100% free cold outreach platform with unlimited mailboxes and autonomous warmup
AI cold emailing platform for running B2B outreach campaigns, automating follow-ups, and managing replies from one workspace
Stage
Not given
Established
Founded
Not given
2020
Based in
Not given
Not given
Pricing model
Free
Freemium
Pricing
Free forever with unlimited inboxes, sequences, warmup, and unified inbox. Optional paid add-ons planned for premium B2B lead data and dedicated private IP pools.
Free Trial: $0 (500 lead contacts, 300 emails total). Starter: $39/month or $374.40/year (20% discount) - 30,000 lead contacts, 20,000 emails/month. Growth: $79/month or $758.40/year (20% discount) - 200,000 lead contacts, 125,000 emails/month. Scale: $349/month or $3,350.40/year (20% discount) - 60
Key features
Unlimited connected mailboxes across Google Workspace, Microsoft 365, and private SMTP
Autonomous peer-to-peer email warmup included at zero cost
Multi-step automated cold email sequences
Unified master inbox (Unibox) for all connected mailboxes
Dynamic spintax personalization for email templates
Automated mailbox rotation across connected accounts
Spam folder rescue for warmup emails
Enterprise analytics engine and reporting
Support for unlimited contact uploads
Multi-step email sequences with custom delays
AI-powered email personalization
Unified inbox for all replies
CSV lead import with duplicate handling
Mailbox warmup with health monitoring
CRM pipeline management
Campaign analytics and reporting
OpenAI and Claude API integration
Workflow automations and integrations
What makes it different
Unlimited mailbox connections without per-mailbox tiers or paywalls
AI-powered thread replies integrated into warmup process
Bring your own domains and leads model reduces dependency
14-day gradual warmup ramp with automated sender reputation building
All-in-one workspace for outbound without switching between multiple tools
Automatic follow-up sequences that stop when prospects reply
AI personalization that users review before sending
Built on years of hands-on outbound operations experience
No shared mailbox pool - users bring their own email accounts