| What it does | 100% free cold outreach platform with unlimited mailboxes and autonomous warmup
| Cold email platform with built-in warmup, inbox rotation, and deliverability monitoring
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| 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 plan: 200 contacts, 500 emails/month, 25 Fenn AI credits/month, unlimited email accounts, 2 warmed inboxes. Starter: $27/month billed annually ($34/month monthly), 5,000 contacts, 10,000 emails/month, 2,500 Fenn AI credits/month. Growth: $71/month billed annually ($89/month monthly), 50,000 con
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| 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
| - Connect unlimited email accounts (Growth tier and above)
- Inbox rotation and email pacing across accounts
- Deliverability monitoring with domain and inbox health
- CSV contact import with automatic column mapping
- Multi-step sequences with A/B testing
- Unified inbox with AI reply sorting
- Fenn AI co-pilot for campaign building and monitoring
- API, MCP server, SDKs, CLI and webhooks for developers
- Team workspaces and multiple team members
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| 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
| - One-time payment for lifetime access with no monthly bills or annual renewals
- All-in-one platform combining warmup, sequences, deliverability and AI in one tool
- Built by founders who run their own cold email campaigns
- 30-day money-back guarantee on all purchases
- Automatic monthly limits reset and all future plan updates included
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 1 ▼ −1 (down) since last check | 27 ▲ +1 (up) since last check |
| Trust Flow (Majestic) | 0 | 8 |
| Citation Flow (Majestic) | 17 | 29 |
| Referring domains (Majestic) | 8 | 50 |