How to Set Reminders on a Mac (Every Method, 2026)
macOS gives you several built-in ways to set reminders, and they're fine — until you realize you've been dismissing every notification without reading it. This guide covers each built-in method quickly, then the options for when a small banner isn't enough.
1. The Reminders app
Apple's built-in Reminders app is the default answer. Open Reminders, press ⌘N, type your task, then add a date and time. It syncs with iCloud to your iPhone and iPad, supports lists, priorities, and location-based triggers ("remind me when I get home").
Limitations: reminders arrive as standard notifications — small banners in the corner that are easy to swipe away. There's also no repeat-every-20-minutes style interval for habit nudges; repeats are calendar based (daily, weekly, monthly).
2. Siri
The fastest built-in method. Press and hold the mic key (or say "Hey Siri") and speak: "Remind me to call Alex at 3pm". Siri creates the entry in the Reminders app. Great for capture speed, same notification-banner delivery.
3. Calendar events with alerts
For time-critical things, a Calendar event with an alert is more reliable than a reminder — you can set multiple alerts (e.g. 10 minutes and 1 minute before) and it shows in your day view. Better for meetings than for habits.
4. Focus filters & delivery gotchas
If your reminders seem to never appear, check System Settings → Notifications and your Focus modes. A Do Not Disturb or Work Focus can silently swallow Reminders notifications — the single most common reason "my Mac reminders don't work."
The problem with all of the above
Every built-in method delivers the same way: a small notification in the top-right corner. Notifications are designed to be ignorable — that's good for Slack messages, bad for things you genuinely must do. If you've ever dismissed a "stand up" reminder while continuing to sit, you know the failure mode.
5. Menu-bar reminder apps (when you need to actually notice)
Third-party menu-bar apps fix two gaps: interval habits (every 20 minutes, not just "daily at 9") and unmissable delivery.
Heed is our take. It sits in the menu bar; you press a global shortcut and type in plain language — "drink water every 20m", "submit report tomorrow 9am" — and it understands both repeating intervals and one-time schedules. When a reminder fires, it doesn't show a banner: it briefly takes over the whole screen, so you can't miss it. Then it gets out of the way. Native, offline, free to try.
Which method should you use?
- Shopping lists, errands, shared lists → Apple Reminders (+ Siri for capture).
- Meetings and appointments → Calendar with two alerts.
- Habits and health nudges (water, stretch, eye breaks) → a menu-bar app with interval reminders and full-screen delivery, like Heed.
- Anything you truly cannot miss → full-screen delivery, full stop.