Chunk vs Checkpoint64

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 Checkpoint64
Detail	Chunk	Checkpoint64
What it does	Time blocking app for Mac with two-way calendar sync and AI integration	Automatic cloud backup and full version history for PC game saves
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	GB
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: 20 MiB storage, one personal space, one team, full version history, co-op locks included. Lifetime: €10 one-time purchase, 1 GiB storage per space, up to 3 teams, share codes for 15 read-only fans. Pro: €45 one-time purchase, 5 GiB storage per space, up to 5 teams, 25 seats per team minimum, u
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	Automatic background backups every 60 seconds Full version history with one-click restore Server-enforced co-op locks to prevent simultaneous uploads Deduplicated uploads for changed files only Presets for 450+ games and 7 emulators Shared activity logbook for teams Read-only share codes for community worlds Checkpoint Connect for peer-to-peer server hosting without port forwarding Full controller navigation including Steam Deck
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	Covers emulators, modded installs, and GOG copies that Steam Cloud does not support Maintains full version history unlike Steam Cloud which syncs broken saves Pay-once lifetime plan with no subscription required Only uploads files that changed to minimize bandwidth and storage Built by solo developer who lost 200-hour Factorio base
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)	29 −1 (down) since last check	4 no change since last check
Trust Flow (Majestic)	22	6
Citation Flow (Majestic)	30	25
Referring domains (Majestic)	163	11

5 details filled in for both companies.

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