Superinbox

AI email assistant that drafts replies and organizes your inbox automatically — works inside Gmail and Outlook

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superinbox.com
Verified Free tier
Quick facts
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.

#ai-drafts#email assistant#email automation#gmail integration#inbox organization#outlook integration#productivity

Key features

What makes it stand out
01
AI drafts replies in your writing style using email history and context
02
Automatically categorizes emails to keep your inbox organized
03
Works directly inside Gmail and Outlook without switching apps
04
Calendar-integrated scheduling that pulls your free time slots
05
Enterprise-grade security with CASA Tier 2 certification

Who is Superinbox for?

Who benefits most from this tool
drafting email responses quickly
organizing cluttered inboxes
automating email categorization

Pricing

Free tier available — start without a credit card

Starter

$25.0/month
  • 2,500 emails processed
  • Organize your main inbox
  • Get drafts in your voice
  • Default email categorization
  • Block noise and cold emails
  • Calendar scheduling

Business

$40.0/month

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

Custom

Everything in Business, plus:

  • Advanced security & controls
  • Single sign-on (SSO)
  • Org-wide shared knowledge
  • 1:1 setup & onboarding
  • Priority support

Trust & presence

Domain Domain registered 2009

Gallery

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