Letterbook vs Warmly

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Letterbook

See full pricing history

USD · US · source: www.letterbook.ai

Plan	Pricing	Charged by	Offer type
Starter — default	USD 50 monthly · USD 50 / month with annual commitment $50 per month	Flat · per month	Standalone · Fixed
Growth — default Highlighted	USD 200 monthly · USD 200 / month with annual commitment $200 per month	Flat · per month	Standalone · Fixed
Enterprise — default	Contact sales Let's talk per month	Flat · per month	Standalone · Contact sales

Warmly

See full pricing history

USD · US · source: www.warmly.ai

Plan	Pricing	Charged by	Offer type
AI Web-Deanonymization	USD 1625 monthly · USD 833.33 / month with annual commitment AI Web-Deanonymization — $4875/quarter or starting at $10000/year; from 10K credits/month	Usage · from 10K credits/month; quarterly and annual commitments, normalized per month	Standalone · Starting at
Inbound Chat	USD 2166.67 monthly · USD 1666.67 / month with annual commitment Inbound Chat — $6500/quarter or starting at $20000/year; from 10K credits/month	Usage · from 10K credits/month; quarterly and annual commitments, normalized per month	Standalone · Starting at
AI Inbound Autopilot Highlighted	USD 3250 monthly · USD 2500 / month with annual commitment AI Inbound Autopilot — $9750/quarter or starting at $30000/year; from 10K credits/month	Usage · from 10K credits/month; quarterly and annual commitments, normalized per month	Standalone · Starting at

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Letterbook

Starter — default

Highlights Seats: 3 seats

Included
Highlights Tickets per month: 300 tickets / month

Included
Highlights Integrations: Integrate your database & Stripe

Included
Highlights Inbox: Unified inbox for all your channels

Included

Growth — default

Highlights Seats: 10 seats

Included
Highlights Tickets per month: 1,000 tickets / month

Included
Highlights Channels and integrations: All channels and integrations

Included
Highlights Support: Priority support

Included

Enterprise — default

Highlights Seats: Custom seats

Included
Highlights Tickets per month: 3,000+ tickets / month

Included
Highlights Security: SSO & SAML

Included
Highlights Account management: Dedicated account manager

Included

Warmly

AI Web-Deanonymization

Plan card Plan focus: See who's on your site

Included
Plan card Credits: From 10K/month

Limited
Plan card Website visitors: Contacts + companies

Included
Plan card ICP filtering: Included
Plan card Real-time alerts: Included
Plan card Slack alerts: Included
Plan card Lead routing: Included
Plan card CRM sync: Included
Plan card SEP / Webhook integrations: Included
Plan card Retarget via email, LinkedIn, and ads: Included

Inbound Chat

Plan card Plan focus: Catch live visitors

Included
Plan card Credits: From 10K/month

Limited
Plan card Website visitors: Contacts + companies

Included
Plan card ICP filtering: Included
Plan card Real-time alerts: Included
Plan card Slack alerts: Included
Plan card Lead routing: Included
Plan card CRM sync: Included
Plan card SEP / Webhook integrations: Included
Plan card Retarget via email, LinkedIn, and ads: Included
Plan card AI Chatbot: 1 AI Studio Agent

Included
Plan card Warm Calling: Live chat

Included
Plan card Warm Offers: Included
Plan card Chat metrics: Included
Plan card Automated email follow-up: Included

AI Inbound Autopilot

Plan card Plan focus: Inbound that runs itself

Included
Plan card Credits: From 10K/month

Limited
Plan card Website visitors: Contacts + companies

Included
Plan card ICP filtering: Included
Plan card Real-time alerts: Included
Plan card Slack alerts: Included
Plan card Lead routing: Included
Plan card CRM sync: Included
Plan card SEP / Webhook integrations: Included
Plan card Retarget via email, LinkedIn, and ads: Included
Plan card AI Chatbot: 1 AI Studio Agent

Included
Plan card Warm Calling: Live chat

Included
Plan card Warm Offers: Included
Plan card Chat metrics: Included
Plan card Automated email follow-up: Included
Plan card AI Studio Agents and Autopilot Agent: Unlimited AI Studio Agents

Included
Plan card AI goal-setting, qualification, and decision-making: Included
Plan card AI slide generation: Mini-demo

Included
Plan card AI-written chat follow-up: Included
Plan card Auto email generation and follow-up: Included
Plan card Auto-learn and improve AI chat: Included

How their prices changed

Each date shows when a public price was observed, not when it took effect. An archived region or currency can differ, so a currency change is not necessarily a price increase.

Letterbook

August 27, 2026
Official pricing page
- Starter — default: USD 50 monthly · USD 50 / month with annual commitment
- Growth — default: USD 200 monthly · USD 200 / month with annual commitment
- Enterprise — default: Contact sales

Warmly

August 29, 2026
Official pricing page
- AI Web-Deanonymization: USD 1625 monthly · USD 833.33 / month with annual commitment
- Inbound Chat: USD 2166.67 monthly · USD 1666.67 / month with annual commitment
- AI Inbound Autopilot: USD 3250 monthly · USD 2500 / month with annual commitment