# 555 Timer & Oscillators Guide

> Practical Oscillator Circuits Using 555 Timers, Logic ICs, and Op-Amps.

Canonical page: [https://chrome-stats.com/d/com.algsoftlab.timer555](https://chrome-stats.com/d/com.algsoftlab.timer555)

## Overview

- **ID:** `com.algsoftlab.timer555`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** ALG Software Lab
- **Category:** BOOKS\_AND\_REFERENCE
- **Downloads:** 8,943
- **Version:** 4.0
- **Last updated:** 2026-09-13
- **First published:** 2024-06-13
- **Publisher country:** LV
- **Size:** 9.17 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.algsoftlab.timer555)
- **Website:** [https://algsoftlab.com/](https://algsoftlab.com/)
- **Privacy policy:** [https://algsoftlab.com/privacy-policy-for-mobile-apps/](https://algsoftlab.com/privacy-policy-for-mobile-apps/)

## Description

"IC 555 Timer" is an Android app that contains 60 tutorials and diagrams for circuit designers, engineers, and electronics enthusiasts. It offers a wide range of informational resources, including operating modes, LED connections, sound alarms, relay controls, and various sensor integrations, all tailored for projects using 555 timers. Available in eight languages, it's a valuable tool for both beginners and experienced individuals, kept updated with each new release.

## Rankings

- #588,931 — Overall

## Permissions and access

### Permissions

- `com.algsoftlab.timer555.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.algsoftlab.timer555)