1. Home
  2. 🔧 Utilities
  3. Audio Signal Generator
Audio Signal Generator

Audio Signal Generator

Tone and Noise Test Utility

85 ratings
105 reviews
🔧 Utilities
🎵 Music

Archived App (Last seen on 20 May 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • August 1, 2012
  • December 3, 2019

Developer

Media Punk Studios
✨Promote your app ✨
Audio Signal Generator screenshot #1 for iPhone
Audio Signal Generator screenshot #2 for iPhone
Audio Signal Generator screenshot #3 for iPhone
Audio Signal Generator screenshot #4 for iPhone
Audio Signal Generator screenshot #5 for iPhone
Audio Signal Generator screenshot #6 for iPhone
🧾$2.99
In-App Purchase↘︎
⭐105
Reviews↘︎
📝6+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

Generate a variety of audio test tones, including sine waves, white noise, and pink noise. Customize your audio output with frequency sweeps and different wave types. Ideal for testing speakers, tuning audio systems, and masking noise.

✓Sine wave generation
✓White and pink noise generation
✓Frequency sweeps
✓Square, sawtooth, and triangle waves
✓Stereo and mono output
✓Adjustable frequency control
Show original description

What's New in Audio Signal Generator

1.8.0

December 3, 2019

Play/pause function is independent of gain settings. Frequency sweep time extended from 0.2 to 60 seconds. Noise source can be set to correlated (mono) or uncorrelated (stereo). Frequency range boundaries conform to ISO frequencies.

More
3

In-App Purchases

$2.99

Noise Generator

Adds white, pink, and brown noise capabilities.

User reviews

Most RecentHighest RatedLowest Rated

Many Uses

This is great for testing PA systems, individual speakers, crossovers, finding rattles/buzzes in speakers or studios or showing off your subwoofers to friends & neighbors.
GET IT!!
2 Worlds Music2 Worlds Music

Major Problem

Hey, team. I have tried a reinstall, to no avail. Menu screen is blank. Once was a great app. This year has been glitchy. Ty
CellularDoor80CellularDoor80

User interface is trash

Paid for ad free and sweep function.
Selecting menu goes to blank screen.
Ap stops functioning after this.
Also ads keep appearing.
Total waste of time and money…
karaboozookliskaraboozooklis

not working

Ios 18 on ipad it now does now give tone out
denigirldenigirl

Needs update

Was good for years until now on new iPhone models it glitches out and the sound sweep can sound sound alien like. Only the clean sweeps will work for me no my using either left or right sweeps.
SkibenSkiben
See 100 more reviews

Developer apps

Nebulous Theremin Synth
Nebulous Theremin Synth

by Media Punk Studios

🎵 Music

(21)

Free
In-App Purchases
See developer apps

FAQ

What does the Audio Signal Generator app do?

This app generates various audio test tones and noise signals. The basic version offers sine waves, while in-app purchases unlock features like white noise, pink noise, frequency sweeps, and different wave types such as square, sawtooth, and triangle waves.

What are the key features of the Pro Tone Generator?

The Pro Tone Generator, available via in-app purchase, extends the frequency range down to 1 Hz. It also adds stereo control, buttons for incremental frequency adjustments, and generates anti-aliased square, sawtooth, and triangle waves with minimal aliasing.

How is the app monetized?

The app is free to download and use for basic sine wave generation. Additional features like advanced wave types, noise generation, and frequency sweeps are available through optional in-app purchases.

What are some common use cases for this app?

Users can employ this app to test speakers and headphones, balance home theater systems, tune car audio systems, mask environmental noise, burn in new headphones, and tune musical instruments.

Is this app compatible with older iPhones?

The app can generate square waves, sawtooth waves, and triangle waves on iPhone 4 and better. The core sine wave generation and noise features are generally available across compatible devices.