Upload anything. Ask anything. Bosun keeps learning your boat.
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Two weeks free, then one plan with everything unlocked.
Get to know Bosun
No card, no payment details. Ends after 14 days, 2,000 pages or 100 questions, whichever comes first.
Start freeNo card · Full access · Nothing to cancel
For your boat and its papers
Billed monthly in USD. Cancel anytime.
Get Marine+Starts with the free two weeks
Billed monthly in USD. No annual plan. Cancel anytime before your subscription renews and you won't be charged again.
Bosun is the assistant inside BosunMarine. You upload everything you have about your boat. Bosun takes it in, sorts it and builds a record of what's aboard, then answers your questions in plain language, showing the page each answer came from. It keeps learning from every page you upload, every question you ask and everything you tell it.
All of it: owner's manual, engine and generator manuals, spec sheets, survey. Drop in the whole folder. Bosun asks you only where your papers disagree or something is missing.
Yes. For 14 days you use the whole app with no card and no payment details, so there is nothing to cancel. It covers up to 2,000 pages and 100 questions, whichever comes first. After that it's US$5.99 a month if you choose to subscribe.
Yes, anytime. Cancel before your subscription renews and you won't be charged again.
Two weeks free with the whole app, no card and nothing to cancel. Then pick the plan that fits how much you use Bosun.
Keep your account in the off season without paying for the full subscription. See your manuals, boat record and chats, and download everything. Wake your boat with one tap.
Billed monthly in USD. No annual plan. Cancel anytime before your plan renews and you won't be charged again.
Bosun is the assistant inside BosunMarine. You upload everything you have about your boat. Bosun takes it in, sorts it and builds a record of what's aboard, then answers your questions in plain language, showing the page each answer came from. It keeps learning from every page you upload, every question you ask and everything you tell it.
Questions, voice calls and reading your papers all come out of one monthly amount, shown as a bar. Long, in-depth answers, calls and big reads use more. Before a read, Bosun tells you how much of your month it will use.
Upgrade, or add extra usage for $5, $10 or $15. Your bar also starts again at the start of each month.
Yes. For 14 days you use the whole app with no card and no payment details, so there is nothing to cancel.
Yes, anytime. Cancel before your plan renews and you won't be charged again. If you're only away for the season, Hibernate keeps your boat for $2.99 a month.
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