Cold email open rates average 15-25%. A bad subject line wastes entire outreach campaigns. There's no quick way to test subject lines before hitting send — you only learn after burning through your prospect list.
AI-powered subject line scorer that predicts open rates, suggests improvements, and lets you A/B compare multiple variants. Trained on cold email data specifically, not marketing newsletters.
Sales teams, cold email agencies, and growth marketers who send 500+ cold emails per week and need to maximize open rates
Cold email is the #1 B2B outreach channel. AI can now predict open rates with 80%+ accuracy. Sales teams are sending more volume, making pre-send optimization critical.
Freemium: Free (5 tests/day), $19/mo Pro (unlimited tests, Chrome extension), $49/mo Team (shared workspace, API). Low churn — becomes part of daily workflow.
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