Quartz
MAC · GMAIL — PUBLIC BETA

Email,
that knows what deserves
your attention.

Important messages get the room they need. AI drafts sound like you. Your emails stay private, never shared with AI providers.

Quartz - AI email client built for focus. Runs locally on your Mac | Product Hunt
Runs on your device Learns your style Hides the noise
Focus

Importance shapes what you see.

Quartz auto-categorizes every message by importance — defined by you, learned over time. Important mail gets the room it deserves. Inbox items stay scannable. FYI, Icebox, and Noise collapse out of the way.

The Quartz inbox: Important messages shown in full with sky-blue AI summaries, Inbox items as scannable one-liners, and FYI, Icebox, and Noise collapsed to the bottom.
Privacy

Processed on this device. Your mail is never uploaded.

The model that sorts your inbox and drafts your replies runs locally — on your Mac. We can't read your mail. Neither can our servers, because there are none.

Privacy
On-device AI
Classification and drafting run locally. Apple Silicon only.
End-to-end encrypted
Mail is encrypted on your device with keys only you hold.
CASA Tier 2 certified
Independently audited and certified under Google's Cloud Application Security Assessment.
Your voice

Replies that sound like you.

Give Quartz a few bullet points. It learns the way you write, understands your relationship with the sender, and picks up the context of each thread. Drafts come back in your cadence, your phrasing, and your level of warmth. Generic LLM tone is left at the door.

A Quartz reply composed from three bullet points — a warm, on-tone draft to Vera Lindqvist, with the bullets pinned beneath a gradient ‘Draft reply all’ button.

An inbox worth opening.

Download the app and connect your Gmail — Quartz is free for beta users.

Quartz - AI email client built for focus. Runs locally on your Mac | Product Hunt