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Audio Tool

Audio Tool
  • #: 202975
  • Price: $1.99 In Apple Store
  • Category: Utilities
  • Updated: 2015-10-21
  • Current Version: 2.0
  • 2.0
  • Size: 26.50 MB
  • Language: English
  • Seller: Performance Audio
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.1.3 or later
  • © Performance Audio LLC, 2010
  •  Add to Favorite apps



This amazing collection of professional audio tools is a must have for every audio professional, home theater enthusiast, recording engineer, concert goer, and anyone else who needs a fast and easy way to measure the sound levels around them, keep rhythm or tempo, turn their iOS device into a microphone, generate test tones, calculate recording times, or quickly find the definitions of commonly used audio terms.

"At only $1.99, it is possibly the best deal available in the world of pro audio gear… This iPhone essential for engineers, producers and musicians, will justify the price in a single use."

- Russ Long, Pro Audio Review

Audio Tool currently includes these 6 great tools for your everyday audio needs: Decibel Meter Pro, Microphone Pro, Bit Calc Pro and Audio Atlas!

Decibel Meter Pro:

Decibel Meter Pro is the hottest, most feature packed decibel meter on iTunes! With killer graphics optimized for the iPhone, the Retina display and the iPad! Decibel Meter Pro has been in the Top Utilities on iTunes since it's release! Download your copy today and find out why!

Tempo Pro:

Tempo Pro turns your iOS device into an amazing metronome! Tempo Pro is so fun to use, you will be creating custom beats, tempos and rhythms for hours! You can have anywhere from 1/4 to 12/8 time, and it's so easy and fun to adjust with our custom beats fader! Tempo Pro has vibrate, and camera flash options on supported devices! Start Tempo Pro and put it in your pocket or at the edge of your vision for a great silent metronome!

Microphone Pro:

Microphone Pro turns your iOS device into a microphone with a multi-function on/off button and volume control, making it great for use as a talk-back mic in live and recording applications, karaoke, public address, or anywhere you need an easy-to-use microphone.

Scope Pro:

Scope Pro is an Oscilloscope that lets you see the sounds around you! Scope Pro takes the audio signals from your built-in microphone and draws them to your screen!

Tone Generator Pro:

Tone Generator Pro automagically creates perfect Sine Waves, Square Waves, Triangle Waves, Sawtooth Waves, Reverse Sawtooth Waves, White Noise and Pink Noise!

Bit Calc Pro:

Got a recording session tonight? Got enough drive space?

Find out now! Our fun and quick interface places the information you need most, right at your fingertips. You can set your own defaults, input in any direction, flip your phone upside down, and wow your friends with Bit Calc Pro!

Audio Atlas

What did he just call you? Never look like a fool in the presence of an audio pro again! Our Audio Atlas can supply you with the definitions you need right now. Download Audio Tool and watch your brain grow!

Try Audio Tool, you'll love it!

What's New in Version 2.0

iOS 9 support
Redesigned interface
Fixes a crashing problem on iPhone 6s and 6s Plus devices.
Change weighting & rotation modes on main screen.
iPhone 5, 6 and 6 Plus screen size support
Various bug fixes

iPhone Screenshots

Audio Tool iPhone Screenshot 1
Audio Tool iPhone Screenshot 2
Audio Tool iPhone Screenshot 3
Audio Tool iPhone Screenshot 4
Audio Tool iPhone Screenshot 5

Video Reviews

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Customer reviews

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Rated 4/5 based on 3 customer reviews.


4/5 stars

Spectrum Analyzer

Great update! I gave been wanting a handy noise generator for when I tune rooms. Now all the app is missing is a spectrum analyzer...
Thanks for a very useful app!

5/5 stars

Great Audio Utility!

Very useful, fantastic graphics! Great communication by the developer. I even like the sound effects. I've used this as a producer position talkback mic (try shopping for THAT) and it's brilliant! I mix at a few different studios and find this very useful as a quick calibration tool. I also run the signal generator split out to different paths to measure latency and phase coherence for recording. I'm looking forward to everything this cat puts out for iOS. I would have preferred landscape view; no one really uses portrait, do they? Oh, they do? Fair enough.

5/5 stars

Sweet App!

The updates have been great on this app. Nothing out there touches what the pros can do at Performance Audio!


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The information may be outdated (2017-03-08 17:24:55). For actual information go to iTunes

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