The most natural-sounding voices for Mac

Infovox iVox features


Clear and pleasant

Use truly natural sounding voices


A voice for everyone

More than 100 voices to choose from


Add character and humor

Specialty and character voices


For all ages

Includes genuine children’s voices


Your own language

Voices available in 31 languages


Use anywhere for anything

System-wide and in any Mac app

Why use an Infovox iVox voice

Infovox iVox voices are the most natural sounding Text to Speech voices currently available for Mac. With over 100 voices in 31 languages to choose from, Infovox iVox offers a voice for everyone. Individual voices are easily installed and removed and can be used system-wide in any Mac application that is compatible with Speech Synthesize Manager, including Adobe Acrobat Reader, Safari, TextEdit and Preview. All Infovox iVox voices can be purchased individually so you only need to buy the voice you really want.

Infovox iVox voices are developed by Acapela Group, the European leader in speech technologies, and distributed worldwide by AssistiveWare.

How to use Infovox iVox

All Infovox iVox voices can be downloaded and used free of charge for a 30-day trial period. We encourage you try out as many voices as you like.

To trial voices

  1. Download and install Infovox iVox
  2. Go to the Action menu on the right side of the voice
  3. Select Download and Install
  4. Click on Start Demo Period...

To purchase voices

  1. Buy voice credits (one credit per voice)
  2. You will receive a confirmation email with an activation code
  3. Redeem the activation code and activate your voice(s) within Infovox iVox

If you need help, please read this FAQ.

Download or buy voice credits

Try it for free!

You can test each Infovox iVox voice for a free 30-day trial period. Buy voice credits to permanently activate the voice(s) of your choice. 

Infovox iVox 4.5

Download Infovox iVox

Voice credits

Buy voice credits

Volume discounts available from 5 credits and up

Licence information

All voices are licensed at one voice credit per voice per computer. Voice credits are sold individually for US$ 14.99 / € 14,99 each.

The Infovox iVox voices are for personal use. For professional or commercial use, please contact our support.


This update introduces the first genuine Dutch Text to Speech voices for children, Merel and Thijs. We spent nearly a year creating these voices in collaboration with Acapela Group and NSGK.

What users say

  • Love the quality of these voices. And I can try out a voice for 30 days before I decide to license it. Great!

    John WadeSound engineer