Comparison

SeaRegs vs IRPCS

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

Head to head
About

SeaRegs

This interactive learning resource offers essential maritime skills and knowledge for operating in a marine environment. It includes tests for each section to help users track their progress in acquiring maritime expertise.

Highlights
  • Interactive learning resource
  • Essential maritime skills
  • Knowledge for marine operations
  • Progress tracking tests
  • Reference material
Features
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The primary aim of the Workboat Training App is to act as a learning resource by providing reference material containing essential skills, knowledge and guidance for those operating in a maritime environment. The App has a useful test for each section for you to see how well you are progressing with your maritime knowledge.

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

SeaRegs2 screens
IRPCS4 screens

Verdict

The call

The clearest difference is in-app purchases: SeaRegs at none against IRPCS's 2. SeaRegs also leads on ads (none vs shown). IRPCS's advantage is update cadence (every 3 days vs every 9 months). On price, device support and iOS requirement 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. IRPCS sells 2 in-app purchases, starting at $4.99 per month. SeaRegs asks for nothing beyond the download.

UpkeepUpdate frequency

SeaRegs ships an update every 9 months, IRPCS every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Ā· 5 level
SeaRegs versus IRPCS: the parameters behind the verdict, then further details
ParameterSeaRegsIRPCS
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 9 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size39 MB73 MB
Age rating4+17+
DeveloperIniti LimitedPaul Whittle

In-app purchases

None

SeaRegs

No in-app purchases

2 purchases

IRPCS

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

Questions

Is SeaRegs free?
SeaRegs is free to download, with no in-app purchases.
Is IRPCS free?
IRPCS is free to download, with in-app purchases available.
Do SeaRegs or IRPCS have ads?
IRPCS shows ads; SeaRegs does not.
Which is updated more often, SeaRegs or IRPCS?
SeaRegs ships an update every 9 months, and IRPCS every 3 days. Most recently, SeaRegs was updated on November 3, 2026 and IRPCS on October 31, 2026.

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