AI agent for managing email replies and messages across platforms
Know which headline wins before you spend traffic on it.
Stage
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Founded
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Based in
HU
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Pricing model
Freemium
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Pricing
Grow plan: €29/month with unlimited replies, unlimited email, and connection to 5 sources
Free: $0/month with 5 rankings and 60 Claude-written options monthly. Creator: $19/month with 100 rankings and 2,500 options. Pro: $49/month with 600 rankings and 6,000 options. Agency: $149/month with 3,000 rankings and 20,000 options.
Key features
Connect Gmail and Outlook inboxes automatically
Customize reply tone with prompts
Detailed message logs and history
Automatic signature insertion
Save drafts for later editing
Generate emails from scratch
Connect up to 5 email sources
Head-to-head comparison of up to 200 variants
Bradley-Terry model ranking with calibrated odds
Honest uncertainty verdicts: Clear, Lean, Too close to call
Brand profiles to calibrate accuracy on your audience
Works for YouTube titles, subject lines, ad headlines, and article headlines
Accuracy measured on 9,841 held-out A/B tests
What makes it different
AI-generated replies customized to your style and tone preferences
One app to manage Gmail, Outlook, LinkedIn and other platforms
14-day free trial with full access to all features
Data hosted in EU with GDPR compliance
Cancel anytime with no fees
82% accuracy on clear calls, trained on thousands of real A/B tests never seen during tuning
Honest about uncertainty instead of always crowning a winner
56 times cheaper than Claude Sonnet while maintaining comparable accuracy
Custom calibration to your audience's behavior via brand profiles
Compare versions in both orders to cancel out model bias
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