# Sound Signal Generator 2

> Signal generator creates Sine, Triangle, Sawtooth and Square audio frequencies.

Canonical page: [https://chrome-stats.com/d/android\_design.signal\_generator\_2](https://chrome-stats.com/d/android_design.signal_generator_2)

## Overview

- **ID:** `android_design.signal_generator_2`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** android-design.nl
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 24,502
- **Rating:** 4.86 / 5 (127 ratings)
- **Version:** 2.030
- **Last updated:** 2025-07-18
- **First published:** 2014-03-19
- **Publisher country:** NL
- **Size:** 6.35 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=android_design.signal_generator_2)
- **Website:** [http://www.android-design.nl](http://www.android-design.nl/)
- **Privacy policy:** [http://www.android-design.nl/joomla/index.php/privacy-policy-signal-generator-2](http://www.android-design.nl/joomla/index.php/privacy-policy-signal-generator-2)

## Description

Sound Signal Generator 2 is a versatile Chrome extension designed to create a variety of audio frequencies including sine, triangle, sawtooth, and square waves ranging from 1Hz to 20kHz. It allows users to generate up to 100 signals simultaneously, enabling complex sound experiments and testing.

Additional features include the ability to create random sound signal sets, as well as saving and loading your sound signals for easy reuse. This tool is ideal for audio engineers, musicians, educators, and anyone needing reliable signal generation directly from their browser.

## Rankings

- #399,910 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android_design.signal_generator_2.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.BILLING`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users find Sound Signal Generator 2 simple and effective, praising features like the scroll wheel frequency selector and usefulness for specialized frequencies. However, multiple users report bugs related to frequency sequencing and scrolling, and some mention UI issues such as buttons being off-screen. Requests for background play and options to remove ads are common. Users generally like the app but see room for improvements especially in stability and user interface.

### Pros

- Simple and effective tone generator
- Scroll wheel frequency selection is appreciated and considered better than linear sliders
- Useful for specific frequency applications like tinnitus and sleep using particular Hz frequencies
- Overall liked by users who found it better than alternatives
- Ability to specify fractional frequencies is desired by users

### Cons

- App has bugs, especially when scrolling counters and frequency sequencing
- Lack of option to remove ads
- No background play option
- Button to activate sound is off-screen on some devices

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Source: [Chrome-Stats](https://chrome-stats.com/d/android_design.signal_generator_2)