Clean your inbox at supersonic speed
Supersonic is a new way to manage your email. It is built to help you get more done, faster
Supersonic AI assistant
Install the Chrome extension to enable the AI assistant to work on top of your Gmail or Outlook
Onboard Experience
Your email inbox reveals more about you than you think. Our AI learns from your communication patterns to become your intelligent assistant
Generate perfect replies in seconds
Never struggle with email responses again. Our AI analyzes the incoming message and generates contextually appropriate replies that match your communication style, tone, and professional voice
- Contextual understanding of email threads
- Maintains your professional tone
- Chat with AI to improve your replies
Preview emails without opening
Hover over any email to see sender, subject, and preview content instantly. Take quick actions like reply, archive, or open without interrupting your workflow.
- Instant preview on hover
- See sender, subject, and content snippet
- Quick actions: reply, archive, open
Double-check before sending
Never send an email you'll regret. Our smart confirmation system gives you a moment to review before hitting send, preventing costly mistakes and awkward situations.
- Confirmation popup before sending
- Works with keyboard shortcuts (Cmd+Enter)
- Toggle on/off as needed
Refine your message with one click
Start with your initial draft, then let our AI regenerate it in your unique voice. Perfect for when you want to improve clarity, adjust tone, or make your message more impactful.
- Learns and adapts to your writing style
- Has context of your previous conversations
- Maintains your key message points
Instant thread summaries
Never lose track of long email conversations again. Our AI creates concise, actionable summaries of entire email threads, highlighting key decisions, action items, and important information.
- Extracts key decisions and action items
- Identifies important participants
- Timeline of conversation highlights
What users say
Real feedback from professionals using Supersonic daily
"Supersonic reduced my daily email time from 3 hours to just 45 minutes. The AI drafts are so accurate, I barely need to edit them anymore."
"Finally, an email client that truly understands context. It distinguishes between investor emails and customer support, prioritizing perfectly every time."
"The learning capability is incredible. After just one week, Supersonic was responding to emails almost exactly how I would personally write them."
Trusted by teams at
Supersonic flies free
Start free now, upgrade when you're ready
Economy Class
- Reply generation
- Email thread summarization
- Smart suggestions
Business Class
- Everything in Economy
- AI email search
- Integrations with other apps
Limited beta spots available. Launch pricing will be $10/month
Fly Supersonic with us
Experience the speed no one else can match. Destination: productivity.