The AI email assistant that works inside Gmail and Outlook.
SuprBox auto-organises your emails and writes replies in your voice. You review, tap send, and move on.
Get started with
Re: Pricing for 40 seats - Hey, circling back on the team tier…
Notes from sync with Maya - 3 action items captured…
Reply to Sam - security questionnaire - "Hey Sam, looping you in…"
Q2 update + cap table request - Quick ask before Thursday…
Trusted by operators at
SuprBox lives quietly inside Gmail and Outlook - sorting, drafting, summarising - so the inbox stops eating your day.
Every email auto-bucketed into To respond, Meetings, FYI, and Newsletter. You open Gmail to a clean inbox.
SuprBox reads the thread, your past replies, and writes a send-ready draft in your tone. Edit one line and ship.
Action items extracted from every call. Drafted, attached to the right thread, ready to send.
Ask anything in plain English. Get the answer with citations - not ten links to skim.
Chrome extension. Two-click install. Multiple accounts. No new app to learn.
Encrypted in transit and at rest. Never used to train models. SOC 2 underway.
Connect your email
One-click Gmail or Outlook connect. SuprBox starts learning your inbox instantly.
Connect your calendar
Sync your calendar so SuprBox knows your schedule and when replies can wait.
Auto-tag your inbox
SuprBox auto-tags every email—To respond, FYI, Marketing, Meetings—so your inbox stays organized.
Drafts ready to send
For every email needing a reply, SuprBox drafts it in your voice. Review, tweak, send.
Two minutes to install. Ten seconds per email. Every reply in your real voice - from now until forever.
Common questions about Outlook setup, voice data privacy, pricing tiers, team onboarding, and more.