# Frequency and sweep generator

> Experiment with waveforms of frequency tones on speakers,subwoofer and tweeters

Canonical page: [https://chrome-stats.com/d/com.freemiumapps.functiongenerator](https://chrome-stats.com/d/com.freemiumapps.functiongenerator)

## Overview

- **ID:** `com.freemiumapps.functiongenerator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Freemium apps
- **Category:** TOOLS
- **Downloads:** 118,246
- **Rating:** 4.65 / 5 (2,871 ratings)
- **Version:** 26.06.19
- **Last updated:** 2026-06-18
- **First published:** 2021-07-03
- **Publisher country:** IN
- **Size:** 8.39 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.freemiumapps.functiongenerator)
- **Website:** [https://freemiumapps.in](https://freemiumapps.in/)
- **Privacy policy:** [https://freemiumapps.in/frequency\_generator.html](https://freemiumapps.in/frequency_generator.html)

## Description

The Frequency and Sweep Generator Chrome extension allows users to experiment with various audio waveforms ranging from 1Hz to 22,000Hz. It supports sine, square, sawtooth, and triangular waves for versatile sound testing. Users can test their hearing, check speakers, headphones, and subwoofers, or even remove water from speakers.

This extension provides precise control with decimal frequency values, adjustable volume levels, and left-right balance customization. Frequency adjustments can be made through sliders or manual input, with options for logarithmic or linear scale steps and customizable step sizes. Its user-friendly interface enables quick start and stop of frequency generation, making it ideal for audio enthusiasts and professionals alike.

## Rankings

- #205,376 — 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.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.WAKE_LOCK`
- `com.freemiumapps.functiongenerator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users praise the app for its easy, private, and reliable operation, plus usefulness for testing speakers and DIY amps. They appreciate background playback and the free, lightweight nature. A recurring concern is device-dependent high-frequency distortion or aliasing, suggesting hardware limitations rather than software flaws. Some minor feature requests exist, but overall feedback is positive.

### Pros

- Easy to use and intuitive UI
- Privacy-friendly: no personal data collected and no cookies
- Reliable performance with background playback
- Free/lightweight with no unnecessary bloat
- Useful for testing speakers and DIY amps

### Cons

- High-frequency distortion/aliasing at frequencies above ~10 kHz, likely due to the device hardware rather than the app

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