Pricing
Start a conversation with NathanTwin free, no account needed. Or apply to the Circle — Nathan's curated cohort of 20 founding practitioners.
Path 1 — Try it
Chat with NathanTwin right now. No email, no credit card, no commitment. Full domain expertise, available instantly.
Path 2 — Join the Circle
20 experts. 20 twins. One network. Closed forever at 20.
Cardiologists. Regulatory strategists. Device engineers.
Reviewed by Nathan personally
"It verified that the thinking I'd already done was on the right track — and then gave me additional angles I hadn't considered. That combination of confirmation and new perspective is rare."
"ChatGPT and others do not offer specific market knowledge. NathanTwin does."
Why a twin?
Your expertise doesn't scale with your calendar. Every missed consulting hour, every knowledge gap left by turnover, every conversation that can't happen because you're not in the room — that's the cost of not having a twin.
Your time is finite. A twin handles the questions that don't require you physically present — so your calendar can hold what only you can do.
When people leave, 15 years of institutional knowledge walks out with them. A twin makes expertise durable — independent of the org chart.
You can advise one team at a time. A twin advises a hundred simultaneously — same reasoning, same depth, available 24/7 in any timezone.
Pricing & Legal Notes
NathanTwin is free with no account required. NathanTwin Pro is $99/mo. The Circle of Twins has no listed price — membership is by application only and includes NathanTwin Pro at no additional cost. Commercial launch begins when all 20 Circle seats are claimed (20/20). Enterprise pricing is disclosed only to organizations after an introductory call. Terms are subject to change with 30 days' advance notice to registered users.