Best Timer 555 Calculator Apps

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.

Timer 555 Calculator Pro by Siu Yuen Ho

Strong Contender

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.

555 Timer Calculator by Nitrio

Astable & Monostable Designer

Worth Considering

0.0(0 ratings)

$3.99

More Timer 555 Calculator apps to explore

555 Calc

by Jibiki Works

Calculate resistor valuesInput frequencyInput duty ratio

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.

Kitchen cooking alarm

Apple Watch supportToday Widget supportSynchronized timer control

This application provides a clean, simple, and reliable timer for various timing needs, including cooking, sports, and work. It offers seamless integration with Apple Watch and Today Widgets, allowing for synchronized control and notifications.

Countdown clock timer

Customizable colorsAlarm sound selectionUser-friendly interface

This app provides a reliable and accurate countdown timer with customizable alerts and a user-friendly interface. Personalize your timer with different colors and alarm sounds to suit any situation, from cooking to workouts.

versatile,powerful,cusomizable

$3.99

This advanced timer allows for precise time management across various activities. Set multiple special events with customizable triggers like sounds, messages, or screen flashing. It's ideal for games, workouts, cooking, meditation, and any task requiring accurate timing, even when the app is in the background.

Multiple complex timers simultaneouslyScheduled event triggers (sounds, messages, photos)Customizable display modes (textual, graphical)

(218)

Large display countdown timerVisual time overrun indicator (red count-up)No audible alarm

Timer - Countdown memos

A large-display countdown timer for monitoring presentations or performances. It visually indicates time overruns by turning red and counting up, without audible alarms. Easily set for durations between 1 and 99 minutes.

(59)

All you need in calculation !!

Calculator: All In One

33+ diverse calculator functionsScientific, health, and date calculatorsUnit and numerical system converters

This comprehensive utility app consolidates numerous calculators for scientific, health, date, and unit conversions. It offers a wide array of tools, from basic arithmetic to complex calculations and timers, all within a single application. No internet connection is required for its built-in functions.

(1)

Timer Calculator Tool

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.

(18)

Visual Timer - Focus & Simple

Fast setup. See time left.

Visual countdown with colored circleQuick keypad time entryCustomizable colors and display

This utility app provides a visual countdown timer using a colored circle, making it easy to see remaining time at a glance. It's ideal for focused work sessions, managing children's activities, and everyday timekeeping tasks.

(3)

555 Timer & Oscillators Guide

Timer & Oscillator Toolkit

Kid-friendly, countdown timer!

Create multiple preset timersPomodoro timer with repeat featureCustomizable reminders with notes

This app offers a customizable countdown timer with a visual indicator, ideal for various tasks and productivity boosts. It features kid-friendly options, multiple sound and color choices, and integration with voice assistants.

📊 Productivity

(52)

free with in-app purchases

Usual Timer for Widget

Fast Multiple Countdown Timer

Set multiple timersStart timers from widgetSave usual timers

Easily set and manage multiple countdown timers with minimal interaction. Save frequently used timers for cooking, studying, or gaming, and launch them instantly from a widget. Receive sound and vibration alerts when a timer finishes.

free with in-app purchases

(20)

TimerZ -Last Timer You'll Need

multiple chained logged timer

Multiple simultaneous timersBackground operationCustomizable alarms and sounds

$1.99 | 100% OFF

This utility app allows users to set multiple countdown timers simultaneously, with options for custom alarms, background operation, and history logging. It offers advanced features like chained timers and Dropbox integration for saving and loading data.

free with in-app purchases

(10)

555 Timer & Oscillators Pro

Timer & Oscillators Toolkit

$4.99

📚 Education

(0)

Timer – Progress Viewer

Small and simple timer app

$0.99

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