Best apps like Transformer Calculator Plus

10+ similar apps compared and reviewed

4.3 avg rating
6 free apps
Updated August 2026

Transformer Calculator Plus is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Transformer Calculator Plus

Transformer Calculator.#1

Transformer Calculator. by V PUGAZHENTHI

primary / secondary
Editor's Choice
🔧 Utilities
4.8(47 ratings)
FreeAdsIn-App Purchases
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This app simplifies transformer calculations for engineers and students. It accurately computes primary and secondary currents, turns ratios, and secondary voltages based on user inputs for transformer ratings and winding turns.

Electric Toolkit - Calculator#2

Electric Toolkit - Calculator by Cyberprodigy LLC

Electrical Wiring Diagrams
Strong Contender
🔧 Utilities
4.8(282 ratings)
$5.99
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This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.

Transformer Calc 2#3

Transformer Calc 2 by Snappy Appz Inc.

Worth Considering
🔧 Utilities
1.0(1 ratings)
$3.99
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This app provides electricians with instant transformer sizing and advanced construction math, compliant with both US (NEC 2023) and Canadian (CEC 2024) electrical codes. It simplifies complex calculations for wire, conduit, and overcurrent protection, and includes a fractional construction calculator.

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4
Electrical Toolkit by HCP
Electrical Toolkit by HCP
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Conduit + load calcs for pros
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This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.

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5
Electrical Calculator Plus
Electrical Calculator Plus
Electrical Calculator Plus
by Inch Calculator
Free

This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.

26 electrical calculatorsOhm's Law calculatorCurrent and power calculators (DC/AC)
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6
MOV Toolkit
MOV Toolkit
MOV Toolkit
by Bernard Fulcher
$8.99

This utility app provides essential tools for working with Limitorque SB/SMB actuators. It includes field shopping lists, hardware specifications, switch connection configurations, and travel calculators for precise adjustments.

Field shopping list for actuatorsHardware fastener and conversion dataConfigurable switch connection card
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7
Gear Simulation & Calculation
Gear Simulation & Calculation
Gear Simulation & Calculation
Calculate Gears Fast and Easy
$3.99

This tool calculates gear ratios, torque, and speed for gear train systems. It allows users to simulate how these systems work on the fly, aiding in the design of custom gear systems before physical creation. Ideal for DIY enthusiasts and engineers.

Calculate gear ratioCalculate torque and speedSimulate gear train operation
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Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
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9
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
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10
Wire Gauge & Size Calculator
Wire Gauge & Size Calculator
Wire Gauge & Size Calculator
Min Wire Gauge for Vdrop %
Free

This utility app calculates the minimum wire size needed for electrical installations based on voltage, current, distance, and allowable voltage drop. It supports various units and wire materials, ensuring safe and efficient power distribution for diverse applications.

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