Chunk
Time Block Planner for macOS
Overview
What is Chunk?
Chunk is a macOS menu bar app for time-blocking your day. Built for people with ADHD, students, and productivity enthusiasts, Chunk brings together colour-coded time blocking, to-do lists, reusable templates and routines, Google/Outlook/Apple calendar sync, Claude AI integration for natural language scheduling, fullscreen notifications, and always-on menu bar access - all in a lightweight native app that works over fullscreen windows.
What is Chunk used for?
Tags

Top Features
- Menu bar time blocking with global shortcut (Cmd+/) - works over fullscreen apps
- Day, List, and Week views with drag-to-create, move, and resize blocks
- Reusable templates and automated routines for recurring daily schedules
- Google Calendar, Outlook, and Apple Calendar sync
- Task mode with Apple Reminders Integration
- Claude AI integration via local MCP server for natural language scheduling
- Live countdown timer in the system tray
- Fullscreen notifications for task transitions
- 25 languages supported, native macOS frosted-glass design
- Built-in analytics dashboard tracking scheduling patterns
How to use Chunk?
1. Download Chunk from chunkapp.net and open it from your macOS menu bar. 2. Press Cmd+/ to open the panel over any app - even fullscreen. Click away to dismiss. 3. Drag on the timeline to create colour-coded time blocks. Drag edges to resize, drag blocks to reschedule. 4. Build templates for your typical day structures (e.g. \"Work Day\", \"Study Day\") and turn them into routines that auto-apply on chosen weekdays. 5. Switch to Task mode to manage task lists. Drag items onto the timeline to schedule them as blocks. 6. Connect Google, Outlook, or Apple Calendar in Settings to see existing events alongside your blocks. 7. Enable the Claude AI integration in Settings to plan your day with natural language - just ask Claude and your blocks are created. 8. All data is stored locally on your Mac. No account or cloud sync required.
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Pros & Cons
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Use Cases
- Time blocking your workday with colour-coded focus, meeting, and break blocks
- Structuring study sessions for students and exam revision
- Managing freelance schedules with varying daily structures
- ADHD-friendly time management with visual schedules and fullscreen reminders
- Planning around existing calendar meetings without leaving fullscreen apps
- Building daily routines that auto-apply so your week is always pre-planned
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