---
title: "Timer 555 Calculator - Отзывы, Доход и Загрузки приложения in Соединенные Штаты | Apple App Store"
description: "This app is used to calculate monostable and astable circuit.  Features * Calculate pulse width of monostable circuit * Calculate frequency of astable circuit * Find out combination of components maki"
---

# Timer 555 Calculator — Соединенные Штаты

![Timer 555 Calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/98/5d/a9/985da9af-a18e-4600-1484-0e7876c99245/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Siu Yuen Ho](https://apptail.io/ru/developer/siu-yuen-ho-Wqc)
**Category:** Utilities
**Rating:** 3.9/5 (8 ratings)
**Price:** Free
**Bundle ID:** com.peterhohsy.Timer-555-Calculator
**Store:** Apple App Store
**Country:** Соединенные Штаты
**Version:** 3.0.20 (released 2025-05-14)
**Original Release:** 2014-03-06
**Languages:** English, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Chinese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id834044557)
**AppTail Page:** [https://apptail.io/ru/app/timer-555-calculator-knvd/united-states](https://apptail.io/ru/app/timer-555-calculator-knvd/united-states)

## Timer 555 Calculator Description
This app is used to calculate monostable and astable circuit.

Features
* Calculate pulse width of monostable circuit
* Calculate frequency of astable circuit
* Find out combination of components making a desire pulse width in monostable circuit
* Find out combination of components making a desire frequency in astable circuit
* Saving component values in CSV file
* Upload generated CSV files via AirDrop or iCloud Drive
* Support English, German, French, Italian, Spanish, Portuguese, Japanese, Korean, Russian

## Timer 555 Calculator Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/92/c2/11/92c2118f-4116-9003-c060-02f0dd6e4066/53d7d8e6-7e00-4fa1-94ab-0078b4c91a83_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-05-16_at_15.16.38.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/ff/6d/ee/ff6dee11-fac2-aa11-4154-8c6319d65630/576319e7-6bba-4f80-a787-a229b5332250_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-05-16_at_15.16.55.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/62/9f/ea/629fea9c-91dd-d9b4-274a-5a0f111d54d5/d946a511-723b-4a90-a86d-b747c52725ec_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-05-16_at_15.16.45.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/66/b1/3c/66b13c2f-1bae-6153-7ef5-cd84bef33f40/e9a74ba2-90b1-47a6-bb69-99a7b338dd8a_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-05-16_at_15.17.10.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource115/v4/88/b9/89/88b989d0-d3c9-013d-4f62-db6c64a93aa4/990a28be-160d-4267-a3ab-af2524b60f5a_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-05-16_at_15.17.02.png/1284x2778.png)

## Timer 555 Calculator Rating Breakdown in Соединенные Штаты
- 5 stars: 5 (63%)
- 4 stars: 1 (13%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 2 (25%)

## Timer 555 Calculator Reviews in Соединенные Штаты

### ***** "Good app"
It was a very good app and easy to use and I have used it multiple times with no issues whatsoever.
-- pooface9300, 2018-07-26

### ***** "Good, simple"
Nice little 555 timer App. Great for most common 555 applications. It would be nice if other circuits found in books like the 555 Timer Cookbook would be included too.
-- phonebone222, 2015-01-08

### ***** "Excellent Tool"
This application is easy to use and very useful
-- photomem, 2014-10-14

[View all Timer 555 Calculator reviews and detailed analytics on AppTail](https://apptail.io/ru/account/signup?utm_campaign=ai-crawl&utm_content=reviews)

## Timer 555 Calculator In-App Purchases
| Item | Price |
|------|-------|
| Unlock Pro feature | $0.99 |


## Timer 555 Calculator Discovered Keywords
- 555 calc

## Apps Similar to Timer 555 Calculator
- [Resistor Code Calculators](https://apptail.io/ru/app/resistor-code-calculators-uApc/united-states)
- [Simple Circuit Builder](https://apptail.io/ru/app/simple-circuit-builder-oWZc/united-states)
- [Electronic Circuits Calculator](https://apptail.io/ru/app/electronic-circuits-calculator-Zcud/united-states)
- [555 Calc](https://apptail.io/ru/app/555-calc-lNPd/united-states)
- [LED Calc.](https://apptail.io/ru/app/led-calc-nNPd/united-states)
- [Circuit Resistance Creator](https://apptail.io/ru/app/circuit-resistance-creator-qQfe/united-states)
- [Electrical Series Calculator](https://apptail.io/ru/app/electrical-series-calculator-vrre/united-states)
- [Electronic Component Codes](https://apptail.io/ru/app/electronic-component-codes-fRtk/united-states)
- [Capacitor-Converter](https://apptail.io/ru/app/capacitor-converter-gsPl/united-states)
- [Operational Amplifiers Guide](https://apptail.io/ru/app/operational-amplifiers-guide-YuPn/united-states)

