Invite-only beta

Download Calsifer

Calsifer is currently invite-only. The Mac download will be available here when the beta opens.

Coming soon Apple silicon Mac, macOS 14 or later.

How getting in works

  1. An invite is required for the Mac beta. Invitations are not open yet.
  2. Download Calsifer here when the beta opens.
  3. Sign in with your email and your invite code. Calsifer emails you a six-digit code to confirm it is you. There are no passwords.

What it will ask for

Calsifer needs a few macOS permissions to do its job:

The privacy page says what leaves your Mac and when.

What it costs

The beta is free while we learn.