Apple Mail
Local Apple appsDraft, send, and search your mail, all on your Mac.
Ask Halo to email someone and it can open a pre-filled draft for you to send, or, when you tell it to send, deliver the message through Mail itself after showing you a confirmation. Sending asks first, every time, because an email can't be un-sent. Replies land in the original thread with the original quoted.
Turn on "searchable in Recall" and Halo also reads your mail (sender, subject, and a short excerpt of the message) from Mail's own local store, so "what did the landlord say about the lease?" has an answer. It's easy to switch off, and entirely on-device: no account to connect, no server involved.
While you're writing, Halo's system-wide autocomplete works in the compose window too, offering continuations in your voice.
Capabilities
What Halo does with it
- Drafts an email and opens it in Mail, pre-filled and ready to review
- Replies to an existing email, threaded, with the original quoted
- Sends through Mail on your behalf, always after a confirmation
- Checks your mail for messages on a topic, on demand
- Optionally makes your mail searchable in Recall: sender, subject, and a short excerpt (opt-in)
- Inline autocomplete while you write your own messages
How it connects
Built into your Mac.
- 01
Nothing to sign in to
Halo works with Apple Mail through the same built-in macOS capabilities Apple's own apps use. There's no account to connect and no key to store.
- 02
macOS asks first
The first time Halo needs access, macOS shows its own permission prompt. You decide, and you can revoke it any time in System Settings.
- 03
Nothing leaves your Mac
Reading, writing, and understanding all happen on your device. There is no server involved, not even ours.
What stays private
Drafts are written on your Mac and handed straight to Mail. Reading mail into Recall keeps to the sender, subject, and a short excerpt from Mail's local store on your Mac, and you can switch it off any time. No account, no key, and nothing through a server.