Quietflex Ductulator app icon

Apps Like Quietflex Ductulator for iPhone and iPad

by GOODMAN COMPANY, L.P. DBA GOODMAN HVAC COMPANY, L.P★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06

Quietflex Ductulator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Ductulator - Duct Sizing app icon

    Ductulator - Duct Sizing

    Wassim Murr

    Size ducts by friction rate or velocity

    Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.

    ★ 4.7245 ratingsProductivity$3.99Data updated 2026-09-06
  1. Greenheck Toolbox app icon

    Greenheck Toolbox

    Greenheck Fan Corporation

    Calculate fan laws and size ducts

    Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.

    ★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08
  2. Duct Calculator app icon

    Duct Calculator

    Pheinex, LLC

    Calculate size and performance

    Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.

    ★ 4.5182 ratingsUtilities$19.99Data updated 2026-09-06
  3. Ductulate HD app icon

    Ductulate HD

    Steven Ramsay

    Calculate air flow and duct sizes

    Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.

    ★ 4.824 ratingsUtilities$7.99Data updated 2026-09-08
  4. HVAC & Sheet Metal Calculator app icon

    HVAC & Sheet Metal Calculator

    Calculated Industries, Inc.

    Calculate duct offsets and angles

    Performs X, Y, R radius calculations and theta measurements. It includes -specific functions for ducting offsets and angle computations. Features dimensional math, geometry, and trigonometry tools for precise construction calculations.

    ★ 4.955 ratingsUtilitiesFreeData updated 2026-09-06
  5. Duct Calculator Elite app icon

    Duct Calculator Elite

    Cyberprodigy LLC

    Calculate size, velocity, and pressure drop

    ™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

    ★ 4.8232 ratingsUtilities$9.99Data updated 2026-09-08
  6. Duct Calculator S&P app icon

    Duct Calculator S&P

    S&P SISTEMAS DE VENTILACION SL.

    Calculate diameter and ventilation parameters

    Calculate dimensions by converting circular to rectangular equivalents. Determine ventilation parameters including diameter, airspeed, airflow, and dynamic pressure. Compute pressure drop for straight sections and systems.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  7. Round Photo app icon

    Round Photo

    Vitalij Schaefer

    Create photos and share them

    Create photos by setting diameter in pixels, millimeters, centimeters, or inches. Import or capture photos, zoom, and move images. Edit with filters, focus, effects, and text. Adjust colored borders. Save, print, email, or share the final image.

    ★ 4.82,804 ratingsPhoto & VideoFreeData updated 2026-09-06
  8. Digiduct app icon

    Digiduct

    Syska Hennessy Group, Inc.

    Calculate ducts, verify designs, track results

    Perform duct design calculations for rectangular, round, and flat oval shapes. Input dimensions and system parameters for accurate sizing. Verify calculations in real-time during field work. Sync with ASHRAE standards for reliable results.

    ★ 5.010 ratingsUtilitiesFreeData updated 2026-09-06
  9. Ring Sizer by Jason Withers © app icon

    Ring Sizer by Jason Withers ©

    Uniqo Lab FZC

    Measure size in metric or imperial units

    Measure size using metric or imperial units, choose diameter or circumference, and use visual guides for accurate measurement. Supports sizes for USA, Australia, UK, Europe, Japan, and China. Share size on social networks.

    ★ 4.56,770 ratingsUtilitiesFreeData updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.