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 341–360 of 1,000 ranked alternatives.

  1. Calculator Notes - Spreadsheet app icon

    Calculator Notes - Spreadsheet

    FugaPiyo Inc.

    Calculate totals, organize , share files

    A productivity for organizing and items with unlimited folders. Automatically calculates totals and supports CSV export. Set goals with deadlines and track progress. Perform batch operations, filter, and sort data.

    ★ 5.03 ratingsProductivityFreeData updated 2026-09-06
  2. kVA Calculator app icon

    kVA Calculator

    Pro Certs Software Ltd

    Calculate kVA, kW, and Amps

    Calculate kVA, kW, Amps, Volts, and Power Factor using single or three-phase formulas. Input two values to determine the third. Convert between kVA, kW, and Amps. Supports UPS, generator, and transformer calculations.

    ★ 4.411 ratingsUtilitiesFreeData updated 2026-09-08
  1. Lomanco Vent Tools app icon

    Lomanco Vent Tools

    Lomanco, Inc.

    Calculate vents, share results, find options

    Calculate attic ventilation needs by inputting roof dimensions and pitch. Select intake and exhaust types. Access soffit panel specifications and whirlybird base pitch guidelines.

    ★ 4.511 ratingsReferenceFreeData updated 2026-09-10
  2. Universal Converter. app icon

    Universal Converter.

    V PUGAZHENTHI

    Convert units across 64 categories

    Convert units across 64 categories with 1333 units and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Find color codes and convert cooking measurements.

    ★ 4.312 ratingsUtilities$4.99Data updated 2026-09-08
  3. Rebar Grid Calculator app icon

    Rebar Grid Calculator

    H3Apps LLC

    Calculate layout and quantity

    Calculate requirements for concrete slabs by entering dimensions, spacing, and edge distances. Determine layout and quantities needed. Switch between imperial and metric units. Export results via text or email.

    ★ 4.713 ratingsBusiness$1.99Data updated 2026-10-17
  4. Pipe Flow Gas Pipe Length app icon

    Pipe Flow Gas Pipe Length

    Daxesoft Ltd

    Calculate for pressure loss

    Calculate maximum based on rate, pressure loss, and diameter. Input elevation changes and select valves & fittings. Display comprehensive results including pressure drop and calculations.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  5. Korubin Tools app icon

    Korubin Tools

    ENVEST ENERJI VE SU TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-09
  6. Simple Calculator・Easy & Cool app icon

    Simple Calculator・Easy & Cool

    Futoshi Niiho

    Calculate with precision

    Calculator allows users to perform basic arithmetic operations. It features a clean interface with minimal buttons. Users can add, subtract, multiply, and divide numbers.

    ★ 4.315 ratingsProductivityFreeData updated 2026-09-06
  7. nRF Toolbox app icon

    nRF Toolbox

    Nordic Semiconductor ASA

    Bluetooth Low Energy accessory demonstration application.

    The app demonstrates Bluetooth Low Energy profiles including Heart Rate Monitor, Blood Pressure Monitor, and Health Thermometer. It connects with a variety of BLE accessories and shows data from devices like Glucose Monitors.

    ★ 2.68 ratingsUtilitiesFreeData updated 2026-10-28
  8. Kinematics Calculator SUVAT app icon

    Kinematics Calculator SUVAT

    Paul Friedel

    Calculate motion with minimal input

    Calculate kinematic movements with step-by-step structuring. Input parameters for constant velocity or accelerated motion. Solve linear or rotational movements with minimal data. Support multiple units and variations.

    ★ 0.00 ratingsEducation$0.99Data updated 2026-09-06

How we rank alternatives

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