FlowSavvy is a free time block planner app that schedules tasks from your to-do list into your calendar. Developed by FlowSavvy, it is available for Android and requires an internet connection. The app features advanced auto-scheduling that automatically splits tasks, balances your workload over multiple days, and rebuilds your schedule whenever you make a change. You can also generate optimized time blocks up to 8 weeks ahead.

FlowSavvy also offers customizable auto-scheduling settings and scheduling hours, such as work hours and personal hours. The app's task/event features allow you to set due dates and durations, repeating events and tasks, partial completes and progress tracking, and complete tasks directly from the calendar. Tasks are color-coded based on their proximity to their due date, and events can be marked as all-day or busy/free.

Other features include push notification reminders, Google Calendar syncing, multiple calendar and to-do list views, unlimited events, tasks, and calendars, quick capture tasks in the inbox, and dark mode and custom colors for events and tasks. Overall, FlowSavvy is a great app for anyone looking for weekly planning with automatic time-blocking capabilities.