Calendar 366 v4.0 - Your events and tasks, now ready for iPhone Duo

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.

Hi Product Hunt, I'm Vincent, and I've been building Calendar 366 on my own since 2017. Version 4.0 is the biggest update in a long time. What's new: - iPhone Duo support. The layout adapts to the fold, the camera strip and the rounded corners. Unfolded, your calendar is on the left and your tasks are on the right. - Redesigned event and task details. The preview is cleaner and lets you edit directly, and the edit view is tidier. - New app icons to choose from. - More reliable invitations. You can reply to a single occurrence or the whole series, and delegate on Microsoft and Google accounts. - Weather for the event's own location right in the preview. Many of these changes came straight from user feedback, so thank you to everyone who wrote in. I'd love to hear what you think, and what you'd like to see next. Vincent

Calendar 366 v4.0 - Your events and tasks, now ready for iPhone Duo

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