Chunk

Chunk is a time blocking app for Mac that lets you plan your day in time blocks, synced both ways with Apple Calendar, Google Calendar and Outlook, for a one-time $39.99 with no subscription. Drag tasks onto a day or week timeline, let Queue and fit place several tasks into the free gaps around your meetings, and rebuild a normal weekday from a template in one click. Apple Reminders syncs both ways, quick capture works from any app, and a live countdown, desktop widgets and alerts keep you on plan. 7-day free trial, no card required.