Timer IC 555 Calculator

4.0.20

Peter Ho

4.57

2,215 reviews

100,000+
Downloads

Free

Calculation of astable and monostable circuit

Timer IC 555 Calculator Screenshot 1 of 6

Timer IC 555 Calculator Screenshot 2 of 6

Timer IC 555 Calculator Screenshot 3 of 6

Timer IC 555 Calculator Screenshot 4 of 6

Timer IC 555 Calculator Screenshot 5 of 6

Timer IC 555 Calculator Screenshot 6 of 6

About Timer IC 555 Calculator

Timer IC 555 Calculator is a tools app developed by Peter Ho.

Download Statistics

Timer IC 555 Calculator has been downloaded 270 thousand times. In the last 30 days, the app was downloaded 270 times.

User Ratings

Timer IC 555 Calculator is rated 4.57 out of 5 stars. The rating is based on 2.2 thousand ratings.

App Information

Timer IC 555 Calculator is FREE to download. The APK download size is 8.45 MB. The latest version available is 4.0.20. The last update was on July 27, 2026.

Technical Requirements

Timer IC 555 Calculator requires Android 5.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play December 2013.

Description

IC 555 is a basic timer IC for hobbyist or electronic engineers. This app is used to calculate monostable and astable circuit

More data about Timer IC 555 Calculator

Price	Free to download
Total downloads	270 thousand
Recent downloads	270
Rating	4.57 based on 2.2 thousand ratings
Ranking	Not ranked
Version	4.0.20
APK size	8.45 MB
Number of libraries	19
Designed for Android	5.1+
Suitable for	Everyone
Ads	Contains ads

App Performance Report

Get a detailed PDF report for Timer IC 555 Calculator with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Alternative downloads for the Timer IC 555 Calculator app

Timer IC 555 Calculator compared with similar apps

Common keywords of similar apps

Calculate File Features Component Csv Email Circuit Astable Monostable Ic Timer Values

Keywords missing from this app

Calculator Circuits Electronics Calculators Resistor Pro Voltage Electronic Design Port Series Power Filter Pinouts Arduino Parallel Color Calculations Capacitor Code Converter Smd Components Resistors Electrical Current Time App Guide Table Reference Analysis Frequency Calculation Basic Led Inductor Divider Inverting Diode Codes Regulator Standard Resistance

Google Play Rating history and histogram

Rating history

Subscribe to see the full rating timeline

1.6K

410

120

Downloads over time

Subscribe to see download velocity and history

Timer IC 555 Calculator has been downloaded 270 thousand times. Over the past 30 days, it has been downloaded 270 times.

Changelog of Timer IC 555 Calculator

Show changelog

Developer information for Peter Ho

Peter Ho

peterhohsy@gmail.com

Legal name:

Address:

Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.

I'm the developer of this app

Comments on Timer IC 555 Calculator for Android

★★★★★ Roger Hale · Nov 13, 2019

I have not had any problems with this app. I only occasionally use it, but would not be happy about erasing it from my phone. I used the app today to make a turn signal flasher for a scooter. I like the app has circuited applications. If you're bored and just want something to do and have some 555 chips there is weeks and possibly months of fun u can get from this app. Thanks

★★★★★ Stephen Paul · Jun 1, 2022

This is one of those apps that you read on the loo, it's very inspiring.

★★★★★ Raid Hhi · Sep 26, 2019

This is an excellent handy little tool for adjusting 555 timer chips. If u build any circuits using them, you absolutely cannot go wrong by installing this.

★★★★☆ Al Wristen · Jun 27, 2021

Had enough circuitry using 555 to be instructive and useful.

★★☆☆☆ Rudo Strydom · Jan 7, 2021

There are a few mistakes. On astable t high = 0.69 (Ra+Rb) C, not 0.69 (Ra) C. T low is correct. T low = 0.69 (Rb) C Also on frequency f = 1.44 / (Ra+2Rb) C or 1 / 0.69 (Ra+2Rb) C, Not 1.44 / (Ra+Rb) C. In t high Rb is missing in the equation. In frequency, Rb is times 2.

★★☆☆☆ Kassim Abba Dandago · May 30, 2020

No detailed calculation. Constricted functions. Not fully calculable. You could have provided columns in which R1, R2 C, & % could be substituted to find a value or values. You deserve more star for your concern. I will be watching to add more stars, you have tried. Good luck.

Google Play Rankings for Timer IC 555 Calculator

This app is not ranked

Technologies used by Timer IC 555 Calculator

5 permissions · 19 libraries

Subscribe to see full permission and library details

AppBrain is a directory focused on discovering great apps and games. We give statistics, rankings and search options that Google Play and the App Store don't have. All trademarks are owned by their respective owners. AppBrain doesn't offer APKs or binaries, and always lets users install the official version from Google Play or the App Store.

More apps