Comparison

Construction Calculator vs Carpenter Pro Calc

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

Head to head
About

Construction Calculator

Features
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Forget typing decimals. Just scroll. Construction Calculator: Tape reimagines how you calculate on the job site. Designed for pros who live by the tape measure, our unique "Dual-Wheel Input" lets you dial in measurements exactly as you read them—Feet, Inches, and Fractions. WHY YOU'LL LOVE IT: TAPE MEASURE INPUT Stop pecking at tiny keypads. Use our intuitive scrolling wheels to input 5' 7 1/4" in seconds. It feels natural, fast, and mistake-free. INSTANT FRACTION MATH Add, subtract, multiply, and divide dimensions effortlessly. Handles mixed units (Feet, Inches, Fractions) automatically. Visualizes results in both standard Tape format and decimal format. BUILT FOR THE JOBSITE Haptic Feedback: Feel every "click" of the wheel for precision control. High Contrast UI: Easy to read in bright sunlight or dim basements. Smart History: Quickly recall your recent calculations. PERFECT FOR: Carpenters & Framers Woodworkers General Contractors DIY Renovators Simplify your carpentry math today. Download Construction Calculator: Tape. Privacy Policy: https://pentagonal-spinach-2f8.notion.site/PRIVACY_POLICY-306f8d4d1bcb803798ddf5e675ebe185 Terms of Use (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Carpenter Pro Calc

This comprehensive calculator is designed for construction professionals, offering a wide range of tools for measurements, estimations, and layout calculations. It provides both free and pro features, all accessible offline and without ads.

Highlights
  • Fractional math for measurements
  • Unit conversion for various metrics
  • Area and roof pitch calculations
  • Stair and rafter layout tools
  • Material and concrete slab estimation
  • Framing and tile layout assistance
  • Offline functionality
Features
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Built in 2026, not 2012. Carpenter is the trade calculator for carpenters, framers, roofers, and remodelers who are tired of plastic-calculator emulators, ads mid-job, and per-trade upsells. One-time $14.99. Full Pro toolkit. All IRC editions. Forever. FREE CALCULATORS • Feet-Inch Calculator — fractional math (5'4 1/2" + 3'7 3/8") with configurable precision (1/2, 1/4, 1/8, 1/16, 1/32) • Unit Converter — Length, Area, Volume, Temperature, Weight, Pressure (ft↔m, in↔mm, ft²↔m², yd³↔m³, °F↔°C, lb↔kg, psi↔kPa) • Area Calculator — rectangle, triangle, circle, trapezoid • Roof Pitch Calculator — rise/run ↔ angle ↔ slope % PRO CALCULATORS — $14.99 one-time (V1.0) • Stair Calculator — total rise/run, treads, IRC R311.7 layout, feet-inch fractions • Rafter Calculator — common, hip, valley, jack, ridge cut, birdsmouth, tail cut, plumb/bevel • Material Estimator — board feet, lineal feet, sheet goods, waste • Concrete Slab — yards, 60lb/80lb bags, rebar grid, expansion joints • Framing Layout — wall studs (16/19.2/24 OC), plates, blocking, header sizing per IRC R602 • Tile Layout — area + grout joint + waste, per-box, layout offset • Roof Coverage — squares, bundles, ridge cap, drip edge, underlayment REFERENCE TABLES • IRC R602 — stud spacing • IRC R311 — stair geometry • IRC R905 — roofing material reference • Lumber dimensions (nominal vs actual) WHY CARPENTER? - No ads. Ever. - No accounts. No sign-in. - All IRC editions included — 2018, 2021, 2024 (no future upsell) - No subscription required — $14.99 once, forever - 7-day free trial of Pro - 100% offline — no signal needed on the jobsite - Dark mode + glove-friendly tap targets - Universal — iPhone + iPad in one purchase Same pricing model as Conduit — our sister electrician calculator. You buy it once, you own it forever. That's the deal. — LEGAL — Privacy Policy: https://panxiang1017.github.io/StaticPage/privacy-policy.html Terms of Use (EULA): https://panxiang1017.github.io/StaticPage/terms-of-use.html

Screenshots

Construction Calculator4 screens
Carpenter Pro Calc4 screens

Verdict

The call

The clearest difference is iOS requirement: Construction Calculator at 15.0 against Carpenter Pro Calc's 18.0. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Construction Calculator sells 3 in-app purchases, starting at $2.99 per month and Carpenter Pro Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 8 level
Construction Calculator versus Carpenter Pro Calc: the parameters behind the verdict, then further details
ParameterConstruction CalculatorCarpenter Pro Calc
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 6 days
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size18 MB2 MB
Age rating4+4+
Developer成都锐世创宇科技有限公司向 潘

In-app purchases

3 purchases

Construction Calculator

Subscriptions2
  • Monthly Pro Subscription$2.991 Month
  • Yearly Pro Subscription3 Days trial$19.991 Year
One-time1
  • Lifetime Pro Access$39.99
1 purchases

Carpenter Pro Calc

One-time1
  • Carpenter Pro — Unlock All$9.99

Questions

Is Construction Calculator free?
Construction Calculator is free to download, with in-app purchases available.
Is Carpenter Pro Calc free?
Carpenter Pro Calc is free to download, with in-app purchases available.
Do Construction Calculator or Carpenter Pro Calc have ads?
Neither Construction Calculator nor Carpenter Pro Calc shows ads.

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