Greenheck Toolbox app icon

Apps Like Greenheck Toolbox for iPhone and iPad

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.

by Greenheck Fan Corporation★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08

Greenheck Toolbox screenshots

Ranked alternatives

Showing 241–260 of 1,000 ranked alternatives.

  1. Physics Toolbox Magnetometer app icon

    Physics Toolbox Magnetometer

    Chrystian Vieyra

    Measure magnetic fields in 3D

    Measure magnetic field strength in microtesla units across x, y, and z axes. Display total magnetic field magnitude. Detect Earth's magnetic field and identify permanent magnets or electromagnetic fields.

    ★ 5.07 ratingsEducationFreeData updated 2026-09-10
  2. Beam Engineering lite app icon

    Beam Engineering lite

    V PUGAZHENTHI

    Calculate parameters and convert units

    Calculator provides tools to analyze and convert and Civil parameters. Users can calculate critical bending moments for rectangular, open, and nonuniform cross sections. Additional calculators for stress and deflection are available via in- purchase.

    ★ 4.432 ratingsUtilitiesFreeData updated 2026-09-10
  1. TELEDYNE ISCO FlowCalc app icon

    TELEDYNE ISCO FlowCalc

    FutureSight Studios Ltd

    Calculate flow rates instantly

    Calculate flow rates using open channel methods. Select weir, flume, or channel type. Input dimensions and head or velocity. Get instant results. Sync with devices for field or office use.

    ★ 4.52 ratingsUtilitiesFreeData updated 2026-09-06
  2. DD Toolbox app icon

    DD Toolbox

    Resonance, Inc US

    Tools for high performance car audio.

    The app provides tools for setting up and analyzing car audio systems. It includes a power calculator, tone generator, and DD Box calculator for determining system output and impedance.

    ★ 3.713 ratingsUtilitiesFreeData updated 2026-10-09
  3. HVAC Toolkit Ultimate app icon

    HVAC Toolkit Ultimate

    Carmel Software Corporation

    HVAC calculations for field use.

    The app offers HVAC calculations for residential and commercial buildings. It includes modules for equipment location, refrigerant properties, duct sizing, and psychrometric analysis.

    ★ 3.04 ratingsProductivity$59.99Data updated 2026-09-16
  4. McDantim EasyBlend Calculator app icon

    McDantim EasyBlend Calculator

    McDantim, Inc.

    Calculate gas blend for beverage dispensing

    Calculate optimal CO2 and nitrogen blend ratios based on beverage temperature, keg pressure, CO2 content, elevation, and existing gas blend. Determine suitable pressure ranges for dispensing draught beverages.

    ★ 4.24 ratingsProductivityFreeData updated 2026-09-10
  5. TEC Excelsior HVAC Pro+ app icon

    TEC Excelsior HVAC Pro+

    Watsco, Inc.

    Access product info and tools anytime

    Access account information to view pricing, order status, and real-time product availability at preferred branches. Link accounts for seamless data access. Track inventory and manage orders directly from the .

    ★ 4.310 ratingsProductivityFreeData updated 2026-09-06
  6. Unit Circle Calculator PRO app icon

    Unit Circle Calculator PRO

    Glindemann, Sennoun, Langer GbR

    Calculate trigonometric values step by step

    Calculate trigonometric values for the by inputting radians or angles. Display step-by-step solutions and support negative numbers, decimals, and fractions. Save calculations in history and share results.

    ★ 4.724 ratingsEducation$1.99Data updated 2026-09-06
  7. PetPregnancy app icon

    PetPregnancy

    DoelBewust-ICT B.V.

    Calculate pet delivery and adoption dates.

    The app calculates a pet's delivery date based on the mating date. It also estimates when newborn pets are ready for a new home.

    ★ 2.225 ratingsUtilitiesFreeData updated 2026-10-19
  8. Hydraulic-Calculator app icon

    Hydraulic-Calculator

    Zanthic Automation Inc.

    Calculate forces and speeds

    Calculate cylinder forces and speeds. Determine pump speed, torque, and power using displacement, flow, and pressure. Compute fluid velocity, cross-sectional area, and Reynolds number for lines.

    ★ 4.117 ratingsProductivityFreeData updated 2026-09-08
  9. Spill Calc - Pro app icon

    Spill Calc - Pro

    Kelly Gayneaux

    Calculate volume across shapes and ground types

    Calculate volume for liquids and saturated soils using input dimensions. Estimate in barrels and gallons. Break spills into sections for tracking. Add custom notes for each .

    ★ 4.03 ratingsProductivity$0.99Data updated 2026-09-06
  10. SCR MAXFLO™ app icon

    SCR MAXFLO™

    Southwire Company

    Calculate pressure drop and fluid velocity

    Calculate pressure drop, fluid velocity, Reynolds number, and friction factor for liquids and gases. Create custom projects, add and edit pipes, fluids, and fittings. Switch between metric and imperial units. Share calculations with other users.

    ★ 4.65 ratingsUtilitiesFreeData updated 2026-09-10
  11. Deck Help app icon

    Deck Help

    Armchair Engineering

    Calculate dimensions and material needs

    Calculate decking material needs by inputting dimensions. Determine bearer and joist lengths. Adjust measurements in mm, cm, inches, or feet. Choose decimal precision for accurate results.

    ★ 3.823 ratingsUtilities$2.99Data updated 2026-09-19
  12. Calculator of Air app icon

    Calculator of Air

    yoshihito sakagami

    Calculate humidity properties instantly

    Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.

    ★ 4.614 ratingsProductivityFreeData updated 2026-09-11
  13. GK Stroke Monitor app icon

    GK Stroke Monitor

    General Kinematics Corporation

    Measure vibratory process equipment performance.

    The app measures vibratory process equipment performance using custom sensors. It calculates RPM, stroke, temperature, velocity, acceleration, and displacement.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-28

How we rank alternatives

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