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toolBox for acoustics

By acoustassist

This app is only available on the App Store for iOS devices.


toolBox for acoustics is a suite of information, equations and calculators for all things acoustics-related, useful for consultants, engineers, researchers and students alike with an interest in sound, noise and vibration.

toolBox is, and always will be FREE with no ads!

Useful features include:
- Selection of audio test signals, with the option to download signals for offline use
- Unique decibel calculator
- Room modes calculator
- Octave/third-octave frequency bands calculator with A/B/C/D weightings
- Noise rating (NR) level calculator
- Reverberation time calculators (simple and advanced modes)

In addition, a number of acoustic equations are included, each with the unique provision to calculate any one of the equation terms. Physical units are always selectable where appropriate, for example speed may be calculated or input as m/s, km/h or mph. Equations cover:
- Speed of sound
- Decibel definitions of sound power, intensity and pressure level
- Audio delay
- Sound propagation
- Distance attenuation
- Barrier attenuation

Also provided is background information to some key acoustic concepts and a directory of acoustic related organisations.

Please note: some current facilities follow the convention for the UK acoustics industry, which might differ in other countries. For example, in the UK the decibel reference value for sound pressure in air is 0.00002 Pa.

toolBox for acoustics will be updated over time with more great features. For any feedback (positive or negative!), please contact us via our website.

What's New in Version 1.1.0

Fixed various glitches, especially for iOS7.
Also added two extra audio test files (left and right panned white noise) for testing stereo configurations.
Updated app icon, in line with more popular 'flat' style.


iPhone Screenshot 1
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iPhone Screenshot 5
iPad Screenshot 1
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iPad Screenshot 5

Customer Reviews

Sound Designer

Nice features, and great that it's free, but I'm hitting bugs immediately. In both the room mode and reverb calculators, switching to imperial from
Metric sends me back a screen and then to a blank gray screen that gives no controls. I have to quit and restart the app to get back in. Obviously needs a bit more debugging...

Hey it's free that's the spirit!

Haven't used it yet but unless I come back here to update any bugs assume awesome and as described!

Update please!

The app need an update for ios 9!!!

toolBox for acoustics
View in iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Reference
  • Updated:
  • Version: 1.1.0
  • Size: 4.7 MB
  • Languages: English, German
  • Seller:

Compatibility: Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
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