Comparison

Electrical Calculations vs Electronics Toolbox

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Electrical Calculations

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

Highlights
  • Wire size and voltage drop calculations
  • Power, current, and resistance calculations
  • Motor performance and connection diagrams
  • Electronic component calculations
  • Extensive unit conversions
  • PDF report generation
  • Support for IEC, CEI, NEC, CEC standards
Features
Read full description

Electrical Calculations is the PROFESSIONAL app for those who work with electrical systems every day: design, size and verify in just seconds, from the job site or the office. Over 200 calculations, diagrams, formulas and tables in a single app, with clear, printable PDF reports to attach to your documents. Designed for electricians, installers, designers and surveyors, it saves you time and helps you avoid mistakes: from cable sizing to short circuit. COMPLIANT WITH STANDARDS Reliable results aligned with the main standards: IEC (International Electrotechnical Commission), CEI (Italian Electrotechnical Committee), NEC (National Electrical Code), CEC (Canadian Electrical Code). WHY CHOOSE IT SAVE TIME: the calculations you'd do by hand, instantly available here. AVOID ERRORS: verified formulas and up-to-date regulatory parameters. PROFESSIONAL REPORTS: PDF reports ready for printing and archiving. ALWAYS WITH YOU: over 200 tools including calculations, converters, tables and pinouts. THE MOST USED CALCULATIONS Cable sizing and coordination with the protective device, voltage drop, operating current, current intensity, voltage and power (active, reactive, apparent). Power factor and power factor correction. Current capacity of conductors and busbars, sizing of conduits and trunking, maximum cable length. SHORT CIRCUIT AND PROTECTION Short-circuit current at a point on the line, earthing system and coordination with the residual current device, cable protection against short circuit (K²S²), power loss, cable temperature, neutral current. ELECTRIC MOTOR Motor current, power, voltage, efficiency and power factor, slip, speed, maximum torque and full-load current. Three-phase motor connection diagrams, terminal markings. Three-phase to single-phase. ELECTRONICS Color and alphanumeric codes for resistors, capacitors and inductors, SMD code, LED resistor, voltage and current divider, Zener diode, battery life, resonant frequency, fuses and transformers. CONVERSIONS Delta-star, AWG, SWG, cross-section, length, energy, temperature, pressure, Ah/kWh, var/µF, Gauss/Tesla, RPM and many more. RESOURCES AND TABLES Tripping curves, cable reactance and resistivity, cable dimensions and weight, distribution systems (TT, TN, IT), IP/IK/NEMA protection ratings, ATEX marking, insulation classes, electrical symbols, ANSI device codes, plugs and sockets, IEC 60309, NEMA and EV charging connectors, SI prefixes and units of measurement, thermistors and thermocouples. PINOUTS Ethernet RJ-45, Ethernet with PoE, USB, HDMI, VGA, DVI, RS-232, FireWire, SATA, DisplayPort, Apple Lightning, Raspberry Pi, OBD II, XLR audio/DMX, MIDI, Jack, RCA, Thunderbolt, SD Card, SIM Card and LED. Stop searching everywhere for formulas and tables: PUT YOUR ENTIRE ELECTRICAL LAB IN YOUR SMARTPHONE. Download Electrical Calculations and work faster, with standards-compliant results. Terms of service (EULA): https://www.egalnetsoftwares.com/terms_of_service_app/

About

Electronics Toolbox

Features
Read full description

Electronics Toolbox is your go-to app for quick, reliable electronics calculations.
What sets it apart? Most of the included calculators can instantly generate LTspice test circuits and components—so you can validate results right away and drop subcircuits directly into your own designs. Main features: * Ohm’s Law, dB, V Peak / V RMS * Resistors (parallel, color code, best combination) * Voltage Dividers (with LTspice test circuits) * LED Resistor, Capacitors in Series, Capacitance Converter * RC & RL Time Constants (with LTspice test circuits) * Op-Amp circuits (inverting, non-inverting, difference, Howland) (with LTspice test circuits) * Instrumentation Op-Amp circuit (with LTspice test circuit) * Filters: RC / RL / RLC Low-Pass, High-Pass, Band-Pass, Band-Stop (with LTspice test circuits) * NE555, LM317, Wheatstone Bridge (with LTspice test circuits) * Common Emitter BJT amplifier (with LTspice test circuit) * Junction temperature and heatsink calculations * AWG Conversion Whether you’re a student, hobbyist, or professional, Electronics Toolbox makes design work faster, easier, and more accurate. Not endorsed or sponsored by Analog Devices.

Screenshots

Electrical Calculations4 screens
Electronics Toolbox4 screens

Verdict

The call

The clearest difference is price: Electrical Calculations at Free against Electronics Toolbox's $3.99. Electrical Calculations also leads on iOS requirement (15.0 vs 26.0). Electronics Toolbox's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Electrical Calculations is free to download; Electronics Toolbox costs $3.99 up front. Electrical Calculations sells 3 in-app purchases, starting at $3.99 per 3 months. Electronics Toolbox asks for nothing beyond the download.

UpkeepUpdate frequency

Electrical Calculations ships an update every 3 weeks, Electronics Toolbox every 2 weeks. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Electrical Calculations versus Electronics Toolbox: the parameters behind the verdict, then further details
ParameterElectrical CalculationsElectronics Toolbox
PriceFree — better$3.99
Rating4.6 (126 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings126 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better26.0
Further details — not scored
Size56 MB19 MB
Age rating4+4+
DeveloperEgal Net di Ettore GallinaFabrizio Boco

In-app purchases

3 purchases

Electrical Calculations

Subscriptions2
  • PRO Version (3 months)$3.993 Months
  • PRO Version (1 year)7 Days trial$7.491 Year
One-time1
  • PRO Version (Lifetime)$89.99
None

Electronics Toolbox

No in-app purchases

Questions

Is Electrical Calculations free?
Electrical Calculations is free to download, with in-app purchases available.
Is Electronics Toolbox free?
Electronics Toolbox costs $3.99, with no in-app purchases.
Do Electrical Calculations or Electronics Toolbox have ads?
Electrical Calculations shows ads; Electronics Toolbox does not.
Which is updated more often, Electrical Calculations or Electronics Toolbox?
Electrical Calculations ships an update every 3 weeks, and Electronics Toolbox every 2 weeks. Most recently, Electrical Calculations was updated on September 28, 2026 and Electronics Toolbox on September 19, 2026.

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