DayStack vs EnergyBlocks

Stack your day with purpose. DayStack helps you organize tasks, build routines, and stay focused on what matters most. Simple, beautiful, and distraction-free.

Energy Blocks helps you plan focused work around your daily energy. See an Energy Flow timeline based on permitted sleep and activity signals from Apple Health. Add tasks, choose the energy level they need, and get suggested time blocks that fit your day. Energy Blocks can check your Calendar locally to avoid conflicts, save confirmed time blocks, and send local reminders before and when a block starts. Features: - Energy Flow timeline for the current day - Suggested windows for focus, study, creativity, decisions, exercise, meals, naps, and wind-down - Intent-aware task suggestions based on your task name - Drag-to-adjust time blocks before saving - Calendar conflict awareness - Local notifications for confirmed blocks - Home Screen widgets for quick energy checks Privacy-first by design: - No login - No backend - No analytics - No advertising - No health data upload Health and calendar data are processed on device. Energy Blocks provides productivity guidance, not medical advice.