Whist and Mighty are similar in that they are browsers that offer cloud-offloading.
Whist differs by being built in a native browser on your computer, rather than being fully offloaded to the cloud, and supports both local and cloud tabs (so that you can adapt your workflow based on which web apps you are using, how strong your Internet is, etc.)
For more details on the exact differences with Mighty and with other browsers, we have a comparison chart on our website
The comparison is present on the website homepage. Check it out. It's a hybrid browser(supports local and remote tabs) as opposed to a cloud only browser
Whist differs by being built in a native browser on your computer, rather than being fully offloaded to the cloud, and supports both local and cloud tabs (so that you can adapt your workflow based on which web apps you are using, how strong your Internet is, etc.)
For more details on the exact differences with Mighty and with other browsers, we have a comparison chart on our website