Mentimeter is entirely browser-based, meaning that your audience can use any internet-connected device to interact during your presentations. The most common case is to use a smartphone, and here are the general requirements:
Android 11.0 or later
iOS 14.0 or later
ChromeOS 85 or later
Please note that cookies need to be enabled on the voting device. This is managed through the browser settings.
Please check out the following article for more details on the requirements for using Mentimeter.