CoIsland vs Chunk

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CoIsland compared with Chunk
Detail	CoIsland	Chunk
What it does	Attention is all you have	Time blocking app for Mac with two-way calendar sync and AI integration
Stage	Growing	Not given
Founded	Not given	Not given
Based in	CA	Not given
Pricing model	Paid	Paid
Pricing	$5.99 until October 25 (early bird), then $19.99 paid once for up to 2 Macs with a year of updates. Additional years of updates cost $5.99 each. 30-day money-back guarantee.	Free trial for 7 days (no credit card required). Lifetime License: $29.99 USD (full access for 2 Macs, all current features and future updates included). Family Package: $59.99 USD (full access for up to 6 Macs, all current features and future updates included). Coming soon: Chunk for iPhone at $8.9
Key features	35+ connectors for code, deploys, data, tickets and on-call tools Alerts displayed in Mac notch with signal filtering Custom monitors with queries on user-defined schedules Integration with AI agents for automated actions Credentials stored securely in macOS Keychain No server, direct connection to user's tools from Mac	Two-way calendar sync with Apple Calendar, Google Calendar, and Outlook Integration with Apple Reminders and custom task lists Local Claude AI assistant for natural language scheduling via MCP Menu bar panel with global keyboard shortcut (Cmd+/) Live countdown timer and fullscreen alerts Recurring task templates and reusable daily plans Multiple schedule views (day, week, month) with timeline compression Cross-device sync across Macs via iCloud Analytics dashboard tracking planned hours, completions, and follow-through Schedule export as PDF or CSV
What makes it different	Native Mac app built in Swift for Apple Silicon, not a browser tab No server architecture means data never leaves your Mac Unified view across multiple workspaces and teams	Built for ADHD users and focus-first workflows with minimal friction One-time $29.99 purchase with no subscription or recurring fees All data stored locally on Mac; never sent to company servers Local Claude AI integration that runs entirely on device Menu bar access with fullscreen floatability while maintaining focus
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 +1 (up) since last check	30 no change since last check
Trust Flow (Majestic)	21	22
Citation Flow (Majestic)	22	30
Referring domains (Majestic)	67	163

5 details filled in for both companies.

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