Cold email that
ships replies.
Multi-inbox rotation, AI-scored copy, warmup engine, real analytics - in one tool you fully control. Built for founders who refuse to pay $300/mo for a glorified send button.
Everything you need.
Nothing you don't.
Multi-inbox rotation
Connect unlimited Gmail, Outlook, or any SMTP mailbox. Built-in Shuffle Bag load balancer keeps every inbox under its daily cap automatically.
A/B variants, native
Test subject lines and bodies at the step level. Variants persist; the engine picks per-send. No external tooling.
AI Sequence Analyzer
Powered by Claude Sonnet 4.5. Score subject, hook, body, CTA, spam risk, personalization. Get instant rewrites.
DNS health checker
SPF, DKIM, DMARC scored at the click of a button. Fix deliverability problems before Gmail throttles you.
Warmup engine
Automatic inbox-to-inbox warmup with a 4-week ramp. Builds reputation while you focus on copy.
Real analytics
Live opens, clicks, replies, bounces with per-step funnels. Stop guessing why nobody answers.
Three steps. Then send.
Connect
Drop in a Gmail App Password or OAuth your Workspace mailbox. 30 seconds.
Compose
Build a multi-step sequence with variables, A/B variants, and AI rewrites.
Ship
Upload your lead CSV. We rotate inboxes, jitter timing, and track everything.
One plan. Everything in.
- Unlimited inboxes (Gmail / Outlook / SMTP)
- Unlimited campaigns & leads
- AI Sequence Analyzer (Claude Sonnet 4.5)
- Multi-inbox Shuffle Bag rotation
- Warmup engine + DNS health checker
- A/B variants & live analytics
- Full PDF audit exports