Email tool comparison
ForthWrite vs Lavender
Email coaching that scores your drafts. Drafting is still on you.Here's where each tool wins, and where the depth-on-voice differentiator actually matters.
ForthWrite
A writing platform for people who care how their email reads. Voice matching on every tier; closed-loop edit supervision on Standard+; auto-draft, batch, and Prompt Lab on Pro. 9-provider BYOK.
Where we win
- Closed-loop edit supervision (compare drafts to what you sent)
- Measurable improvement curve on the dashboard
- 9-provider BYOK on Standard and Pro
- Standalone web compose surface in the browser
- Free tier includes voice matching (not just basic drafting)
Pricing: Standard $18/mo, Pro $36/mo. BYOK saves ~17%.
Best for: Professionals who want their email to keep sounding like them - and want to see the improvement curve.
Lavender
AI email coaching tool that grades your cold outreach as you type, with personalization signals from LinkedIn and engagement data.
Where they win
- Real-time email score (0-100) as you write, with specific improvement suggestions
- LinkedIn and contact data integration for personalizing cold outreach
- Strong sales-email coaching: subject line analysis, reading level, length flags
- Widely adopted in B2B sales teams; integrates with most CRMs and sequencing tools
- Teaches you to write better emails over time through explicit feedback
What they don't do (or charge extra for)
- Coaches you to improve drafts you wrote; does not generate the draft for you
- Primarily designed for cold outreach and sales sequences, not all-inbox email
- No voice learning or closed-loop improvement system
- Scoring is heuristic-based, not learned from your specific sent history
Pricing: Free (5 emails/mo coaching), Starter ~$29/mo, Pro ~$49/mo, Teams pricing varies (as of 2026).
Best for: Sales reps who want real-time coaching on cold outreach they wrote themselves, with LinkedIn personalization signals baked in.
Head-to-head
The product-behavior comparison, not the marketing-page comparison.
Lavender wins this row. If you need a score, use Lavender.
A genuine Lavender strength for cold outreach.
ForthWrite writes the draft in your voice. Lavender coaches the draft you already wrote.
Lavender and ForthWrite are doing different jobs. Lavender is a writing coach: you write the email, Lavender scores it and tells you what to fix. ForthWrite is a drafting engine: it writes the email in your voice so there is less to fix. That is a workflow difference, not a quality difference, and the right tool depends on whether you prefer coaching or delegation.
The overlap is real-time email quality. Where Lavender applies cold-outreach heuristics (word count, reading level, subject line score), ForthWrite applies your own sent-email history as the benchmark. Both aim at a better draft; they just define "better" differently. Lavender's definition is "likely to get a reply from a cold prospect." ForthWrite's definition is "sounds like you wrote it on a good day."
For sales reps who send a lot of cold outreach, the tools can coexist: ForthWrite writes the first draft in your voice, Lavender scores and refines it before send. For reps who spend most of their email time on follow-ups, proposals, and internal communication, ForthWrite's all-inbox coverage is more relevant than Lavender's cold-outreach focus.
See the improvement curve for yourself
Free tier includes voice matching. No credit card, no API key. Compare your first ForthWrite draft to your first Lavender draft and decide for yourself.