We make Wheelhouse Prep. This is our own comparison, not an independent review. Every competitor fact comes from that provider's own website, linked under Sources.
Mariners preparing for a Coast Guard credential usually choose between a Coast Guard-approved course, which lets you test at the school, and studying for the exam at a Regional Exam Center. This page sets Wheelhouse Prep beside the options people most often consider, using each provider's own published prices and features, and says plainly where each one is the better choice.
Prices and features checked 11 October 2026 on each provider's own website.
| Wheelhouse Prep | Mariners Learning System | Sea School | Maritime Professional Training (MPT) | LAPWARE | NMC sample exams (free) | |
|---|---|---|---|---|---|---|
| Price | $29 once, all 47 credentials | $695 (OUPV online course and exam) | From $600 (online OUPV) | Not published | $150 for the first 31 days (includes a $50 setup fee), then $100 per 31 days | Free |
| Access | Lifetime, up to 3 devices | 12 months | 12 months (online) | About 11 days in person, Fort Lauderdale | 31 days per purchase | PDF downloads |
| Free to try | A quarter of every credential's questions, no sign-up | 24-hour free trial | Not stated | Not stated | Demo available | Yes |
| Question bank | 6,559 questions, all from the National Maritime Center's published sample exams, with written explanations | Not stated | Not stated | Not stated | The NMC exam question pool with solutions (no count) | Sample exams by module (50 questions in the Q400 sample we checked) |
| Teaching | None: practice questions with written explanations | Video, audio and eBook lessons; offline mobile app | Self-paced online, or in-person classes | Classroom | Worked solutions for calculation questions | None: answer key only in the sample we checked |
| Coast Guard-approved course | No: you test at a Coast Guard Regional Exam Center | Yes: online course and proctored final, no Coast Guard testing centre | Yes: in-person course completion replaces the Coast Guard exam | Yes: written exams taken at MPT, not the Coast Guard | No | No |
| Guarantee or refund | Full refund within 14 days | Pass guarantee (terms not stated on the page) | Pass guarantee and free retake listed (terms not stated) | No formal guarantee | Not stated | Not stated |
Swipe sideways on a phone to see every column.
Stronger than Wheelhouse Prep on: a Coast Guard-approved course with an online proctored final, video, audio and eBook teaching, chart plotting materials, and a pass guarantee.
Where Wheelhouse Prep is stronger: $29 for all 47 credentials against $695 for OUPV alone, and lifetime access against 12 months.
Stronger than Wheelhouse Prep on: a Coast Guard-approved course with classroom or online teaching, exams with a remote proctor or at its locations, and a pass guarantee.
Where Wheelhouse Prep is stronger: $29 for all 47 credentials against from $600 for OUPV, and lifetime access against 12 months.
Stronger than Wheelhouse Prep on: live classroom teaching and testing at the school instead of at the Coast Guard.
Where Wheelhouse Prep is stronger: online and self-paced at $29, with no travel or days off work.
Stronger than Wheelhouse Prep on: worked mathematical solutions and built-in diagrams for calculation questions, and instructor tools for schools.
Where Wheelhouse Prep is stronger: $29 once with lifetime access against $150 for the first 31 days and $100 for each 31 days after.
Stronger than Wheelhouse Prep on: free and official: they are the Coast Guard's own sample examinations.
Where Wheelhouse Prep is stronger: Wheelhouse's questions come from these samples, organised by credential and module, with written explanations, revision mode and timed exams.
A quarter of every credential's questions are free, with written explanations, and no sign-up. If it suits you, the full bank is $29 once for all 47 credentials.
Coast Guard-approved courses let you take the final exam at the school or online instead of at a Regional Exam Center: Mariners Learning System, Sea School and Maritime Professional Training all say so on their sites. Wheelhouse is a practice bank for candidates testing at a Regional Exam Center.
The National Maritime Center publishes sample exams free as PDFs. Wheelhouse turns them into interactive practice with written explanations: a quarter of each credential is free, and the full bank is $29 once for all 47 credentials.
On the pages we checked, Mariners Learning System and Sea School's online course advertise a pass guarantee (terms not stated on the page). Wheelhouse offers a full refund within 14 days.
Every competitor fact was checked on the provider's own website on the date shown under Sources, and we re-check at least every four months. Confirm prices and schedules on the provider's site before you buy.
Every competitor fact on this page comes from that provider's own website, on the pages listed under Sources, on the date shown. Prices change and vary by state; check the provider's site before you buy. Wheelhouse Prep is not affiliated with any provider named here; their names and trademarks belong to their owners. Spotted something out of date? Email [email protected] and we will correct it.