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Best Construction Calculation Apps Free to Download for iPhone (2026)

9 of 12 ranked · · how we rank

9 construction calculation apps on iPhone are free to download; 1 reports none. Construction Master Pro Calc is the best of them at S tier, rated 4.8 by 40,278 people. The order below is the same S to F ranking as the full list, with the apps that cost money to download removed.

  1. 1
    Construction Master Pro CalcS#1 overall
    Free download · ★ 4.8 · 40,278 ratings · score 96
    Feet-inch-fraction calculator for construction math, covering rafters, stairs, roofing, concrete, and area and volume.
  2. 2
    Construction Master 5 CalcA#2 overall
    Free download · ★ 4.8 · 13,353 ratings · score 86
    Feet-inch-fraction calculator for construction and DIY work: layout, rafter, area, volume and unit conversion.
  3. 3
    Measure Master Pro CalculatorA#3 overall
    Free download · ★ 4.8 · 4,350 ratings · score 84
    Calculator app for U.S. And metric unit conversions, weight, geometry and dimensional math on iPhone and iPad.
  4. 4
    Material Estimator CalculatorA#4 overall
    Free download · ★ 4.8 · 3,142 ratings · score 83
    Calculates material quantities, costs, and unit conversions for building and DIY projects, with a built-in material.
  5. 5
    Feet & Inches Tape CalculatorA#5 overall
    Free download · ★ 4.4 · 9,263 ratings · score 81
    Calculates measurements in feet and inches, with fractions and mixed decimals, and shows results on a visual tape.
  6. 6
    Pipe Trades Pro CalcB#6 overall
    Free download · ★ 4.8 · 4,374 ratings · score 75
    Calculator app for pipe trades covering pipe layout, fluid flow, pressure loss and pipe data, usable offline.
  7. 7
    Concrete Calculator PlusC#7 overall
    Free download · ★ 4.8 · 26,198 ratings · score 70
    Utility app with 15 calculators to estimate concrete, block wall, mortar, rebar and gravel quantities.
  8. 8
    HVACR Check & ChargeC#8 overall
    Free download · ★ 4.8 · 17,369 ratings · score 69
    Mobile refrigerant charge calculator for HVACR systems that uses superheat, subcooling, or airflow with system.
  9. 9
    Landscaping Calculator PlusC#10 overall
    Free · ★ 4.8 · 3,297 ratings · score 63
    Free utility with 10 calculators to estimate landscaping materials such as gravel, soil, mulch, and concrete.

Questions people ask

Which construction calculation app that is free to download is best on iPhone?
Construction Master Pro Calc, S tier, #1 overall in construction calculation. It is free to download.
Does a construction calculation app that is free to download reach S or A tier?
Yes, Construction Master Pro Calc, Construction Master 5 Calc, Measure Master Pro Calculator, Material Estimator Calculator, Feet & Inches Tape Calculator.

See all 12 construction calculation apps ranked →