Apps Like OhmPro for iPhone and iPad
Calculate voltage, current, and resistance
Calculate electrical values using Ohm’s Law and related formulas. Input voltage, current, or resistance to determine missing variables. Access circuit diagrams and safety guidelines. Convert units between volts, amps, and ohms.
Ranked alternatives
Showing 61–80 of 1,000 ranked alternatives.


Calculator with History Tape
帆 杨
Calculate, record, and customize equations
A a log of all calculations. Displays input equations and results clearly. Includes backspace function. Allows adjustable keyboard size and number font size. Supports customization of decimal places, font size for , and display format.


Pipe Trades Pro Calc
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.

SLD | Electrical diagrams
Angel Martinez
Create with drag-and-drop symbols
Create one-line using standardized symbols. Select and drag symbols to arrange . Includes IEC and ANSI symbols for engineering. Add circuit breakers, switches, fuses, and other components. Save and export .

ElectroMaster - Electrical Eng
Carlo Terracciano
Calculate values
Provides tools for calculations and theory. Users can explore Ohm's Law and resistor calculations. Access theoretical concepts in Basic Knowledge and practical exercises in and Advanced sections.


QuickBend: Conduit Bending
Bret Hardman
Calculate bends with precision
Calculate bends with precise measurements based on shoe radius, bender dimensions, type, and diameter. Use the centerline radius algorithm for accurate results. Display and adjust bend angles for field testing and real-world application.


Electrical Calc
Snappy Appz Inc.
Calculate formulas and code results
Calculate values using formulas and code-compliant results. Determine wire, conduit, fuse, and ground sizes based on Canadian Electric Code. Track load calculations, voltage drops, and system efficiency.


ElectroMaster Pro
Carlo Terracciano
Calculate electrical values
Helps users calculate electrical values using Ohm's Law. It includes practical exercises and theoretical explanations. Users can explore basic electrical concepts and advanced topics with structured lessons and problem-solving tools.



The Best Calculator - Calc Pro
Panoramic Software Inc.
Calculate and manage financial data
Perform complex calculations using 10 built-in calculators including scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting, loans, and investments. Save and share calculation results.


CNC Machinist Calculator Pro
Shane Anderson
Calculate tool offsets and feed rates
Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.