Optional extra for Mac

Your whole year, one shortcut away.

Really Big Calendar is a web app that works in any browser. On a Mac you can add this free extra: press a key combination from any app and your calendar drops over everything. Press it again and it's gone.

Download for Mac

Free · Uses your Really Big Calendar account · macOS 13 or later · Apple Silicon & Intel

New to Really Big Calendar? You don't need the Mac app. Start free in your browser →

Default shortcut ⌃⌥⌘C. You can change it.

Full screen Large window
One calendar, everywhere

The web app is the calendar. The Mac app is a shortcut to it.

The main app

Any browser

Go to reallybigcalendar.com on any computer. Nothing to install.

Start free →

Your phone

Open it in your phone's browser and add it to your home screen.

Optional

Mac app

A keyboard shortcut to the same calendar. Everything you change is saved to your account, so it matches everywhere.

A shortcut from anywhere

Check your year without leaving what you're doing. Choose any key combination you like.

Full screen or a large window

Cover the whole display, or float a big window over your work. It's your choice.

Signed in, always current

Sign in once and you stay signed in. The app updates itself, so there is nothing to maintain.

How to install

Three steps, about a minute.

  1. Open the DMGOpen the file you just downloaded.
  2. Drag to ApplicationsDrag Really Big Calendar onto the Applications folder, then open it.
  3. Press ⌃⌥⌘C and sign in onceYour calendar appears. Sign in with your usual account and you're set.

Prefer the browser? Open the web app. It's the same calendar.