This app is not for square or even useful to make a perfect circumference. It's for to stay focused. To use your phone less and get it done. Complete projects, work and study! You can make a lot of progress completing circle of work and with this app, everything became simple and easier to do so. What are you waiting for? Get this app, now! It's so smart that can detect if you are distracted or if you're using the phone while you should working!