Sprintbox

Hey guys I built a time blocking system that embraces longer time blocks with flexible breaks to never kill my flow. Standard pomodoro is not flexible enough for me as sometimes I will be in flow and pumping out output for 2 hours straight, where a break would brake me down, and sometimes i get burned out after half an hour, where a break would be more useful. Standard pomodoro also doesnt have a daily structure, so I would finish a cycle and "rest" for 15 minutes, but because there is no cycle explicitly scheduled at a given time, my break spirals into 2 hours. I fear that other people have the same problem as me, especially people in creative work where task duration cannot be easily estimated, like developers, writers, etc. What do you guys think about this tool? Try out the free trial and give me your feedback :)