A native macOS email client for Gmail
Mimestream combines your favorite Gmail features with the power of a native macOS app so you can move through your email effortlessly.
Requires macOS 10.15 Catalina or later. Free during beta.

Made for Mac, optimized for Gmail
As a native app written in Swift, Mimestream leverages the full power of macOS to deliver a lightning-fast and instantly familiar experience. Instead of using the IMAP protocol, Mimestream utilizes the Gmail API to enable an enhanced set of features that let you work with ease.
New! Mimestream is ready for Apple Silicon.
Work smarter, email faster
Rise above the noise and focus on the work that matters most. Mimestream makes it easy to keep your inbox organized with confidence.
Categorized Inbox
With support for Gmail’s categories, focus on what matters most and triage the rest at your leisure.
Multiple Accounts
Easily access your email across multiple accounts, without having to switch back and forth.
Label Management
Organize your email with the full power of Gmail’s labeling capabilities.



Committed to Privacy
Your data and credentials are stored only on your device, and the app only makes direct connections to Gmail. There are no intermediary servers, and Mimestream does not collect or sell your email.
Key Features
Lightweight and Fast
Mimestream is built for speed, and only uses a minimal amount of disk space to cache recent messages.
Supports Apple Silicon
Mimestream is a universal binary, ready to run natively on both Apple Silicon (M1) and Intel processor Macs.
System Notifications
Receive macOS system notifications when you receive new messages, so you never fall behind on important threads.
Aliases
Your email aliases are automatically synced from Gmail without any setup and are used for replies when appropriate.
Signatures
Signatures set up in Gmail are automatically synced with Mimestream.
Gmail Search
Enter any Gmail search query into Mimestream and get consistent results. Search while offline, too.
Swipe Gestures
Use familiar macOS swipe gestures to quickly triage and archive your email.
Tracking Prevention
Read your email privately – Mimestream blocks tracking pixels from 50+ of the most common tracking services.
Keyboard Shortcuts
Triage your email quickly using keyboard shortcuts, including the option to use familiar Gmail or Apple Mail shortcut sets.
Server-Side Filters
Easily create server-side filters for new messages to better manage your incoming email.
Coming Soon
Quick Unsubscribe
Easily unsubscribe from unwanted promotional email in 1 click.
Coming Soon
Vacation Responses
Easily configure and manage vacation responses.
Coming Soon
Join the Beta
Join the Mimestream beta and try out the app today!