# Construction Calculator: Pro² — Deck, Roof, Stairs & Concrete > Construction calculator for decking, roofing, stairs, concrete, and measurements. (iPhone/iPad app by Shapkin Dev.) - Source: https://appshunter.io/ios/app/construction-calculator-pro/id6753908597 (this page in markdown: same URL + `.md`) - Developer: [Shapkin Dev](https://appshunter.io/developer/1845645309) - Category: Utilities, Productivity - Price: Free with in-app purchases - Rating: 4.90/5 from 17 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 41 MB - Languages: American English, Arabic, Bangla, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France) and 34 more - Released: 2025-11-03 - Data updated: 2026-08-28 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews.md ## What is Construction Calculator? Build faster, measure smarter. Pro² is a complete construction calculator for decking, roofing, concrete, stairs, framing and precise on-site measurements. It’s made for builders, carpenters, contractors and serious DIY who need accurate answers in seconds. DECKING & FLOORING • Area, board runs, spacing and waste allowance • Material takeoff for boards and joists ROOFING (METAL & TILE) • Coverage and sheet/tile counts • Overhangs, pitch, angle and rafter length helpers STAIRS & STRINGERS • Rise/run, slope %, angle (°) and stringer length • Clear breakdowns and step-by-step visuals BALUSTERS, RAILING & EVEN SPACING • Perfect marks from 0 to full length • Spacing tables for clean, consistent layouts CONCRETE, ASPHALT, GRAVEL & SOIL • Volume estimators for slabs, pads, footings and fills • Smart rounding for real-world quantities SLOPE, PITCH & ANGLES • Fast framing helpers for cuts and layout • Metric and imperial support in every tool UNIT CONVERTER • Length, area, volume, density and weight • Built for mixed-unit jobs (mm, ft, inches) QUICK CALCULATOR • Running history with one-tap copy/share MADE FOR THE JOBSITE • Fraction support and practical defaults • Works fully offline—no signal required • Clean visuals that stay readable outdoors WHY PROS USE PRO² • One app instead of juggling multiple separate tools • Accurate results, simple inputs and clear diagrams • New tools and improvements arrive regularly based on user feedback Pro² is built for professional construction, carpentry, decking, roofing and framing work—yet intuitive enough for DIY home projects. Upgrade to unlock additional tools and advanced features when you’re ready to grow your toolkit. SUBSCRIPTION TERMS • Carpenter Pro is an optional auto-renewing subscription with Weekly and Annual plans. • A 3-day free trial is available on the Annual plan. • Payment is charged to your Apple ID and subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. • You can manage or cancel your subscription in your App Store account settings. • Lifetime is a one-time purchase and does not auto-renew. • The localized price is shown in-app before you confirm. Terms of Use (Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shapkin.dev/apps/carpenter/privacy.html ## Key features - Decking and flooring calculations - Roofing material and coverage estimators - Stair and stringer rise/run calculations - Concrete, asphalt, and gravel volume estimators - Slope, pitch, and angle framing helpers - Unit converter with mixed-unit support - Offline functionality ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Carpenter PRO - Weekly | $2.99 | per 7 days | | Carpenter PRO — Annual | $19.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Access | $39.99 | one-time | | RL Level & Benchmark Calculator | $3.99 | one-time | | Gravel Volume Calculator | $3.99 | one-time | | Stair Stringer & Rise Run Calc | $3.99 | one-time | | Soil Excavation Volume Calculator | $3.99 | one-time | | Asphalt Tonnage Calculator | $3.99 | one-time | | Right Triangle & Pitch Calculator | $3.99 | one-time | | Running Measurements Calculator | $3.99 | one-time | | Unit Converter: Feet & Metric | $3.99 | one-time | | Paint Area Coverage Estimator | $3.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews.md ### 5/5 — Awesomeness *2026-05-07* 10 **Developer response:** Thank you so much! Glad you like the construction calculator. More building calculators, carpenter tools, and offline improvements are coming soon. ### 5/5 — Premier tour je suis impressionné *2026-03-03* Bravo après quelques essais je vais maîtriser ça facilement merci **Developer response:** Merci beaucoup ! Heureux que le calculateur de construction vous plaise déjà. Après quelques utilisations, tout devient très rapide et pratique sur le chantier. D’autres outils pour artisans et calculateurs hors ligne arrivent bientôt. ## Frequently asked questions about Construction Calculator ### What is Construction Calculator: Pro²? Construction Calculator: Pro² is a utility app designed to provide precise calculations for various construction tasks including decking, roofing, stairs, and concrete. It aims to help professionals and DIYers measure smarter and build faster with accurate, on-site calculations. ### Does Construction Calculator: Pro² have ads? No, Construction Calculator: Pro² does not contain advertisements. The app is free to download and use, with optional in-app purchases for additional tools and advanced features. ### What