This is my most important productivity extension, and I have used quite a few.

really really good, just wish it had an option to stop overdrives ha ha

Superb, life saving extension. An absolute necessity.

I love this app. It keeps distractions away during work hours

Very useful and convenient to use. I love that we can block the sites during specific times as well as put a time limit at times when the sites are available , also love the option to prevent editing the time block when blocking is active

it works well!

Really helpful add-on, it has really improved my life.

Excellent supports all sites very motivational

very effective and useful extension.

Very capable, lots of options.

This extension is very, very, very cool

Excellent and has helped with my productivity.

Very good, very helpful. But as some other users mentioned; not the most user friendly

It's very good, but its not very user friendly. However the leech block forums are very helpful to figure out how to find your solution.