Technical requirements to use Contrast | contrast Help Center
Technical requirements to use Contrast
Contrast runs on most devices, operating systems and browsers
Written by Luuk de Jonge
February 26, 2026
Technical requirements for speakers and webinar hosts
For the best experience on Contrast, we recommend you to use Google Chrome. Or a browser that runs on Chromium.
Make sure that your browser is up to date for the best experience.
If you're experiencing problems with Contrast or the webinar studio, please check out our help desk.
Don't have Google Chrome? Install it here.
Contrast for speakers and webinar hosts is currently only available on desktop computer and laptop.
Technical requirements for attendees
Attendees can join and watch your webinar from the following operating systems
- Microsoft Windows
- Apple MacOS
- Apple iOS
- Apple iPadOS
- Android
As a general rule, we recommend using a recent operating system. Operating systems older than 7 years might experience issues.
If your attendees can not join or watch your webinar, please make sure they have updated their browser before contacting us.
It may happen that a firewall or anti-virus software is blocking them from accessing Contrast.
Contrast for attendees is available on desktop, tablet and mobile device.