Based on our record, Chronograph.io seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
What about a cloud synchronized app on a phone? This one has a sharing option where others can view the synchronized timer. Maybe you could set your phone screens to always on? Source: 10 months ago
Shameless plug: I created https://chronograph.io back in 2014 so people can share accurate, live stopwatches and timers. Other sites "share" by putting the start epoch & duration in a url querystring; Chronograph is one of the first to actually share a session with concurrent edits. Of the years, it's found a variety of use cases:. - Source: Hacker News / almost 2 years ago
Mater - This is a minimal menubar Pomodoro app written in Electron.
MultiTimer - The new application available on the App Store|Subscribe