# Yachtmaster Theory Prep — Coastal & Offshore

> Coastal & Offshore (iPhone/iPad app by MD Shahariar Nazim Joy.)

- Source: https://appshunter.io/ios/app/yachtmaster-theory-prep/id6793379825 (this page in markdown: same URL + `.md`)
- Developer: [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English
- Released: 2026-08-04
- Data updated: 2026-08-05
- User reviews in markdown: https://appshunter.io/ios/app/yachtmaster-theory-prep/id6793379825/reviews.md

## What is Yachtmaster Theory Prep?

Yachtmaster Theory Prep is an unofficial exam-prep app for Coastal Skipper and Yachtmaster Offshore shorebased theory — advanced chartwork, tidal calculations, meteorology, IRPCS/COLREGS, passage planning, electronic navigation, and safety procedures.

IMPORTANT: Full access requires an In-App Purchase (auto-renewable subscription or lifetime). The download is free; practice content unlocks after purchase. Restore Purchases is always available on the paywall and in Settings.

WHAT YOU GET
• 2,000+ original multiple-choice questions across Yachtmaster theory topics
• Chartwork & navigation, tides & tidal streams, meteorology, IRPCS/COLREGS, passage planning, electronic navigation, pilotage, and safety & emergency
• Timed paper-style mocks (40 questions · 60 minutes · 70% pass mark style practice)
• Quick practice, practice-by-topic, weak-area drills
• Tidal height, secondary port, course-to-steer, and DST calculators with worked examples
• Review incorrect answers and bookmarks
• Flashcards with spaced repetition
• Progress dashboard: readiness %, mastery, streak, course/exam countdown
• Works fully offline — no account required

WHO IT'S FOR
Sailors preparing for Coastal Skipper or Yachtmaster Offshore shorebased theory, or anyone refreshing advanced coastal navigation and collision regulations.

COMPLIANCE & DISCLAIMER
Independent study aid by MD Shahariar Nazim Joy. Not affiliated with, endorsed by, or connected to the Royal Yachting Association (RYA) or any awarding body. Original questions written from public collision regulations and standard navigation practice. Practising here does not guarantee a pass. Always follow current regulations, official charts, and good seamanship afloat.

SUBSCRIPTIONS (USD)
• Monthly Premium — $6.99 / month
• Yearly Premium — $19.99 / year (best value)
• Lifetime Access — $29.99 one-time

Payment is charged to your Apple Account. Subscriptions auto-renew unless cancelled at least 24 hours before the period ends. Manage in App Store account settings.

Privacy Policy: https://joykhansayan1.github.io/yachtmaster-theory-prep/privacy.html
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Support: https://joykhansayan1.github.io/yachtmaster-theory-prep/support.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Yearly Premium | $19.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Access | $29.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-08-04

First release — 2,000+ questions, timed mocks, tidal calculators, flashcards, and readiness tracking.

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All apps by MD Shahariar Nazim Joy: https://appshunter.io/developer/1893961943

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-05.*