construction tasks can Construction Calculator: Pro² help with? Construction Calculator: Pro² can assist with decking and flooring area, board runs, and waste allowance. It also provides estimators for roofing coverage, stair rise/run and stringer lengths, concrete volume, and framing helpers for slopes and angles. ### Can I use Construction Calculator: Pro² offline? Yes, Construction Calculator: Pro² is designed to work fully offline, meaning no signal is required for its calculations. This makes it ideal for use on job sites where internet connectivity may be unreliable. ### What are the subscription options for Construction Calculator: Pro²? Construction Calculator: Pro² offers optional auto-renewing subscriptions for 'Carpenter Pro' with Weekly and Annual plans. A 3-day free trial is available for the Annual plan. There is also a lifetime one-time purchase option. ### How accurate are the calculations in Construction Calculator: Pro²? The app is built for professional construction and emphasizes accurate results with simple inputs and clear diagrams. It supports fraction support and practical defaults, ensuring practical usability for jobsite tasks. ### What devices does Construction Calculator: Pro² support? Construction Calculator: Pro² is currently supported on iPhone devices. It is designed with clean visuals that remain readable outdoors, suitable for on-site use. ### How often is Construction Calculator: Pro² updated? New tools and improvements are regularly added to Construction Calculator: Pro² based on user feedback. The latest version is 1.7, last updated on May 30, 2026. ## Version history (last 5 releases) ### 1.12.0 — 2026-08-26 • New Quick Share: send the result of a construction calculation as an image directly from the calculator. • Exporting is easier with improved previews and clearer Save PNG and Share PDF actions. • Calculator inputs, results, and tables are clearer and easier to use, with smoother adjustments in the stair calculators. • Improved support for iPhone accessibility features provides a smoother experience. ### 1.11.0 — 2026-07-25 New L-shaped and U-shaped stair calculators support winders or landings, results for every flight, comfort checks, detailed plan and elevation views, tread layouts, and PNG/PDF export. ### 1.10.0 — 2026-07-11 What's New in 1.10.0 • Added the new Brick & Block Wall Calculator. • Improved Straight Stairs input fields and result layout. • Added PNG/PDF export support for the new wall calculator. • Improved input behavior, haptics, localization, and overall stability. ### 1.9 — 2026-07-04 A major upgrade for Straight Stairs. Based on feedback from builders, carpenters, and DIY users, the Straight Stairs calculator has been rebuilt into a more complete stair layout tool. What’s new: • New stair diagram with rise, run, angle, and stringer length • Choose what you know: tread depth or total run • Adjustable number of risers with automatic layout updates • Comfort check using the classic 2 × rise + tread rule • Headroom & floor opening check for upper-floor clearance • Step diagram for riser height and tread depth • Stringer layout table with rise, run, and stringer marks • Improved Metric and Imperial support • Better PNG/PDF exports with diagrams and mark-out data This update makes it easier to plan a straight stair, check the layout, and share the result from the jobsite or workshop. ### 1.8 — 2026-06-25 New: Spiral Stair Calculator Plan spiral stairs from total rise, ideal rise, inside radius, tread length, and total rotation. Calculate risers, treads, actual rise, angles, stringer lengths, vertical separation, arcs, chords, and outside diameter. Review top, tread, and side diagrams with a detailed measurement table for every tread. Work in Metric or Imperial units and export the layout as PDF or PNG. We have also improved stair navigation and refined terminology throughout the app. ## Apps similar to Construction Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Carpentry Calculator](https://appshunter.io/ios/app/carpentry-calculator/id1586739365) | 5.0 (1) | Free | Utilities | | [Carpentry & Trim Calculator](https://appshunter.io/ios/app/carpentry-and-trim-calculator/id6744852048) | 4.2 (6) | Free | Utilities | | [Concrete Calculator Estimator](https://appshunter.io/ios/app/concrete-calculator-estimator/id6468353781) | 5.0 (5) | Free | Utilities | | [Carpenter Tools - Calculator](https://appshunter.io/ios/app/carpenter-tools-calculator/id6757513389) | 4.9 (8) | Free | Utilities | | [Baluster Spacing Calculator](https://appshunter.io/ios/app/baluster-spacing-calculator/id6757098525) | — | Free | Utilities | | [Construction Calculator Al -](https://appshunter.io/ios/app/construction-calculator-al/id6744296879) | 5.0 (2) | Free | Utilities | ## Related topics [construction calculator pro 2](https://appshunter.io/ios/topics/construction-calculator-pro-2) · [baluster calculator](https://appshunter.io/ios/topics/baluster-calculator) · [baluster spacing calculator](https://appshunter.io/ios/topics/baluster-spacing-calculator) · [roofing calculator planner](https://appshunter.io/ios/topics/roofing-calculator-planner) · [construction tools](https://appshunter.io/ios/topics/construction-tools) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*