## Timer 555 Calculator Available In
- [Соединенные Штаты](https://apptail.io/ru/app/timer-555-calculator-knvd/united-states)
- [Россия](https://apptail.io/ru/app/timer-555-calculator-knvd/russia)
- [Австралия](https://apptail.io/ru/app/timer-555-calculator-knvd/australia)
- [Германия](https://apptail.io/ru/app/timer-555-calculator-knvd/germany)
- [Бразилия](https://apptail.io/ru/app/timer-555-calculator-knvd/brazil)
- [Колумбия](https://apptail.io/ru/app/timer-555-calculator-knvd/colombia)
- [Испания](https://apptail.io/ru/app/timer-555-calculator-knvd/spain)
- [Великобритания](https://apptail.io/ru/app/timer-555-calculator-knvd/united-kingdom)
- [Индия](https://apptail.io/ru/app/timer-555-calculator-knvd/india)
- [Таиланд](https://apptail.io/ru/app/timer-555-calculator-knvd/thailand)
- [Турция](https://apptail.io/ru/app/timer-555-calculator-knvd/turkey)
- [Вьетнам](https://apptail.io/ru/app/timer-555-calculator-knvd/vietnam)
- [Алжир](https://apptail.io/ru/app/timer-555-calculator-knvd/algeria)
- [Италия](https://apptail.io/ru/app/timer-555-calculator-knvd/italy)
- [Япония](https://apptail.io/ru/app/timer-555-calculator-knvd/japan)
- [Тайвань](https://apptail.io/ru/app/timer-555-calculator-knvd/taiwan)
- [Южно-Африканская Республика](https://apptail.io/ru/app/timer-555-calculator-knvd/south-africa)
- [Эквадор](https://apptail.io/ru/app/timer-555-calculator-knvd/ecuador)
- [Мексика](https://apptail.io/ru/app/timer-555-calculator-knvd/mexico)
- [Украина](https://apptail.io/ru/app/timer-555-calculator-knvd/ukraine)
- [Португалия](https://apptail.io/ru/app/timer-555-calculator-knvd/portugal)
- [Румыния](https://apptail.io/ru/app/timer-555-calculator-knvd/romania)
- [Аргентина](https://apptail.io/ru/app/timer-555-calculator-knvd/argentina)
- [Индонезия](https://apptail.io/ru/app/timer-555-calculator-knvd/indonesia)
- [Ирландия](https://apptail.io/ru/app/timer-555-calculator-knvd/ireland)
- [Израиль](https://apptail.io/ru/app/timer-555-calculator-knvd/israel)
- [Исландия](https://apptail.io/ru/app/timer-555-calculator-knvd/iceland)
- [Республика Корея](https://apptail.io/ru/app/timer-555-calculator-knvd/south-korea)
- [Кувейт](https://apptail.io/ru/app/timer-555-calculator-knvd/kuwait)
- [Казахстан](https://apptail.io/ru/app/timer-555-calculator-knvd/kazakhstan)
- [Малайзия](https://apptail.io/ru/app/timer-555-calculator-knvd/malaysia)
- [Нигерия](https://apptail.io/ru/app/timer-555-calculator-knvd/nigeria)
- [Нидерланды](https://apptail.io/ru/app/timer-555-calculator-knvd/netherlands)
- [Норвегия](https://apptail.io/ru/app/timer-555-calculator-knvd/norway)
- [Новая Зеландия](https://apptail.io/ru/app/timer-555-calculator-knvd/new-zealand)
- [Перу](https://apptail.io/ru/app/timer-555-calculator-knvd/peru)
- [Филиппины](https://apptail.io/ru/app/timer-555-calculator-knvd/philippines)
- [Пакистан](https://apptail.io/ru/app/timer-555-calculator-knvd/pakistan)
- [Польша](https://apptail.io/ru/app/timer-555-calculator-knvd/poland)
- [Австрия](https://apptail.io/ru/app/timer-555-calculator-knvd/austria)
- [Саудовская Аравия](https://apptail.io/ru/app/timer-555-calculator-knvd/saudi-arabia)
- [Швеция](https://apptail.io/ru/app/timer-555-calculator-knvd/sweden)
- [Азербайджан](https://apptail.io/ru/app/timer-555-calculator-knvd/azerbaijan)
- [Бельгия](https://apptail.io/ru/app/timer-555-calculator-knvd/belgium)
- [Болгария](https://apptail.io/ru/app/timer-555-calculator-knvd/bulgaria)
- [Сингапур](https://apptail.io/ru/app/timer-555-calculator-knvd/singapore)
- [Беларусь](https://apptail.io/ru/app/timer-555-calculator-knvd/belarus)
- [Канада](https://apptail.io/ru/app/timer-555-calculator-knvd/canada)
- [Швейцария](https://apptail.io/ru/app/timer-555-calculator-knvd/switzerland)
- [Чили](https://apptail.io/ru/app/timer-555-calculator-knvd/chile)
- [Чехия](https://apptail.io/ru/app/timer-555-calculator-knvd/czechia)
- [ОАЭ](https://apptail.io/ru/app/timer-555-calculator-knvd/united-arab-emirates)
- [Дания](https://apptail.io/ru/app/timer-555-calculator-knvd/denmark)
- [Доминиканская Республика](https://apptail.io/ru/app/timer-555-calculator-knvd/dominican-republic)
- [Египет](https://apptail.io/ru/app/timer-555-calculator-knvd/egypt)
- [Финляндия](https://apptail.io/ru/app/timer-555-calculator-knvd/finland)
- [Франция](https://apptail.io/ru/app/timer-555-calculator-knvd/france)
- [Греция](https://apptail.io/ru/app/timer-555-calculator-knvd/greece)
- [Гонконг (САР)](https://apptail.io/ru/app/timer-555-calculator-knvd/hong-kong)
- [Венгрия](https://apptail.io/ru/app/timer-555-calculator-knvd/hungary)

---

## About AppTail

[AppTail](https://apptail.io/ru) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io/ru)
- [Top Charts](https://apptail.io/ru/top-iphone-apps)
- [Sign Up for Full Access](https://apptail.io/ru/account/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io/ru) - Mobile App Intelligence Platform*