Meet and Whereby, on the other hand, require nothing but a modern browser.
Good for calendar scheduled meetings, bad for casual chat.
Skype and zoom cover that part, I do bot know for meet.
Zoom has the worst UX of any of them. Here's what it looks like when I join a Zoom meeting:
Paste URL into browser (URL has company subdomain). Get redirected to a generic login page that asks how I want to log in, as if they have no way of knowing that my company has SSO enabled. Click SSO, get redirected to a new page asking me for my company's subdomain despite the fact that they already have it from the original URL. Get redirected to my company's SSO login and login. Redirected back, where they ask for my name, every time, even though it's on my profile. Finally, type in the meeting password and join.
It's literally awful. I can't think of a worse way to implement that flow. And I'm not installing their desktop app. Given their horrendous security track record, the fact that they shouldn't need a thick app to begin with, and that it has to run on my desktop because corporate VDI has terrible performance in video calls.
Anecdotally, I'd disagree with this statement. It seems people pay for it because the video is more reliable than web apps and skype.
It's really rather basic stuff: "Schedule" is used as a noun but it can also be a verb, so bad choice of labels. To admit someone to a room I have to bring up the partipants chat. Wtf. When I'm in another application whilst awaiting people to join I have to keep checking, why not a notification and sound when they join? If I'm trying to join a meeting in similar situation, I can't work because there's a window blocking my screen (Mac). The constant suggestions of dial-in audio (wtf) are annoying and confusing. etcetera, ad infinitum. Additional complaints: there is a weird bug that causes audio quality to drop to "tinny phone" levels when using airpods. They fixed it. And now they broke it again. The white balance doesn't work and I can't adjust it...
Don't get me wrong, I use it because the video works with groups and doesn't stutter often. But the UX is awful.
Zoom is a good example of terrible user experience. It won't even summarize the status of your connection and the meeting you are trying to join. If Skype fixed Multi-Party and made it free we would have roasted Microsoft for doing it as poorly as Zoom and Google would have filtered nothing.