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Function Generator icon

Function Generator

1.50
5 1 reviews
8.7 k downloads
security security

High-quality dual-channel waveform generation and modulation tool

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Uptodown Content Team icon
Reviewed by
Uptodown Content Team
Review written by Uptodown's in-house Editorial Team using the insights provided by keuwlsoft.

The Function Generator serves as an advanced audio tool, providing a reliable way for users to generate various waveforms through their device’s speaker or headphone output. It delivers 16-bit audio output with a sample rate of 44.1kHz across both left and right channels. Users should be aware, however, that output quality can vary based on device capabilities, with certain hardware potentially filtering out DC bias and low-frequency signals. At elevated frequencies, waveforms may become distorted due to the limited sample points available.

A significant advantage of using this software is its dual-channel output, which allows users to assign the left and right audio channels to either of the two channels available. This feature-packed tool offers a range of waveforms, including sine, square, and triangular shapes, along with special features for frequency modulation (FM) and amplitude modulation (AM).

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Function Generator boasts a generous frequency range from 1mHz up to 22kHz and permits users to fine-tune the amplitude from 0-100%. Square waveforms can be customized with duty adjustments, and triangular waveforms can be skewed to create saw waveforms. Additionally, users can offset the phase of waveforms according to their needs.

The application includes versatile modulation controls such as sweep frequency or amplitude with Single, Repeat, and Bounce modes, as well as a Burst mode for producing a set number of waveforms. Noise generation is catered for as well, with both white and pink noise options available.

For convenience, there are memory slots to save and recall custom channel configurations, ensuring that frequent settings can be easily reused. Adjustments are made effortlessly using either a spring slider or a number pad for precision input.

Ideal for enthusiasts and educational purposes, the Function Generator stands out as a practical waveform generation tool. Although not designed for critical professional use, it offers a comprehensive suite of features for sound experimentation and learning.

Requirements (Latest version)

  • Android 7.0 or higher required

Information about Function Generator 1.50

Basic information

Developer keuwlsoft
Category Audio
Rating +3
Languages English
45 more

Distribution model

Pricing Free
License Proprietary
Copyright © 2026 keuwlsoft
Why is this app published on Uptodown? (More information)

Security and privacy

Required permissions
See 1 permission
Certificate signature d38616c9e2b839f79920be2719e7f52a
See security and antivirus report

Download info

Downloads 8,717
Date Oct 16, 2025
File type APK
Size 2.83 MB
SHA256 3866ab1014c7d71c72451cb33d9ea4609f077ca4bf45ca9c8127f0fbfddd46db

Technical details

Package Name com.keuwl.functiongenerator
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Older versions

See more
apk 1.42 Android + 7.0 Feb 11, 2024
apk 1.41 Android + 4.1, 4.1.1 Mar 4, 2023
apk 1.4 Android + 4.1, 4.1.1 Apr 18, 2023
apk 1.3 Android + 4.1, 4.1.1 Nov 12, 2024
apk 1.2 Android + 2.2.x May 24, 2023
apk 1.1 Android + 8 Dec 30, 2016

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