Best apps like Operational Amplifiers Guide

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated July 2026

Looking for something like Operational Amplifiers Guide? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Operational Amplifiers Guide

LED Calc.#1

LED Calc. by Jibiki Works

Editor's Choice
🔧 Utilities
1.0(1 ratings)
FreeAds
LED Calc. screenshot 1

This application assists in designing electronic circuits by calculating the necessary resistor values for LEDs. It simplifies the process of determining the correct components for your LED projects.

Resistor-Converter#2

Resistor-Converter by Gerhard Lentschik

Color Resistor, SMD Resistor
Strong Contender
🔧 Utilities
4.9(16 ratings)
Free
Resistor-Converter screenshot 1
Resistor-Converter screenshot 2
Resistor-Converter screenshot 3
Resistor-Converter screenshot 4
Resistor-Converter screenshot 5
Resistor-Converter screenshot 6

Quickly calculate resistor values from color bands or SMD codes, and vice versa. This tool is ideal for electronics enthusiasts, students, and DIYers working with 4, 5, or 6-band resistors and various SMD codes. It functions offline and requires no registration.

Timer 555 Calculator#3

Timer 555 Calculator by Siu Yuen Ho

Worth Considering
🔧 Utilities
3.9(8 ratings)
FreeIn-App Purchases
Timer 555 Calculator screenshot 1
Timer 555 Calculator screenshot 2
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Calculate monostable and astable circuits for electronics projects. Determine pulse width and frequency, find component combinations, and save/upload data. Supports multiple languages.

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4
AVR Tutorial
AVR Tutorial
AVR Tutorial
by Siu Yuen Ho
Free

This app simplifies learning AVR microcontrollers with a code wizard that generates C source code for various peripherals. It offers demo projects and an architecture review, making complex MCU programming more accessible for hobbyists and students.

AVR architecture reviewAVR assembly and C language21 demo projects
🔧 Utilities
(2)
free with in-app purchases
5
Electronics Kit
Electronics Kit
Electronics Kit
by Siu Yuen Ho
Free

This app offers a comprehensive suite of electronics tools and calculators for hobbyists and professionals. It includes features for component value calculation, pinout diagrams, and various electronic resources. Users can access a free version with ads or a PRO version for enhanced functionality and an ad-free experience.

Component value calculatorsExtensive pinout diagramsElectronic resource library
🔧 Utilities
(63)
free with in-app purchases
6
Resistor Code Calculators
Resistor Code Calculators
Resistor Code Calculators
by Kanta Kikubo
Free
🔧 Utilities
(0)
7
RC Circuit
RC Circuit
RC Circuit
by Siu Yuen Ho
Free

Calculate RC charging and filter circuits, including time constants and cutoff frequencies. Find component values from these parameters or get voltage at specific times. Save and share data easily.

Calculate time constantFind component valuesGet voltage at time t
🔧 Utilities
(5)
free
8
Capacitor-Converter
Capacitor-Converter
Capacitor-Converter
Colored and SMD capacitors
Free

Easily determine capacitor values from color codes or calculate color codes from values. Supports both standard and SMD capacitors, providing quick and accurate conversions for electronics projects.

Capacitor color code to value conversionValue to capacitor color code conversionSMD capacitor code to value conversion
🔧 Utilities
(6)
free
9
555 Calc
555 Calc
555 Calc
by Jibiki Works
Free

This utility app helps engineers and hobbyists calculate resistor values for circuits using the Timer IC 555. Simply input frequency, duty ratio, and capacitor values to get the required resistor outputs.

Calculate resistor valuesInput frequencyInput duty ratio
🔧 Utilities
(3)
ad-supported
10
Circuit Resistance Creator
Circuit Resistance Creator
Circuit Resistance Creator
Simple, Fast and Powerful.
Free

Calculate equivalent resistance for any resistor circuit. This tool is designed for students, technicians, and engineers, offering high accuracy for voltage, current, and resistance. It's a great way to check homework and perform engineering calculations.

Equivalent resistance calculationSupports any resistor circuitHigh accuracy displays (6 decimal places)
🔧 Utilities
(3)
free