I have the phone app for this, and I was very excited when I discovered the extension. While it doesn't have (or need) all the functionalities of the phone app - although I believe they are working on adding more - it does the main thing it is supposed to do (delay visiting a website). For me, this was honestly a huge deal. Just blocking websites using other extensions didn't work for me, I ended up unblocking them because I still wanted to visit the site itself. With this, it actively makes me reflect on why I want to visit the site, or if I want to visit it at all. I end up spending a lot less time on these websites, which I am very grateful for.

Overall, this extension has been a very big deal for me, just as the phone app has.

By the way, if you have similar issues with opening up apps on your phone and you have IOS - I highly recommend going to check out the phone app.

Edit in response to Frederik: Yes, I agree! The extension as-is works very well, being able to add websites to the list with a couple clicks, adjust exercise duration, and configure intentional switching is great and they all work seamlessly. Adding additional functionalities on top is just icing on the cake :)