Email management 2026 Rank: #1634

Quartz ✓

Email that knows what deserves your attention.

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More categories (4)

Verdict

A quick read before you dig into the full page.

Best if
Email that knows what deserves your attention
Skip if
Learning curve for preferences
Pick this when
MAC, iOS, Gmail specific

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Overview

Quartz is an AI-native email application designed to assist users in managing their inbox efficiently. It features importance-based auto-categorization of emails, learned by the tool over time based on individual user preferences.

Quartz allows critical emails more visibility while making routine items easily scannable and minimizing distractions by tucking away noisy emails. It employs machine learning algorithms to sort the inbox and to draft replies that mimic the user's writing style, sense of warmth, and relationship with the sender, right on the user's device.

Privacy is a key focus area for Quartz, which does not upload any data to the cloud -- all the processing happens locally on the user's Mac, iPhone, or iPad.

Furthermore, there are no servers used, ensuring that neither Quartz nor anyone else can read the user's emails. It also supports end-to-end encryption with keys held only by the user.

Quartz is currently in private beta on Mac and iOS.

Quartz website

Access & connections

Where you can use Quartz.

Platforms

Capabilities

What this tool accepts, produces, and is strongest at.

Input

  • Text

Output

  • Text

Highlights

  • Local
  • Waitlist

Supported features

  • Email
  • Automation
  • Writing
  • Memory
  • Runs Locally
  • Mobile Companion

Pros & cons

Pros

  • MAC, iOS, Gmail specific
  • Automates mundane tasks
  • Sorts relevant emails
  • Reduces noise and clutter
  • Drafts adhere to user's style
  • Personalized email experience
  • Contextual email drafting
  • Privacy and security focus
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  • Local device processing
  • No data upload
  • End-to-end encryption
  • User-held encryption keys
  • No server requirement
  • Auto-categorises messages
  • Prominence to critical emails
  • Routine emails remain scannable
  • Waitlist access
  • Individual user preference learning
  • Minimizes distractions
  • Filters noisy emails
  • iOS and Mac compatible
  • No cloud storage
  • Beta version available
  • Assists in inbox management
  • Importance-based email categorization
  • Hides noisy emails
  • Does not share emails
  • Learned user interface
  • Encrypts emails on device
  • Mimics user's writing style
  • Drafts come in user's cadence
  • Phrases emails like user
  • Maintains user's level of warmth
  • Detects relationship with sender

Cons

  • Exclusive to Mac, iOS
  • In private beta
  • Lack of server support
  • No cloud data storage
  • Learning curve for preferences
  • Depend on device performance
  • May imprecise contextual understanding
  • Limited accessibility
Show 2 more
  • No Android support
  • Reliance on local encryption

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Releases 1

Initial release May 13, 2026 Current
Initial release of Quartz.

FAQ 12

What is the main objective of Quartz?
Quartz's main objective is to provide users with an AI-driven email experience which emphasizes on automating mundane tasks and enhancing productivity.
How does Quartz improve email productivity?
Quartz improves email productivity by discerning relevant and important emails, reducing noise and clutter, and automating mundane tasks. It also drafts emails that adhere to the user's writing style for greater personalization, and automatically categorizes each message based on the user-defined importance.
Does Quartz actually draft my emails?
Yes, Quartz drafts your emails. The AI capabilities of Quartz are designed to draft emails that closely adhere to your writing style, taking into consideration the context of each email thread and your relationship with the sender.
How does Quartz learn my writing style?
Quartz learns your writing style through the use of AI. It picks up the context of each email thread, your relationship with the sender, and produces drafts in your cadence, phrasing, and level of warmth.
Can Quartz work on any device or just Mac and iPhone?
Quartz works on MAC, iPhone, iPad and is compatible with Gmail. It doesn't work on any other devices.
Does Quartz take into account my relationship with the sender while drafting an email?
Yes, Quartz takes into account your relationship with the sender while drafting an email. It understands the context of the email thread and your relationship with the sender to produce drafts.
What security measures does Quartz have to protect my emails?
Quartz protects your emails by encrypting them on your device with keys that only you hold. It processes your information locally on your device rather than in the cloud, thus reducing the risk of compromising your email privacy.
Does Quartz upload any of my data to the cloud?
No, Quartz does not upload any of your data to the cloud. It performs all processing locally on your device, ensuring your data remains private and secure.
Where does Quartz process its computations?
Quartz processes all its computations locally on your device. This means that it doesn't rely on cloud computations, ensuring greater privacy and security.
Does Quartz automatically categorize my emails?
Yes, Quartz automatically categorizes your emails based on the defined importance. Critical emails are given prominence while routine ones remain scannable.
Why is Quartz currently in private beta?
Quartz is currently in private beta to refine and test the product before its full release. This allows the developers to make necessary changes and improvements based on user feedback.
How can I gain access to Quartz?
You can gain access to Quartz by joining a waitlist. They send invitations in small batches.
Quartz