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To Do uses Apple’s iCloud to sync tasks across your Mac and iPhone. As long as you’re signed into the same iCloud account on each device and have iCloud Drive enabled, changes appear on the other device within a few seconds.
First, confirm you’re signed into iCloud on both devices and that iCloud Drive is enabled. On iOS, check Settings → [your name] → iCloud. On macOS, check System Settings → Apple ID → iCloud. Sync may take a few seconds after a network reconnect — if it still doesn’t catch up, force-quit the app and reopen it.
That’s by design. To Do on Mac is a menu bar app — look for the small icon in the top-right of your screen. Click it to open the to-do list. There is no Dock icon and no main window on purpose.
Click the menu bar icon to open the popover, then click the gear icon and choose Quit.
Yes. If you’re not signed into iCloud, To Do works as a fully offline app on each device. Tasks are stored locally and won’t sync to your other devices.
Later is a holding area for tasks that aren’t for today. Right-click a task and choose “Move to Later” to push it down. Pull it back when you’re ready.
Buckets are optional categories for grouping tasks (a project, an area of life, a context). Add a bucket from the “+” pill in the buckets bar, then assign tasks via right-click. Buckets are independent of the Today / Later distinction.
Right here: /todo/privacy.