underfive

    Responds under 5 minutes

    The Smartest Way to Manage Cold Email Replies

    Underfive plugs into Smartlead and Instantly to reply like a human, follow up on time, and book meetings for you.

    No credit card required. We'll keep you updated on our progress.

    AI Auto-Response

    Custom AI responses based on client knowledge base to handle objections and queries.

    Multi-Client Inboxes

    Manage multiple inbox managers with client-specific tags, triggers and response styles.

    5-Minute Engagement

    Instant lead engagement within 5 minutes to boost conversion rates and sales.

    How It Works

    From lead capture to conversion, our platform manages every step of the communication process

    1. Receive inquiries

    Incoming leads from SmartLead are automatically routed to the right inbox manager

    2. AI response generation

    Our AI analyzes the inquiry and creates a personalized response based on your knowledge base

    3. Convert leads

    Schedule meetings, answer questions, and nurture leads until they're ready to buy

    Why Choose Underfive

    Our platform delivers real business results through AI-powered automation

    Save 20+ hours per week

    Automate email responses and follow-ups that would otherwise take hours of manual work

    Increase response rate by 80%

    Engage leads within 5 minutes of their inquiry, when they're most interested

    Book 2x more meetings

    Convert more leads to booked meetings with automatic scheduling links and follow-ups

    30% higher conversion rates

    Turn more leads into customers with personalized, instant responses

    Trusted by Growing Businesses

    See what our customers are saying about Underfive

    "We've cut our response time from hours to minutes. The AI responses are so good our leads can't tell they're automated."

    Sarah Johnson

    Marketing Director, TechFlow

    "Our team was spending hours each day on email management. Underfive handles it all automatically, letting us focus on closing deals."

    Michael Chen

    Sales Director, GrowthBox

    "The SmartLead integration is seamless. We've increased our meeting bookings by 40% since implementing Underfive."

    Jessica Taylor

    CEO, LaunchPad Agency

    Frequently Asked Questions

    Got questions? We've got answers

    How does the SmartLead integration work?

    Underfive connects directly to your SmartLead account via API. When leads respond to your campaigns, Underfive automatically engages them with AI-powered responses.

    Can I customize the AI responses?

    Absolutely! You can customize the tone, length, and style of responses. You can also create a knowledge base with specific information about your products and services.

    What happens if the AI can't answer a question?

    You can set up escalation rules to notify your team when the AI encounters a complex question. You can also review all AI responses before they're sent.

    Do I need technical skills to set this up?

    No technical skills required! Our interface is user-friendly and our team can help with the initial setup. Most customers are up and running within a day.

    Can I manage multiple clients?

    Yes! With our Professional and Enterprise plans, you can manage multiple clients with separate inboxes, knowledge bases, and response styles.

    How can I get early access?

    We're launching next month and offering exclusive heavy discounts to our early users. Sign up now to be among the first to experience Underfive and get priority access at a significantly reduced rate.

    Harvard Study Insight

    Boost Conversions by 900%

    A Harvard study revealed that responding to leads within 5 minutes can dramatically increase your conversion rates. With Underfive, you'll never miss an opportunity to engage potential customers instantly.

    Latest from our Blog

    Insights and resources to help you optimize your sales process and inbox management.

    Ready to Automate Your Inbox Management?

    Start responding to your leads within 5 minutes using AI-powered automation and SmartLead webhooks.

    No credit card required. Limited spots available.