction buttons for quick and accurate input • Convert seamlessly between all major formats Rafter, Stair & Angle Solutions • Calculate rise, run, and diagonal instantly • Handle common, hip, valley, and jack rafters with ease • Get precise cuts and angles for stairs, rake walls, and compound miters Area, Volume & Material Estimations • Compute square footage, cubic volume, and plan areas • Estimate roofing (bundles, sheets, pitch), drywall, siding, and more • Quickly calculate block and footing quantities Why Professionals Choose It: • Eliminates guesswork and reduces costly errors • Saves time on-site and during planning • Offers the versatility of two top-tier construction calculators in one app Built for those who build. Download Construction Calculator Pro #1 and put industry-grade power in your pocket. Terms of Use: https://apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://equable-stock-b78.notion.site/Privacy-Policy-230ecf57511e8055b033ff10a63428be

About

OpusCalc Pro

Features
Read full description

OpusCalc Pro is a professional construction calculator for contractors, framers, and tradespeople — built for feet, inches, and fractions on the job site. Try all 11 calculators free. Get IRC-compliant stair layouts, concrete yardage, stud counts, rafter lengths, drywall sheets, and more — with a custom imperial keyboard designed for field use. 11 PROFESSIONAL CALCULATORS Stair Stringer: Get 2021 IRC-compliant layouts in seconds, including exact riser heights, tread counts, and total run. Roof Rafter: Master common, hip, and valley rafters with precise fractional outputs for any pitch. Stud Count: Calculate field studs, corners, T-wall intersections, openings, and plate material with adjustable 5%, 10%, or 15% waste margins. Drywall: Estimate sheet counts from gross area minus doors and windows, with adjustable waste. Paint: Calculate gallons needed by coat count, adjusted for doors and windows. Flooring and Tile: Convert any area into exact tile or box counts with adjustable waste factors so you never run short. Concrete Volume: Estimate cubic yardage for slabs, columns, and footings, including pre-mix bag counts. Block and Brick: CMU block and brick estimator with mortar bag counts and adjustable waste margins. Right Angle: Square up any layout instantly using 3-4-5 triangle math. Area and Volume: General area and cubic yard calculator with waste margin. Fractions: Convert between fractions and decimals in one tap. PROJECT MANAGEMENT (OPUSCALC PRO) With an OpusCalc Pro subscription, save calculations to named projects, sync across devices, and export branded PDFs via AirDrop, email, or Files. Your work is saved locally first and syncs to the cloud automatically when online. FIELD READY A high-contrast dark mode designed for readability in any lighting, featuring a custom imperial keyboard for fast fractional input in feet, inches, and fractions — the way you actually measure on the job site. OPUSCALC PRO SUBSCRIPTION Try all 11 calculators free before subscribing. Unlock unlimited calculations with a monthly or yearly plan. Payment is charged to your Apple ID. Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Support: support@opuscalc.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Built by RM Digital Enterprise LLC

Screenshots

Construction Calculator Pro #14 screens
OpusCalc Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: Construction Calculator Pro #1 at none against OpusCalc Pro's 2. OpusCalc Pro's advantage is update cadence (every 3 weeks vs every 12 months) and device support (3 vs 1). On price and ads 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. OpusCalc Pro sells 2 in-app purchases, starting at $2.99 per month. Construction Calculator Pro #1 asks for nothing beyond the download.

UpkeepUpdate frequency

Construction Calculator Pro #1 ships an update every 12 months, OpusCalc Pro every 3 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
Construction Calculator Pro #1 versus OpusCalc Pro: the parameters behind the verdict, then further details
ParameterConstruction Calculator Pro #1OpusCalc Pro
PriceFreeFree
Rating4.5 (97 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings97 — better—
Update frequencyEvery 12 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size15 MB50 MB
Age rating4+4+
DeveloperOryxRM Digital Enterprise LLC

In-app purchases

None

Construction Calculator Pro #1

No in-app purchases

2 purchases

OpusCalc Pro

Subscriptions2
  • OpusCalc Pro$2.991 Month
  • OpusCalc Pro$19.991 Year

Questions

Is Construction Calculator Pro #1 free?
Construction Calculator Pro #1 is free to download, with no in-app purchases.
Is OpusCalc Pro free?
OpusCalc Pro is free to download, with in-app purchases available.
Do Construction Calculator Pro #1 or OpusCalc Pro have ads?
Neither Construction Calculator Pro #1 nor OpusCalc Pro shows ads.
Which is updated more often, Construction Calculator Pro #1 or OpusCalc Pro?
Construction Calculator Pro #1 ships an update every 12 months, and OpusCalc Pro every 3 weeks. Most recently, Construction Calculator Pro #1 was updated on October 24, 2026 and OpusCalc Pro on October 8, 2026.

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