Chunk vs WELTEN

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

Chunk compared with WELTEN
Detail	Chunk	WELTEN
What it does	Time blocking app for Mac with two-way calendar sync and AI integration	Mac focus timer that grows a forest behind your desktop icons
Stage	Not given	Startup
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	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	Free: 10 focus sessions. One-time purchase: €24.99 includes Waldlichtung forest world, two personal installations and published 1.x updates.
Key features	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	Customizable focus sessions from 1 to 180 minutes Desktop forest visualization with seven tree families Background sound options including forest ambience and white, pink or brown noise Pomodoro timer with customizable breaks and rounds Integration with Apple Reminders Mac Focus automation with Do Not Disturb Multi-display support Persistent forest that never withers Optional Wurzel companion on desktop Automatic forest archiving after 500 sessions
What makes it different	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	Forest visualization grows behind desktop icons without changing wallpaper No account or subscription required, data stays on your Mac
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)	30 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	22	0
Citation Flow (Majestic)	30	1
Referring domains (Majestic)	163	6

5 details filled in for both companies.

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