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PRODUCT DETAILS
Calendar 366 v4.0
Your events and tasks, now ready for iPhone Duo
- Launch date · UTC
- 2026-10-19
- Domain
- calendar366.com
- Domain ending
- .com
- Category
- Productivity
About this product
Calendar 366 brings events and tasks together in one native app for iPhone, iPhone Duo, iPad, Apple Watch and Mac. It works with iCloud, Google, Outlook & Microsoft 365, CalDAV and Todoist. What makes it different: 13 views, Calendar Sets, natural language input, Siri AI and MCP support for Claude and LM Studio. On the Mac it also lives in the menu bar. New in 4.0: iPhone Duo support, redesigned event and task details, new app icons and more reliable invitations.
Keywords
CalendarNatural language inputTask Management