# Electronic Circuits Calculator — Electronic Engineering Toolkit

> Electronics engineering toolkit with over 130 calculators, tools, and guides. (iPhone/iPad app by ALG Software Lab.)

- Source: https://appshunter.io/ios/app/electronic-circuits-calculator/id6444422711 (this page in markdown: same URL + `.md`)
- Developer: [ALG Software Lab](https://appshunter.io/developer/1650561236)
- Category: Education, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 21 MB
- Languages: American English, French (France), German (Germany), Indonesian, Italian, Japanese, Polish, European Portuguese, Russian, Chinese (Simplified, China) and 4 more
- Released: 2022-11-16
- Data updated: 2026-08-27
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/electronic-circuits-calculator/id6444422711/reviews.md

## What is Electronic Circuits Calculator?

Electronic Circuits Calculator is your ultimate electronics toolkit — featuring over 130 calculators, circuit tools, and guides for beginners and professionals alike.

Perfect for electronics enthusiasts, students, hobbyists, and engineers alike, Electronic Circuits Calculator Pro is a powerful reference tool covering essential electronics concepts, components, and circuit design. Whether you're just getting started or need a quick calculation on the go, this app has you covered.

Available in 14 Languages:
• English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language!

Key Features:
 • Interactive calculators for circuits
 • Step-by-step explanations and formulas
 • Ideal for learning, prototyping, or quick checks
 • Light and dark mode support

Covered Topics:

Basic calculators
 • Ohm's law
 • Power, voltage and current
 • Resistive voltage divider
 • Wheatstone Bridge
 • RC circuit time constant
 • Battery life
 • Additional resistor for voltmeter
 • Shunt resistor for ammeter.

Resistors
 • Resistor color codes
 • SMD resistor codes
 • EIA-96 encoding
 • Selection of standard resistor values
 • Series/Parallel connection of resistors
 • E-series

Capacitors
 • Ceramic disc capacitor codes
 • Film capacitor codes
 • Capacitor operating voltage codes
 • Color codes of film capacitors
 • SMD capacitor codes
 • Series connection of capacitors
 • Parallel connection of capacitors

Inductors
 • Inductor color codes
 • SMD inductor codes
 • Parallel/series connection of inductors

Diodes
 • Diodes
 • Rectifier diodes
 • Signal diodes
 • Schottky diodes
 • Tunnel diodes
 • Varicaps
 • Zener diodes

Transistors
 • Bipolar transistors
 • MOSFETs
 • JFET transistors
 • Unijunction transistors
 • Bipolar transistors with insulated gate.
 • Darlington transistor pair

Thyristors
 • Thyristors
 • Lockable thyristors
 • IGCT thyristors

Power supplies
 • AC parameters
 • Half-wave rectifier
 • Full-wave rectifier
 • Bridge rectifier
 • Quenching capacitor
 • Internal resistance of the power supply
 • Symmetrical voltage doubling rectifier circuit
 • Three-phase half-wave rectifier
 • Three-phase bridge rectifier
 • Voltage multiplier

Voltage and current regulators
 • Voltage regulator on LM317
 • Bipolar voltage regulator for LM317 and LM337
 • Current source on LM317
 • Zener diode reference voltage source
 • Temperature compensated reference voltage source
 • TL431 regulator
 • TL431 regulator with additional transistor

Light Emitting Diodes
 • Resistor for one LED
 • Resistor for serial/parallel connection of LEDs
 • 7 segment LED display
 • Decoder for 7- segment displays CD4511

Photocells
 • Photodiodes
 • Photoresistors
 • Phototransistors
 • Optocouplers

Operational amplifiers
 • Gain of non-inverting op-amp
 • Gain of inverting op-amp
 • Inverting op 
 • amp with T-bridge in feedback.
 • Inverting summing op-amp
 • Differential op-amp
 • Voltage integrator
 • Voltage differentiator
 • Voltage comparator

