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Overall score
3.2/ 5
SME Fit5/5
flat pricing + freemium
JTBD3/5
moderate JTBD clarity
Integration1/5
2 named integrations only
Trust3/5
growing, founded 2020
Quality4/5
4.5 on ProductHunt (50 reviews)
Compliance3/5
GDPR
About
Twain is an AI email coach that reviews and rewrites cold emails in real time, flagging weak openers, fluff, and ineffective CTAs. Lightweight tool that integrates as a Chrome extension or web app.
Best for: SDRs and founders learning how to write better cold emails.
Pricing
| Tier | Monthly | Annual /mo | Billing | Notes |
|---|---|---|---|---|
| Free | — | Free | flat | Limited reviews;basic suggestions |
| Pro | $19 | $15 | per_user | Unlimited reviews;full rewrite features |
Key features
- AI email review
- Rewrite suggestions
- Weak phrase detection
- Chrome extension
Integrations
ChromeGmail
Trust & compliance
- Founded
- 2020
- Status
- active
- SOC 2
- unknown
- GDPR
- yes
- Data residency
- eu
- External rating
- 4.5 on ProductHunt (50 reviews)
- Last verified
- May 2026