Pick your plan
Start free or subscribe directly. Cancel anytime.
Free Trial
$0
7 days
No credit card required
Try RegKnot risk-free before you commit. Upgrade any time during the trial.
- 50 messages during trial
- Full feature access
- Upgrade or cancel anytime
Mate
$19.99
per month
For mariners with occasional compliance questions.
- 100 messages per month
- Full reg corpus (see below)
- 46 USC + WHO IHR (port health & seamen’s law)
- Vessel profile + chat history
- Cited regulation answers, not summaries
Captain
$39.99
per month
For working mariners using RegKnot daily.
- Unlimited messages
- Everything in Mate, plus:
- Priority regulation update notifications
- Audit-ready chat logs
- PSC checklist builder & sea-service letters
Powered by Stripe. Cancel anytime. 10% of every subscription supports maritime charities — see our giving page.
For crews
Wheelhouse
Vessel-anchored workspaces for rotation crews. One subscription per vessel. Shared chat, shared dossier, shared rotation handoff notes. Up to 10 seats.
Monthly
$99.99
per month, per vessel
Pay month-to-month. 30-day free trial, no card required.
- 10 crew seats
- Shared chat history & vessel dossier
- Rotation handoff notes
- Captain stays Owner; can transfer
Annual
$89.99
per month, billed $1,079.88/yr
Save $120 vs monthly
Best for vessels operating year-round. 30-day free trial, no card required.
- 10 crew seats
- Shared chat history & vessel dossier
- Rotation handoff notes
- Captain stays Owner; can transfer
Trial gives your crew full access for 30 days. Add a payment method anytime; otherwise the workspace becomes read-only on day 31 (90-day recovery window before archival).
What we know
Every reg in our index, sorted by where it comes from. Click any chip to open the source.
International conventions & references
Non-U.S. flag-state regulators
Reference & emergency