Comparison

Contractor Calc Pro vs BuildCalc

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

Head to head
About

Contractor Calc Pro

This app provides 20 essential construction calculators for instant material estimates with real costs. It offers fraction input, offline calculation, and the ability to save and export estimates as PDFs. Users can customize material prices for accurate local jobsite calculations.

Highlights
  • 20 essential construction calculators
  • Instant material estimates with real costs
  • Fraction input (5 1/2, 5' 6-1/2", decimals)
  • Offline calculation
  • Save and recall calculations by job name
  • Export professional PDF estimates
  • Customizable material prices
Features
Read full description

Stop juggling spreadsheets on the jobsite. Contractor Calc Pro puts 20 essential construction calculators in your pocket — instant material estimates with real costs. FREE CALCULATORS - Drywall Estimator — walls + ceiling sheets, screws, tape, mud & corner bead - Stair Calculator — rise, run, stringer length with IRC code pass/fail - Tap & Drill Chart — searchable UNC, UNF, Metric & NPT reference UNLOCK PRO ($4.99 one-time — no subscription, ever) - Gutter & Downspout — SMACNA sizing from roof area + rainfall - Insulation R-Value — IRC 2021 requirements by climate zone - Deck Materials — full BOM: boards, joists, posts, hardware, footings - Rebar Calculator — slab, footing & wall modes with cut list - Chimney & Flue — NFPA 211 flue sizing + materials - Septic System — tank, drain field & trench sizing by soil type - Spray Nozzle — GPA application rate + tank mix volumes - Board Feet — lumber volume and cost by species - Framing — stud count, plates, king/jack/cripple studs - Concrete — slab & pier volume, cubic yards, 60/80 lb bag counts - Roof Pitch — rafter length from pitch or angle - Roof Area — sloped surface from building footprint - Shingle Estimator — squares, bundles, underlayment, ridge cap - Hip/Valley Rafter — hip run, rafter length, jack common difference - Crown Moulding — compound miter angles for flat & nested cuts - Paint — gallons + primer from room dimensions - Fence — posts, pickets, rails & concrete for any fence run BUILT FOR THE JOBSITE - Fraction input — type 5 1/2, 5' 6-1/2", or decimals - Set your own material prices in Settings for accurate local estimates - Save calculations by job name — recall them anytime - Export professional PDF estimates to share with clients - Tap & Drill favorites — pin the sizes you use most - Calculate offline — no account, no tracking, no ads - Optional iCloud Drive backup — keep your estimates, quotes, and prices safe when you switch phones, all in your own iCloud (only you can see it) One payment. No subscription. No ads. No personal data collected — just anonymous usage diagnostics. Your estimates and quotes stay on your device, with optional backup to your own iCloud Drive that we never see.

About

BuildCalc

Features
Read full description

BuildCalc Pro is the free, no-ads construction calculator built for contractors, electricians, carpenters, and DIY pros. No subscriptions. No ads. Just fast, accurate calculations on the job site. CONCRETE - Slab calculator: cubic yards, cubic feet, and bag count - Column and tube calculator - Strip footing estimator FRAMING - Wall stud calculator (12", 16", 24" OC spacing) - Drywall sheet estimator - Lumber board feet calculator ROOFING - Shingle calculator with pitch multiplier - Roofing squares and bundle count ELECTRICAL - Ohm's Law: solve for any 2 of Voltage, Current, Resistance, or Watts - Wire gauge size guide - Conduit fill percentage with NEC pass/fail Privacy Policy: https://launchfast.live/buildcal/privacy.html Terms of service: https://launchfast.live/buildcal/terms.html

Screenshots

Contractor Calc Pro4 screens
BuildCalc3 screens

Verdict

The call

The clearest difference is in-app purchases: BuildCalc at none against Contractor Calc Pro's 1. BuildCalc also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). 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. Contractor Calc Pro sells 1 one-off in-app purchase. BuildCalc asks for nothing beyond the download.

Scorecard3 real differences · 6 level
Contractor Calc Pro versus BuildCalc: the parameters behind the verdict, then further details
ParameterContractor Calc ProBuildCalc
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size5 MB25 MB
Age rating4+4+
DeveloperZIma Logistics LLCLee Han sheng

In-app purchases

1 purchases

Contractor Calc Pro

One-time1
  • Pro Unlock$4.99
None

BuildCalc

No in-app purchases

Questions

Is Contractor Calc Pro free?
Contractor Calc Pro is free to download, with in-app purchases available.
Is BuildCalc free?
BuildCalc is free to download, with no in-app purchases.
Do Contractor Calc Pro or BuildCalc have ads?
Neither Contractor Calc Pro nor BuildCalc shows ads.

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