Kairos review
A focused offline planner for macOS users who want local, detailed time blocking.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Kairos is an open-source daily planning app for macOS built around time blocking. Its weekly timeline connects tasks with reserved periods, while day planning lets users move time blocks as priorities change. Tasks can hold subtasks, notes, next steps, comments, files, estimates, and tracked time. A Focus mode adds a single-task workspace and timer, making Kairos suited to individuals who want detailed planning without an account or cloud workspace.
The strongest fit is its local-first planning model. Kairos stores the task database in local SQLite and keeps attachments locally, with core planning available offline. That supports private planning and reduces dependence on an internet connection. The trade-off is a narrow platform and ecosystem fit: the app is for macOS, and it does not connect to calendars or other integrations. Users who need shared workspaces, mobile access, or synchronized planning across devices should look elsewhere.
Kairos also goes deeper than a basic checklist by combining time blocks with planning metadata, task estimates, tracked time, subtasks, comments, files, and a timer. This makes it a practical choice for people who plan work around available time rather than simply collecting tasks. Its open-source model avoids a tiered subscription structure, but the product remains intentionally focused. Choose Kairos for private, offline time blocking on a Mac; choose an alternative if calendar connectivity, broader platform coverage, or collaborative features are central requirements.
Kairos pros and cons
- Where it wins
- Weekly and daily time blocking with movable reserved blocks
- Task details include subtasks, notes, files, estimates, and tracked time
- Offline planning with local SQLite storage and no account required
- Where it doesn't
- Available only on macOS
- No integrations or calendar synchronization
- Local storage limits access across devices
Kairos fact sheet, pricing and score →
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