High frequency circuits
 • Capacitor reactance
 • Inductor reactance
 • Convert gain to decibels
 • Convert dBm to watts
 • T • Attenuator
 • Pi attenuator
 • L • Attenuator
 • Bridge T • attenuator
 • Capacitive AC voltage divider
 • Inductive voltage divider
 • Frequency and wavelengths

Filters
 • RC low-pass filter
 • RC high-pass filter
 • RC bandpass filter
 • RL low-pass filter
 • RL high-pass filter
 • LC low-pass filter
 • LC high-pass filter

Multivibrators
 • Self- oscillating Multivibrator
 • Monostable multivibrator
 • Bistable multivibrator
 • Multivibrator with diodes

555 Timer
 • Astable mode
 • Monostable mode
 • Bistable mode
 • Schmitt trigger
 • Connecting LEDs
 • Light detector
 • Relay control

Logics
 • AND. OR, NOT, NAND, NOR, XOR, XNOR
 • Combination Circuits

The application is being actively developed and supplemented with new calculators. Keep for updates!

## Key features

- Over 130 interactive calculators
- Circuit tools and guides
- Step-by-step explanations and formulas
- Ideal for learning and prototyping
- Light and dark mode support
- Available in 14 languages

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/electronic-circuits-calculator/id6444422711/reviews.md

### 2/5 — Bad English

*2024-03-10*

Some of the sentences repeat themselves and the grammar is written by someone who’s first language is not English. Not tried all the calculators so can’t say how good they are. I would not pay for upgrading the app.

### 2/5 — Blocking ads

*2024-01-08*

Ads is blocking bottom page that could not touch radio buttons. Even scrolling up won’t do any good.

## Frequently asked questions about Electronic Circuits Calculator

### What is Electronic Circuits Calculator?

Electronic Circuits Calculator is an electronics toolkit featuring over 130 calculators, circuit tools, and guides. It's designed to help users with learning, prototyping, and performing quick calculations in electronics engineering.

### Who is Electronic Circuits Calculator for?

This app is perfect for electronics enthusiasts, students, hobbyists, and professional engineers. It caters to all levels of experience, from beginners to those needing a quick reference.

### What kind of calculators are included in Electronic Circuits Calculator?

The app includes a wide range of calculators, such as Ohm's law, power/voltage/current calculations, resistor and capacitor codes, various diode and transistor types, power supply circuits, and voltage/current regulators.

### Does Electronic Circuits Calculator support multiple languages?

Yes, Electronic Circuits Calculator is available in 14 languages, including English, French, German, Spanish, and Simplified Chinese, allowing users to study in their native language.

### Does Electronic Circuits Calculator have ads?

Yes, Electronic Circuits Calculator contains advertisements. As it is a free application, ads are used to support its development and availability.

### What devices can I use Electronic Circuits Calculator on?

Electronic Circuits Calculator is supported on iPhone, iPad, and iPod devices. It is designed for iOS users.

### How often is Electronic Circuits Calculator updated?

The app was last updated on March 4, 2026, with version 3.5. This indicates a recent update, suggesting ongoing development and support.

### What is the age rating for Electronic Circuits Calculator?

Electronic Circuits Calculator has an age rating of 4+. This means it is suitable for users of all ages, with no mature content.

## Version history (last 5 releases)

### 3.7 — 2026-08-17

Updated content and libraries.

### 3.6 — 2026-05-27

Updated content and libraries.
Added new themes:
• Voltage Reference Sources
• Voltage Regulator ICs

### 3.5 — 2026-03-04

We’ve expanded our content with 3 new languages!
The app is now available in 14 languages:
• English,
• French,
• German,
• Indonesian,
• Italian,
• Japanese,
• Polish,
• Portuguese,
• Russian,
• Simplified Chinese,
• Spanish,
• Turkish,
• Ukrainian,
• Vietnamese
— making it more accessible than ever.

### 3.4 — 2026-02-15

Updated content and libraries

### 3.3 — 2025-12-29

Added new content and circuits.

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All apps by ALG Software Lab: https://appshunter.io/developer/1650561236

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*