# Underfive

**Source:** https://www.startuphub.ai/startups/underfive
**Profile type:** Startup

> Underfive provides AI inbox agents and a unified inbox to automate lead communication, respond to replies, and book meetings for sales teams.

## About

Underfive builds AI inbox agents that answer every outbound reply in under 5 minutes and book meetings. The platform centralizes replies from various outbound tools into a single unified inbox, allowing AI agents to engage leads instantly with intelligent, context-aware responses, follow up, and schedule meetings. It integrates with CRMs to maintain a comprehensive record of all interactions and outcomes, aiming to streamline lead management for sales teams and lead generation agencies.

## Key facts

- **Slug:** underfive
- **Website:** https://underfive.ai
- **Founded:** 2025-01-01
- **Employees:** 3
- **Operating status:** Active
- **Sectors / tags:** AI Agent, Conversational AI, Sales Automation, Lead Generation, CRM Integration
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/underfive-ai

## Pricing

| Plan | Price | Includes |
| --- | --- | --- |
| Professional | $60 / month | 200 credits per month, Books about 14 meetings a month, Covers about 7k emails or 1.4k LinkedIn messages |
| Growth | $150 / month | 500 credits per month, Books about 35 meetings a month, Covers about 17k emails or 3.5k LinkedIn messages |
| Business | $250 / month | 1,000 credits per month, Books about 70 meetings a month, Covers about 35k emails or 7k LinkedIn messages |
| Agency | $500 / month | 2,500 credits per month, Books about 175 meetings a month, Covers about 100k emails or 17k LinkedIn messages |

Billed monthly, annual option saves 20 percent. 50 free credits to start with no card needed. Credits: 0.5 to read and classify a reply, 1 to draft a response.

Plans as published by Underfive, checked November 2026.

## StartupHub.ai scores

- **Ahrefs DR:** 19/100
- **Agent Readiness:** A (80/100)
- **Site Speed:** 95/100
- **Data Trust:** 79/100

## Tech stack

Detected on underfive.ai, last scanned 2026-11-04.

- **Frontend:** Astro, Tailwind CSS, Bootstrap
- **Analytics:** Microsoft Clarity, LinkedIn Insight Tag
- **Support:** Intercom
- **CMS / Builders:** Lovable
- **CDN:** Cloudflare
- **Email provider:** Google Workspace
- **Visitor tracking:** reb2b

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