Supported Operating Systems

  • Windows Vista or higher
  • Mac OS X 10.9 or higher
  • iOS 10 or higher

Minimum Hardware Requirements


  • 800-megahertz (MHz) 32-bit (x86) processor or 800-MHz 64-bit (x64) processor.
  • 512 megabytes (MB) of system memory
  • DirectX 9-class graphics card
  • 32 MB of graphics memory
  • 5 GB of free hard disk space
  • Audio output capability (for sound presentation only)


  • An Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor.
  • 2 GB of RAM
  • 5 GB of free hard disk space
  • Audio output capability (for sound presentation only)


  • iPhone 4s or higher.
  • iPad 2 or higher
  • iPod Touch 5th generation or higher

Inquisit is an open-ended programming platform, so it is theoretically possible to design an experiment that would exceed the capacity of the most powerful computer on the planet. As a simple example, your experiment could attempt to load and present a billion images, each of which is billion pixels in heigth and width, which would easily choke even the best machines rolling off the production lines at Dell, HP, or Apple. Generally speaking, if your experiment involves lots of pictures and/or video, you'll want to have a decent graphics card along with enough system RAM to buffer all of the pictures used by the experiment. If you are using speech recognition or voice key input, or you are presenting audio files, you should invest in a decent sound card, along with enough system RAM to buffer your sound files. Otherwise, if your experiment involves little or no media files or audio streams, the minimum system requirements should be more than adequate.

Millisecond exhibiting at ICPS 2019 Paris
January 08, 2019
Millisecond is excited to be exhibiting at ICPS in Paris on March 7-9, 2019. Please stop by and say hi. As always, we'll be offering free brains and chocolate.
See you at Psychonomics International 2018 in Amsterdam
May 02, 2018
Millisecond is excited to visit Amsterdam for the Psychonomics International Meeting May 10-12. This is our first time exhibiting at this relatively new conference, and we look forward to meeting ne...
Millisecond embraces the GDPR
May 02, 2018
On May 25th, the European Union's new General Data Protection Rules (GDPR) will take effect. These rules introduce sweeping changes that give EU citizens more awareness and control over how their...
Millisecond to exhibit at the 2017 Psychonomic Society Meeting in Vancouver
August 18, 2017
Millisecond is excited to be returning this fall to the Psychonomic Society's annual meeting in Vancouver, Nov 9-12. The Psychonomic Society meeting was the first conference that I attended as a...
Inquisit 5.0.9 has been released!
August 18, 2017
Millisecond is pleased to announce the release of Inquisit 5.0.9. This release includes numerous fixes for a number of issues reported by customers, particularly on iOS devices and with the Tobii...
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