Everything you’d expect from modern email apps, plus artificial intelligence features straight from the future.

We prioritize your emails, so you don't have to
Astro brings your Gmail and Office 365 emails into one app, on both Mac and mobile (Android coming really soon). We then use artificial intelligence to power your inbox, so you stay on top what’s most important.
Learn more about our features and privacy and security policies on our Help site.
Clean up your email with Inbox Zap
Unsubscribe from lists, archive old emails, and choose VIPs, within a minute of adding your email address.
Never miss an important message
Get reminded to follow up on important emails and respond to questions from your emails.
Ask Astrobot for help
Set a reminder, find mutual connections, or even flip a virtual coin, all with natural language.
Whether you’re striving for inbox zero or just don’t want to miss anything important, Astro can help. Customize your email experience to get through your inbox faster:

Inbox Management
Know what to focus on with a separate inbox, powered by AI, for only your most important emails.
If you want to read or respond to an email later, snooze it for a specific time.
Snooze an email on your phone, get reminded when you’re back at your desk.
Get reminded to unsubscribe from emails you never read.
When an email chain isn’t relevant, mute it to stop notifications.
Get notified about important emails only to eliminate distractions.
Organize and categorize any way you want, compatible with Gmail or Office 365 folders.
Work, personal, Gmail, and Office 365 emails all in one app.
Star emails and see favorites from Gmail or Office 365.
Astrobot
Astrobot makes you less forgetful. Set reminders quickly using natural language.
Astrobot reminds you of questions from your emails, so nothing important gets lost.
Astrobot learns how you treat emails, and prompts you about emails you can get rid of.
Compose & Send
Write a message now and schedule it to be sent at exactly the right time.
Know what happens after you hit send. Get notified when someone opens your email.
Astro lets you know when you haven’t heard back about important emails.
Astro meets all of your formatting and emoji needs. 🚀
Add files from Dropbox, Box, Google Drive, Quip, iCloud, or your computer.
Customize and add signatures for each email account in Astro.
Modern Experience
Swipe to Snooze, Archive, Delete, or Favorite messages on mobile and desktop.
Navigate with keyboard shortcuts to manage your inbox in record time.
Manage your inbox from your Macbook Pro’s Touch Bar.
Connected


"In the Age of AI, is Inbox Zero the right focus?"
AI will put an end to inbox overload. Learn more in our Medium post.
If your macOS download didn’t start, please click here.
Astro requires macOS versions 10.11 or later.
By downloading our app, you agree to Astro’s Terms of Use.