Quartz turns Gmail into a focused inbox. It sorts every message by importance, and learns what matters to you over time. When you reply, it drafts in your own voice. And the AI runs entirely on your own Mac, so your mail stays end-to-end encrypted and never shared with AI providers.
We built Quartz because our own inboxes had become impossible to keep up with.
AI made it easier than ever to send emails at scale. We think AI should also help people defend their inboxes from that noise.
Quartz is an AI-native email app that protects your focus and helps you get through email faster. It learns your style and preferences over time, so it gets better the more you use it.
And because email is private, Quartz runs entirely on your device. Your emails are not sent to AI providers.
Excited to share it with you today. We’re currently in public beta and free to use.
Whoa, this looks really slick! Big kudos on making the AI fully local, too 👍👍👍 I might actually stand a chance at processing my 5k unreads 🤔
Local-on-Mac with Gemma on-device is a great privacy angle, that's exactly why I run my own AI tools on my own machine too. One thing I haven't seen asked: since the model runs on the Mac, what happens to sorting and drafts when the laptop is asleep or closed? Does it catch up the moment you reopen it, or do you need it awake to keep processing? Congrats on the launch.
Focus and privacy in the same product is rare for an email client. Does it handle multiple accounts in one inbox?
the 'drafts in your own voice' bit locally is what i'd watch — no per-user training step means few-shot on your sent mail, so the voice match lives or dies on which examples get picked.
Been dreaming about this for a while but for comms more broadly: telegram, whatsapp, etc. I think Eric (former YC partner) tried this. Good luck!
Congrats on the launch! This tool would definitely make my life easier. Does it support adding multiple emails/domains, to tackle everything at once?
Running the AI locally and keeping emails end-to-end encrypted is the right call — most people don't realize how much of their inbox ends up on third-party servers. The "learns your voice" for drafts is the feature I'm most curious about.
How long does it take for Quartz to actually learn your writing style — is it noticeable after a few replies or does it take weeks?
Our changelog for today so far
How about integrating them with office emails? Mostly office emails consist of 1000+ unread emails, which needs sorting and prioritizing. Any idea how we can integrate with office emails?
Really interesting local first approach. Just curious, which model(s) are you running locally? Also, can I define any custom categories? Like emails about credit card transactions or UPI payments?
Local-first is the right instinct for email agents. The hard part is less summarization and more trust: what can act, what only drafts, and how quickly a user can audit why something happened.
Very excited to try this out! Would that send a push notification when an email is very important so I can respond asap?
Hi! 🚀 🚀🚀
Congrats on the launch! Looking forward to seeing how this grows.
Hey folks, I'm really excited to try out some fresh email AI innovations -- most providers feel boring and don’t do what I need. Let's rock!
Hey, congrats with the launch! What's your vision on future pricing? Downloading and testing the app anyway 💪
About Quartz on Product Hunt
“AI email client built for focus. Runs locally on your Mac”
Quartz launched on Product Hunt on June 17th, 2026 and earned 180 upvotes and 43 comments, placing #4 on the daily leaderboard. Quartz turns Gmail into a focused inbox. It sorts every message by importance, and learns what matters to you over time. When you reply, it drafts in your own voice. And the AI runs entirely on your own Mac, so your mail stays end-to-end encrypted and never shared with AI providers.
Quartz was featured in Email (36.7k followers), Productivity (654k followers) and Artificial Intelligence (471.2k followers) on Product Hunt. Together, these topics include over 247.5k products, making this a competitive space to launch in.
Who hunted Quartz?
Quartz was hunted by Pavel Demeshchik. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Quartz stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Pavel Demeshchik
Hi Product Hunt!
We built Quartz because our own inboxes had become impossible to keep up with.
AI made it easier than ever to send emails at scale. We think AI should also help people defend their inboxes from that noise.
Quartz is an AI-native email app that protects your focus and helps you get through email faster. It learns your style and preferences over time, so it gets better the more you use it.
And because email is private, Quartz runs entirely on your device. Your emails are not sent to AI providers.
Excited to share it with you today. We’re currently in public beta and free to use.
We’d love to hear what you think!