Superinbox
AI email assistant that drafts replies and organizes your inbox automatically — works inside Gmail and Outlook
| What is it | AI email assistant that drafts replies and organizes your inbox automatically — works inside Gmail and Outlook |
|---|---|
| Pricing | Freemium — from $25/mo |
| Free tier | Yes |
| Platform | Web Application |
| Best for | drafting email responses quickly, organizing cluttered inboxes |
| Domain registered | 2009 |
Data updated Aug. 1, 2026
What does Superinbox do?
Superinbox is an AI-powered email assistant that works directly within your existing Gmail or Outlook inbox. It automatically drafts email replies in your personal writing style and organizes incoming messages into categories, all without requiring you to switch to a separate application. The tool analyzes your email history and context to create coherent, tone-appropriate responses that sound like you wrote them.
What sets Superinbox apart is its deep integration with your existing workflow. It doesn't require any new apps or complicated setup—it works right inside your current email client. The AI learns from your writing patterns and incorporates calendar availability to suggest meeting times, eliminating scheduling back-and-forth. The system is enterprise-ready with CASA Tier 2 certification and partnerships with Google and Microsoft, ensuring your data remains secure and processed in real-time without storage.
Busy professionals and executives who handle high email volumes will benefit most from Superinbox. It's particularly useful for managers, CEOs, and teams that need to maintain organized communication while saving time on routine email tasks. The tool promises to save users approximately one hour daily by automating reply drafting and inbox organization, making it ideal for anyone looking to streamline their email management without changing their existing email platform.
Key features
What makes it stand outWho is Superinbox for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardStarter
- 2,500 emails processed
- Organize your main inbox
- Get drafts in your voice
- Default email categorization
- Block noise and cold emails
- Calendar scheduling
Business
Everything in Starter, plus:
- 6,000 emails processed
- Organize a second inbox
- Customize your labels / folders
- Add your PDF context
- Benefit advanced AI models
Enterprise
Everything in Business, plus:
- Advanced security & controls
- Single sign-on (SSO)
- Org-wide shared knowledge
- 1:1 setup & onboarding
- Priority support
Trust & presence
Gallery
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