Comparison

Maritime Master vs Bridgedeck Study

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Maritime Master

Features
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Stop memorising the regulations. Start mastering them. Maritime Master - COLREG is the definitive interactive guide to the International Regulations for Preventing Collisions at Sea (COLREGs / IRPCS). Designed for deck officers, yachtmasters, and serious boaters, this app replaces dry textbooks with intuitive visual simulations. Whether you are preparing for your exams, or simply need a reliable pocket reference at sea, Maritime Master helps you learn faster and retain more. Most apps just copy-paste the rules. We bring them to life. Interactive Scenarios: Don’t just read Rule 14 (Head-on) or Rule 15 (Crossing), control the vessels on screen to see exactly who gives way. Visual Light Sectors: Build the "Mercedes" arc yourself. Finally understand exactly what 112.5Β°, 135Β°, and 225Β° look like in real life. Smart Quizzes: Test your knowledge with "Exam Trap" questions that highlight common mistakes students make in oral exams. KEY FEATURES Complete Rule Book (1-38): Full, searchable text of the Steering and Sailing Rules, perfectly formatted for mobile. Navigation Lights & Shapes: Toggle between Day, Night, and Fog modes to master Rule 20. See instantly how shapes change for RAM, CBD, NUC, and Fishing vessels. Restricted Visibility (Rule 19): A dedicated Radar Simulator helps you decide whether to turn to starboard or reduce speed in fog.Β  Sound & Distress Signals: Interactive buttons to hear blast patterns (Rule 34/35) and visualize Annex IV distress signals like Red Flares and Smoke.Β  Steering Rules Visualized: * Overtaking (Rule 13): Clearly see the overtaking sector vs. crossing. Narrow Channels (Rule 9): Master positioning and bends.Β  TSS (Rule 10): Visualize lane discipline and crossing angles.Β  Offline Ready: No internet required. Study in your bunk, on watch (if allowed!), or commuting. PERFECT FOR: Student Officers: Cadets, OOW, Chief Mate, Master 3000 (MCA / USCG / International). Yachting Pros: RYA Yachtmaster Offshore / Ocean, Master 200/500. Leisure Boaters: Day Skipper, Powerboat Level 2, ICC Sailing Schools: A perfect visual aid for instructors teaching the Rules of the Road. INCLUDES: Part A: General Part B: Steering and Sailing Rules (Sections I, II, III) Part C: Lights and Shapes Part D: Sound and Light Signals Part E: Exemptions Annexes (Distress Signals, etc.) Download Maritime Master - COLREG today and pass your COLREGs exams with confidence.

About

Bridgedeck Study

Features
Read full description

Bridgedeck Study is the voice-first way to prepare for your UK MCA deck officer oral exam. Speak your answers out loud to an AI examiner that questions, probes and follows up like the real thing β€” for OOW Unlimited and OOW Yachts 3000 GT. PRACTISE OUT LOUD - Full mock orals (90 or 120 minutes) that pace and probe like a real MCA oral - Topic drills (10–60 minutes) to build mastery in one area at a time - An examiner that asks follow-ups, escalates scenarios and expects no second chances on the safety-critical topics BUILT ON REAL ORALS - Question bank grounded in hundreds of real candidate exam reports from UK exam centres - MCA-aligned syllabus coverage: COLREGs, buoyage, lights and shapes, stability, cargo work, emergencies, legislation and more - Model answers with citations to the underlying regulations KNOW WHERE YOU STAND - Every answer scored, with a full transcript after each session - Topic-by-topic mastery tracking and an overall readiness score - Countdown and progress against your booked exam date PART A AND FLASHCARDS - Flashcards are free β€” the full deck, no subscription needed - Part A multiple-choice practice papers in the MIN 690 format, with per-topic pass thresholds (OOW Unlimited) TRY IT FREE - 15 minutes of free voice practice β€” no card required - Your voice is never stored: audio streams live and only the text transcript is kept WHO IT'S FOR - OOW Unlimited (STCW II/1) oral candidates - OOW Yachts 3000 GT oral candidates - Cadets and crew building towards their first deck officer ticket Payment is charged to your Apple ID account. Auto-renewing subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your App Store account settings. Terms of Use: https://www.bridgedeck.app/terms Privacy Policy: https://www.bridgedeck.app/privacy

Screenshots

Maritime Master4 screens
Bridgedeck Study4 screens

Verdict

The call

The clearest difference is price: Bridgedeck Study at Free against Maritime Master's $3.99. Bridgedeck Study also leads on iOS requirement (13.0 vs 17.6). Maritime Master's advantage is in-app purchases (none vs 7). On update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Bridgedeck Study is free to download; Maritime Master costs $3.99 up front. Bridgedeck Study sells 7 in-app purchases, starting at $14.99 per month. Maritime Master asks for nothing beyond the download.

UpkeepUpdate frequency

Maritime Master ships an update every 11 days, Bridgedeck Study every 6 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences Β· 3 level
Maritime Master versus Bridgedeck Study: the parameters behind the verdict, then further details
ParameterMaritime MasterBridgedeck Study
Price$3.99Free β€” better
Update frequencyEvery 11 daysEvery 6 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.613.0 β€” better
Further details β€” not scored
Size5 MB53 MB
Age rating4+4+
DeveloperMARITIME MASTER LIMITEDOffice Care Systems (Pty) Ltd

In-app purchases

None

Maritime Master

No in-app purchases

7 purchases

Bridgedeck Study

Subscriptions6
  • Bridgedeck Written$14.991 Month
  • Standard$49.991 Month
  • Pro$79.991 Month
Show 3 more
  • Bridgedeck Written Year$143.991 Year
  • Standard Year$499.991 Year
  • Pro Year$799.001 Year
One-time1
  • Exam Pack$99.99

Questions

Is Maritime Master free?
Maritime Master costs $3.99, with no in-app purchases.
Is Bridgedeck Study free?
Bridgedeck Study is free to download, with in-app purchases available.
Do Maritime Master or Bridgedeck Study have ads?
Neither Maritime Master nor Bridgedeck Study shows ads.
Which is updated more often, Maritime Master or Bridgedeck Study?
Maritime Master ships an update every 11 days, and Bridgedeck Study every 6 days. Most recently, Maritime Master was updated on October 25, 2026 and Bridgedeck Study on October 28, 2026.

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