Problem

Supafax addresses the productivity drain of email overload: deciding which messages matter, writing repetitive but high-context replies, and coordinating meeting times can consume hours while creating “inbox anxiety.” The company frames the opportunity as roughly two hours of email work per day, making the core economic pain the opportunity cost of professionals’ time. Its clearest use case is client or sales correspondence: a user receives a meeting or pricing request, and Supafax drafts a reply in the user’s voice, attaches the relevant material, and coordinates the calendar invitation.

Product / Service

Supafax is an AI agent delivered inside Gmail and Outlook rather than as a separate email application. After a one-click connection, it learns the user’s writing style, contacts, and priorities; it can draft replies, label and prioritize the inbox, handle meeting scheduling, answer questions about the inbox, and run custom automation rules or recurring digests described in plain English. Actions remain instruction-controlled, with the service stating that it drafts, organizes, schedules, and sends only from direct instructions. The product offers a 14-day trial without a credit card, a Professional plan listed at $35 per user per month, and custom-priced Enterprise service with integrations and security controls.

Market

Supafax competes in B2B productivity software at the intersection of AI assistants, email clients, calendar automation, and AI workflow automation. Product Hunt identifies Superhuman and Hypertype as similar products, while Supafax’s broader competitive set includes tools that help professionals write, organize, and automate email and scheduling. Its differentiation is an email-native agent that proactively manages work inside the user’s existing Gmail or Outlook workflow rather than requiring a new app.

The company appears to be at an early commercial-launch stage rather than demonstrated scale. Y Combinator lists it as an active Winter 2026 B2B productivity startup founded in 2025 with a two-person team, and Product Hunt records a June 30, 2026 launch that ranked fifth of the day with 243 points and about 300 followers. The public sources reviewed disclose pricing and launch engagement but do not report customer counts, revenue, or paid conversion, so Supafax cannot be labeled definitively pre-revenue; its publicly visible traction is currently launch-level rather than evidence of established commercial scale.