Comparison

MCA Oral Prep vs IRPCS

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

Head to head
About

MCA Oral Prep

Features
Read full description

Practice for your MCA oral examination with an examiner who asks questions, follows up, and probes your knowledge, just like the real thing. Select your certificate, speak your answers using your microphone, and get scored feedback at the end of every session. Strengths in green, areas to improve in amber, critical gaps in red, sorted weakest first so you know exactly where to focus. Covers all 16 MCA Certificates of Competency. Deck: OOW Unlimited, OOW Near-Coastal, Chief Mate Unlimited, Chief Mate Under 3000 GT, Master Unlimited, Master Under 3000 GT, Master Near-Coastal. Engineering: EOOW Motor, EOOW Steam, 2nd Engineer Motor, 2nd Engineer Steam, Chief Engineer Motor, Chief Engineer Steam, 2nd Engineer Under 3000 kW, Chief Engineer Under 3000 kW, Electro-Technical Officer. Built on the official MCA syllabus, MIN 653 and MIN 654 (Amendment 1, November 2024). No study partner needed. No booking required. Available whenever you have time, on a ship, between watches, or the night before your oral. Free to try. Subscribe for unlimited sessions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

IRPCS

Features
Read full description

IRPCS is a focused training app for learning, revising and practising the International Regulations for Preventing Collisions at Sea, commonly known as IRPCS or COLREGS. Built for skippers, SAR crew, lifeboat crews, maritime students, professional mariners and everyday boaters, IRPCS helps turn complex collision regulations into practical knowledge you can understand, remember and apply on the water. Whether you are preparing for an RYA, MCA or STCW assessment, supporting Search and Rescue training, refreshing your knowledge before going afloat, or improving your confidence with collision avoidance, IRPCS gives you a clear and structured way to study the rules that keep vessels safe at sea. The app covers all IRPCS/COLREGS rules, combining the official rule text with plain-English explanations, from experienced professionals. This helps you move beyond memorising wording and understand what each rule means in real situations, including who gives way, what action to take, how vessels should behave in restricted visibility, and how lights, shapes and sound signals are used. IRPCS is designed for regular practice. Use bite-sized lessons, adaptive quizzes and realistic maritime scenarios to build confidence step by step. Track your progress, identify weak areas and return to the topics that need more work. Key features include: • All IRPCS/COLREGS rules in one place • Official rule text with clear plain-English explanations • Adaptive quizzes to help identify weak areas • Realistic collision avoidance scenarios • Lights, shapes and sound signal practice • Progress tracking to monitor improvement • Offline access for use while travelling or at sea • Useful for SAR, lifeboat, commercial and leisure users • Suitable for beginners, trainees and experienced mariners IRPCS is useful for: • RYA Day Skipper, Coastal Skipper and Yachtmaster preparation • MCA and STCW maritime training • Search and Rescue crew development • Lifeboat crew training and revision • Commercial vessel operators • Sailing, motor boating and powerboat users • Harbour, inshore and coastal navigation • Refreshing knowledge before going afloat From steering and sailing rules to responsibilities between vessels, navigation lights, day shapes, sound signals, conduct in restricted visibility and actions to avoid collision, IRPCS helps you practise the knowledge that matters at sea. Learn the rules. Test your understanding. Build confidence. Stay safer on the water. Download IRPCS and start improving your COLREGS knowledge today. Subscription terms: IRPCS may offer auto-renewing subscriptions that provide access to premium learning, revision and practice features. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://irpcs.app/privacy IRPCS Terms: https://irpcs.app/terms

Screenshots

MCA Oral Prep4 screens
IRPCS4 screens

Verdict

The call

The clearest difference is ads: MCA Oral Prep at none against IRPCS's shown. IRPCS's advantage is update cadence (every 3 days vs every 6 days) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. MCA Oral Prep sells 3 in-app purchases, starting at $4.99 per 7 days and IRPCS sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

MCA Oral Prep ships an update every 6 days, IRPCS every 3 days. Both last shipped on October 25, 2026.

Scorecard3 real differences Ā· 3 level
MCA Oral Prep versus IRPCS: the parameters behind the verdict, then further details
ParameterMCA Oral PrepIRPCS
PriceFreeFree
Update frequencyEvery 6 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size2 MB73 MB
Age rating4+17+
DeveloperKEVIN YOUNGPaul Whittle

In-app purchases

3 purchases

MCA Oral Prep

Subscriptions3
  • Exam Week$4.997 Days
  • Monthly$9.991 Month
  • Annual$59.991 Year
2 purchases

IRPCS

Subscriptions2
  • IRPCS Pro 1 month$4.991 Month
  • IRPCS Pro$29.991 Year

Questions

Is MCA Oral Prep free?
MCA Oral Prep is free to download, with in-app purchases available.
Is IRPCS free?
IRPCS is free to download, with in-app purchases available.
Do MCA Oral Prep or IRPCS have ads?
IRPCS shows ads; MCA Oral Prep does not.
Which is updated more often, MCA Oral Prep or IRPCS?
MCA Oral Prep ships an update every 6 days, and IRPCS every 3 days. Most recently, MCA Oral Prep was updated on October 25, 2026 and IRPCS on October 25, 2026.

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