Chunk, the ultimate time block planner.
The zero-bloat time block planner for macOS, built for focus not friction. Sync your calendars, set fullscreen alerts, and take control of your day.
Requires macOS 12 Monterey or later. 7 days free trial, no credit card required.
Integrated with your favorite calendars
Connect Chunk with the apps you use daily to keep your focus in line with your schedule.
Apple Calendar
Sync your Apple Calendar events with Chunk.
Google Calendar
Connect your Google Calendar for a unified view.
Outlook Calendar
Integrate Outlook to keep work and life in sync.
Apple Reminders
Import tasks from Apple Reminders into your day.
Built for focus
Everything you need to complete your day.
Simple. No fuss. No bloat. Just a powerful time block planner that works.
Talk to your schedule. Claude handles the rest.
Chunk ships a local MCP (Model Context Protocol) server. Connect it to Claude Desktop in one click and plan your day in natural language — with your data never leaving your Mac.
Reply…
Claude is AI and can make mistakes. Please double-check responses.
Capabilities
Runs on your Mac
The MCP server is a local process. Chunk reads and writes directly to your on-device database.
Data never leaves
Nothing is sent to any server beyond what Claude itself processes during your prompt.
One-click connect
Settings → AI Integrations registers the MCP server with Claude Desktop. Disconnect anytime.
Designed with care
Your time, blocked into manageable chunks.
Simple. Minimalistic. Modern. Aesthetic.
Featured on these platforms
Getting started
How does it work?
Try Chunk completely free. No credit card, no fuss. Just focus, plan, and thrive.
Get started for free
Enter your email to receive a 7-day trial license. No credit card needed. Start chunking your day instantly.
Enjoy full access
For 7 days, experience everything: real-time countdowns, smooth task transitions, smart notifications, and more.
Lifetime unlock
Grab a one-time lifetime license. No subscriptions, no recurring charges. Just a single payment to unlock Chunk permanently.
Testimonials
What our users say
We'd love to hear what you have to say about Chunk.
FAQ
Frequently Asked Questions
Have any questions? We're here to help.
Chunk is a menu-bar time-blocking app for macOS. Plan your day as colour-coded blocks, watch a live countdown in your system tray, and get notified as each block starts and ends - all from a panel that slides down from the top-right of your screen.
Yes - you can try Chunk free for 7 days, no credit card required. After the trial, Chunk is a one-time purchase for lifetime access.
Yes. Chunk offers full two-way sync with Google Calendar, Outlook, and Apple Calendar. Drag to move or resize external events straight from Chunk and the change syncs back to the source calendar. A lock toggle lets you freeze external events as read-only whenever you'd rather avoid accidental edits.
Yes. The Chunk panel floats above every other window - including fullscreen apps - so you never have to break your flow to check your schedule. The tray countdown stays visible too.
Yes. Build reusable day Templates and turn any of them into a Routine that auto-applies on the weekdays you choose. Your recurring structure is ready every morning with no manual setup.
Yes. Chunk ships with an optional local MCP integration that lets Claude read your schedule and create, move, or delete events, tasks, and templates on your behalf. The MCP server runs entirely on your Mac - your schedule never leaves your device.
Yes. Your Apple Reminders lists appear inside Chunk's task sidebar alongside your Chunk lists, so you can drag Reminders items straight onto the timeline to schedule them.
Chunk is a native macOS app for both Apple Silicon and Intel Macs. There is no Windows, Linux, or mobile version.
All your schedule data lives locally on your Mac. There is no cloud sync and no server dependency - your plan stays private to your device.
Didn't find the answer you're looking for? Contact our support