Apps Like Electronic Toolbox Pro for iPhone and iPad
Edit schematics, calculate values, and test circuits
Manage components with a database of resistors, capacitors, and diodes. Calculate circuit values using Ohm’s Law and power formulas. Access schematics, datasheets, and component symbols. Convert units and view component ratings.
by Marcus Roskosch★ 4.7245 ratingsProductivity$12.99Data updated 2026-11-01
Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.
Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.
Analyze local or public networks for issues and misconfigurations. Scan WiFi networks, perform IP and port scans, and integrate SHODAN scan engine. Test exploits. View device and public IP addresses. Check interfaces including WiFi and 3G/4G.
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
Manage projects, track clients, and create branded
Manage projects, track expenses, and communicate with clients from anywhere. Create branded documents, collect payments, and generate estimates with AI assistance. Sync calendars, send messages, and access job details in real time.
Calculate current in parallel circuits, voltage in series circuits, and resistance in both series and parallel configurations. Use Ohm's Law, DC calculations, and LR filter tools.
Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.
Is a that allows editing of mathematical expressions with instant results. It syncs calculation history across devices. Purchasing + adds unit conversion, history tools, fractions, and more.
Calculate costs and percentages for building projects. Estimate quantities needed for walls, floors, and roofs. Convert measurements between units. Track project budgets and adjust estimates in real time. Export calculations to PDF or email.
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
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.
Build and test electronic circuits in a 3D environment. Construct prototypes without physical components. Explore transistor functions and audio filtering. Access a component catalog for circuit design and experimentation.
Build and simulate 3D electrical circuits with real-time voltage and current calculations. Drag and drop components to create custom circuits. Analyze results instantly with detailed visual feedback. Export schematics and share designs.
Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.
Learn boolean algebra and digital circuit concepts through interactive logic gate puzzles. Build and test circuits using AND, OR, XOR gates, and other components. Unlock advanced elements and create custom circuits in Playground Mode.
Allows users to calculate electrical values with tools like Power, Delta-Wye, AWG, Voltage Drop, Ampacity, THD, Resistor Code, and LED Info. Users input component values to get results. The supports dark and light themes.
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.