A/B-test your phrasing and tone across email, chat, and CRM. Keyboard assistant + correspondence simulator designed for sales, support, and hiring.
ChemistryLab is a professional communication tool. It is not a dating site.
Trusted by GTM, Support, and Ops teams
Messages lose tone, run long, and it’s hard to know what phrasing will work. ChemistryLab fixes that with an assistant that writes like you—clearer, shorter, and on‑tone.
Real‑time suggestions, tone switching, and clarity checks as you type across apps.
Preview likely responses from different personas and pick the best next line.
Safely test phrasing on small samples and scale winners automatically.
Gmail/Outlook, Slack, Intercom, LinkedIn, CRM. No default access to private chats.
The keyboard suggests concise, on‑tone phrasing you can accept or tweak.
Simulator predicts reactions; A/B experiments log winners with analytics.
Neutral, Confident, Friendly, Executive—swap instantly.
Generate 3–5 variants and split‑test with one click.
Personas like busy exec, skeptical buyer, or new hire.
macOS/Windows and browser extension support.
Red‑line dictionary and brand style guardrails.
Open/reply/positive outcome tracking by phrasing.
Hello, just checking if you saw my previous email. I’d love to schedule time when you’re free.
Quick nudge: would Wednesday 10–15 min work to confirm fit? I’ll share a 2‑slide overview and next steps.
Paste a draft, pick tones, and generate variants. We’ll estimate clarity and likely reply using simple heuristics for this demo.
Run on my last 20 emails →Gmail, Outlook, Slack, Intercom, HubSpot, Pipedrive, Notion, Chrome, Edge. API & Webhooks available.
On‑device cache for suggestions. No default training on your content.
In transit and at rest. Role‑based access and domain restrictions.
SOC 2 in progress. DPA/BAA available on request.
Granular permissions per channel and project. Opt‑out logging modes.
We do not analyze or store personal dating data; ChemistryLab is for professional communication only.
+24% reply rate in 4 weeks by standardizing confident first touches.
−18% handle time and +0.3 CSAT with empathy templates.
Weekly investor updates cut from one day to two hours.
Simple monthly + usage per generation
Usage beyond plan: $2 per additional 100 generations. Annual discounts available.
Download the keyboard and browser add‑in.
Gmail or Outlook with least‑privilege scopes.
Type normally—accept, tweak, or A/B suggestions inline.
No. ChemistryLab is for professional communication such as sales, support, hiring, and founder updates. We do not support dating use cases.
Email, messengers, and the browser. macOS/Windows plus a Chrome/Edge extension.
Yes. A no‑train mode and local dictionaries are available.
English UI with multi‑tone generation for multiple languages; we’re expanding coverage gradually.
Encryption in transit/at rest, role‑based access, and SOC 2 in progress. DPA/BAA available.
Try the simulator on real messages in under two minutes.