Best 555 Calc alternatives: apps like 555 Calc

Whether you want more options like 555 Calc or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 555 Calc

Timer 555 Calculator by Siu Yuen Ho

Editor's Choice

3.9(8 ratings)

FreeIn-App Purchases

Calculate monostable and astable circuits for electronics projects. Determine pulse width and frequency, find component combinations, and save/upload data. Supports multiple languages.

Resistor Code Calculators by Kanta Kikubo

Strong Contender

0.0(0 ratings)

FreeAds

Operational Amplifiers Guide by ALG Software Lab

Op-Amp Calculator Toolkit

Worth Considering

0.0(0 ratings)

FreeAds

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More apps like 555 Calc

RC Circuit

by Siu Yuen Ho

Calculate time constantFind component valuesGet voltage at time t

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.

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Colored and SMD capacitors

Capacitor-Converter

Capacitor color code to value conversionValue to capacitor color code conversionSMD capacitor code to value conversion

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.

(10)

AVR Tutorial

by Siu Yuen Ho

AVR architecture reviewAVR assembly and C language21 demo projects

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.

free with in-app purchases

(2)

Electrical Series Calculator

by V PUGAZHENTHI

Resistance series calculationInductance series calculationCapacitance series calculation

This application simplifies electrical series calculations for resistance, inductance, and capacitance. It supports multiple units for flexible input and output, making complex computations quick and effortless for users.

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Circuit Resistance Creator

Simple, Fast and Powerful.

Equivalent resistance calculationSupports any resistor circuitHigh accuracy displays (6 decimal places)

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.

(3)

Resistor Tools

by Siu Yuen Ho

Series and parallel resistor calculationResistor combination finderVoltage divider ratio and value calculation

This utility app provides a suite of tools for calculating and determining resistor values. It assists hobbyists and engineers with series, parallel, and voltage divider calculations, as well as inverting amplifier gain.

free with in-app purchases

(10)

Voltage Divider Calculator

Solve Vin, Vout, R1, R2, Load

Calculate Vin, Vout, R1, R2Support for loaded dividers (RL)Power dissipation calculation (P(R1), P(R2))

Calculate unknown values in voltage divider circuits with ease. Supports loaded dividers, power dissipation calculations, and finding standard resistor values. Ideal for students, hobbyists, and engineers.

(3)