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.
Greenheck Toolbox screenshots
Ranked alternatives
Showing 81–100 of 1,000 ranked alternatives.
HVAC Pipe Sizer - Gas High
Carmel Software Corporation
Size high pressure gas piping systems.
The app sizes high pressure gas piping systems. Users input gas flow, upstream pressure, and pipe properties to determine pipe diameters, velocity, and equivalent length.
ElectriCalc Pro
Calculated Industries, Inc.
Calculate and document electrical work safely
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
Mil-Dot Ballistics
Thomas Holsten
Fast range estimation and ballistics calculation.
The app combines range estimation with a ballistics calculator for fast targeting. It offers real-time calculations and supports one-handed operation without manual measurement input.
Home Improvement Calcs
Calculated Industries, Inc.
Calculate tasks with precision
Provides calculations for DIY and tasks. Users can convert units and solve equations using decimal or fractional inputs. Save calculations, organize favorites, and email inputs and results for sharing.
Pipe Calc Elite
Cyberprodigy LLC
Calculate dimensions and pressure loss
Calculate dimensions and pressure loss for 7 materials. Solve linear and rolling offsets, cutbacks, and other job site equations. Convert units and store standard data for quick access.
Electrical Calculator
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
SwiftSize
Design Comfort
Calculate HVAC load and generate PDF report
HVAC load calculator Measure home exposures on-site to size heating and air conditioning equipment. Generate detailed PDF reports. Reduce engineering time for accurate results. Sync with devices for real-time data.
Time.Calc
Baliza GmbH
Calculate time, track hours, manage logs
Calculate time durations between dates and times. Add or subtract time intervals. Track working hours with customizable settings. Support for 24-hour and 12-hour formats. Handle time data from flight logs and other time-based records.
Homans HVAC Pro+
Watsco, Inc.
Track orders and access product tools
Access product information and tools for professionals. View real-time order status. Use a duct calculator to determine size, material, and specifications. Sign in to manage account, prices, cart, and orders.
Toolbox Pro for Shortcuts
Snailed It Development Ltd
Scan, edit, and organize files
Pro offers document scanning, text recognition, file tagging, and calendar event management. It includes Apple Music tools for accessing music, speech transcription, contact management, and workout integration.
eCalculator - Enhanced Edition
Ratha Sou
Calculate, edit, and save equations
Perform basic and scientific calculations with equation display and history tracking. Switch between binary, octal, decimal, and hexadecimal modes. Calculate fractions directly. Use widget for quick computations.
East Coast Metal Distributors
Watsco, Inc.
Access product info and tools on
Access product information, view inventory, check parts lists and supersedes. Review documents, verify warranty details, and track order status. Retrieve technician-specific data and update job progress in real time.
FFCalc - Retirement Calculator
Roman Voglhuber
Calculate savings time based on income
Calculate the time needed to achieve financial freedom by inputting income, expenses, and savings. View charts and tables showing annual savings progress. Set or financial goal timelines based on provided data.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.