App Overview

IALA Buoyage & Lights icon

IALA Buoyage & Lights

The Other Hat · Reference

IALA Buoys & Lights helps to improve your navigation skills and stay safer on the water

$3.99 · In-app purchases

PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for IALA Buoyage & Lights: map the core Reference workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Include more comprehensive descriptions and regulations.

Assumption to check: Limited information on buoy types compared to other reference apps

Validate with people who use this workflow before building.

Hypothesis 2

Allow users to save favorite buoys or create custom lists.

Assumption to check: Lack of user customization options

Validate with people who use this workflow before building.

Hypothesis 3

Implement offline storage for key buoy data.

Assumption to check: No offline access to information

Validate with people who use this workflow before building.

Hypothesis 4

Expand sharing capabilities to include social media platforms.

Assumption to check: Limited sharing options

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

IALA Buoys & Lights helps to improve your navigation skills and stay safer on the water. It covers both IALA Maritime Buoyage Systems A and B. This essential reference, learning and revision app helps skippers, sailors, boaters, anglers, crew and maritime professionals recognise and interpret buoyage, navigation marks and light characteristics. “The graphics are clear and well done, and the info is great to carry with me. Works perfectly.” Downloaded and used by thousands of seafarers across Great Britain, the USA, Australia, France, Canada, New Zealand and more than 50 other countries. QUICK, RELIABLE, PRACTICAL REFERENCE Whether you are on the water or ashore, studying in daylight or checking a mark in darkness or poor visibility, IALA Buoys & Lights makes it easy to find the relevant illustration, rule and definition. • Quick reference IALA Buoys and Lights - systems A and B. • Search across the app to find buoyage, lights and IALA rules quickly • Find key sections quickly from the redesigned home screen • Supports sailing, boating and maritime training courses • Learn using more than 100 custom-made illustrations • Supports classroom instruction and independent study • Test your recall through interactive quizzes • Visual aide-mémoire when out on the water • Use the core reference content without an internet connection >>> FULL APP — AD FREE | NO IN-APP PURCHASES | NO SUBSCRIPTION WHAT'S NEW IN THIS VERSION This major update makes IALA Buoys & Lights faster, clearer and easier to use. • Save Favourites • Reorder Favourites • Continue from last page viewed • Detailed search results • New gallery-style image viewer • Access additional Safe Skipper online quizzes • Share the app directly with friends WHAT’S INCLUDED 1. BUOYAGE Explore a visual reference guide containing 70 illustrations with clear descriptions of different buoy types, their uses, appearance, variations and light characteristics. 2. LIGHTS Review 12 illustrations explaining the different types of lights and characteristics used by beacons and lighthouses. 3. IALA RULES Consult the International Association of Marine Aids to Navigation and Lighthouse Authorities guidance covering the IALA A and IALA B buoyage systems. 4. TEST YOURSELF Check and improve your knowledge with multiple-choice questions featuring 35 graphic representations of buoys and lights. Clearer feedback highlights correct answers and helps you learn from mistakes. You can also access an extended selection of online quizzes. DESIGNED FOR LEARNING AND REVISION If you are responsible for a vessel at sea, regardless of its size, you need to recognise navigation marks by day and night and understand what they mean. Use IALA Buoys & Lights: • As a quick-reference and revision tool • As a powerful visual aide-mémoire • To reinforce essential maritime safety knowledge • To improve your knowledge and recall through quizzes • To support sailing, boating and maritime training courses • To refresh your knowledge before heading out on the water The app’s carefully created illustrations and concise explanations make complex information easier to understand and remember. ENDORSED BY THE BOATING COMMUNITY >>> Used by thousands of seafarers across Great Britain, the USA, Australia, France, Canada, New Zealand and more than 50 other countries. “I was so impressed with your Nav Lights app that I bought it and downloaded it immediately.” “The graphics are excellent and I think this will be really useful while out at sea or at home for revision purposes.” OTHER APPS IN THIS SERIES • ColRegs: Lights and Shapes provides in-depth coverage of ColRegs Rules 20–31. • ColRegs: The Rules of the Road covers the Steering and Sailing Rules and Sound and Light Signals sections of the IRPCS. Improve your knowledge, test your recall and keep essential buoyage and light information close at hand with IALA Buoys & Lights.

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
React Navigation
TypeScript
react-native-share
Zustand
BUILD KIT DIFFICULTY
Starter

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.