Sprintbox – Time-blocking system for extended deep work sessions

Summary: Sprintbox is a time-blocking tool designed for deep work sessions lasting 2 to 4 hours, offering flexible break scheduling to maintain focus and flow. It replaces the fixed 25-minute Pomodoro cycles with longer sprints tailored to individual work rhythms.

What it does

Sprintbox enables users to work in extended sprints with adjustable break budgets, allowing uninterrupted focus or timely breaks based on personal flow and burnout levels.

Who it's for

It targets creative professionals like developers and writers who need flexible time management for tasks with unpredictable durations.

Why it matters

It addresses the limitations of standard Pomodoro timers by preventing forced breaks and unstructured rest periods that disrupt productivity and flow.