Best Timer 555 Calculator Pro Apps

4.7(3 ratings)

$0.99

Calculate parameters for monostable and astable circuits. Find component combinations for desired pulse width or frequency. Share circuit files via iCloud Drive or AirDrop.

Timer 555 Calculator by Siu Yuen Ho

Strong Contender

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.

555 Calc by Jibiki Works

Worth Considering

Basic, Scientific, Plus Calc

4.0(3 ratings)

FreeAds

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.

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Basic - Advanced - Scientific

Calculator´

Live results and natural feel UIUser-definable advanced functionsHistory log with easy access

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Timer – Progress Viewer

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This minimalistic timer app offers intuitive progress visualization and interval timing. Customize display options, enable repeat mode, and receive optional notification sounds for enhanced usability.

Intuitive progress visualizationInterval timer functionalityPause and resume timer

by Tim O's Studios, LLC

Large displayTwo-button operationSimple design

A straightforward timer app with a large display and two prominent buttons for easy operation. Enjoy a minimalist user experience designed for quick and simple timing needs.

Astable & Monostable Designer

let's reinvent the calculator

Tape Log for calculation historyReuse, copy, and share calculationsEvaluate entire formulas at once

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History record functionDisplay input equationAdjustable keyboard size and font

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