App Overview

ReefCast Marine Weather icon

ReefCast Marine Weather

Saltwater Central · Weather

ReefCast provides you with the most accurate and confident forecast available, so you can spend your time fishing, instead of worrying about the weather.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
1.0
1 ratings · Below Average

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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Build Kit

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

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What's included18 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 ReefCast Marine Weather: map the core Weather 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 advanced features like severe weather alerts, radar maps, and in-depth forecasts.

Assumption to check: Limited functionality and features compared to leading weather apps.

Validate with people who use this workflow before building.

Hypothesis 2

Focus on a clean, modern UI with intuitive navigation.

Assumption to check: Poor user interface and experience.

Validate with people who use this workflow before building.

Hypothesis 3

Allow users to customize notifications, themes, and favorite locations.

Assumption to check: Lack of customization options for users.

Validate with people who use this workflow before building.

Hypothesis 4

Utilize reliable weather APIs for accurate and real-time updates.

Assumption to check: Inaccurate weather data.

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

ReefCast provides you with the most accurate and confident forecast available, so you can spend your time fishing, instead of worrying about the weather. Pick any point on the water and the simplicity of the ReefCast design provides the key weather information you need in one easy graphic, without unnecessary features you will never use. While other Apps provide the standard NOAA Wavewatch III® forecast and buoy data, ReefCast goes one step further. The ReefCast Interactive Model shows a more accurate 3 mile by 3 mile forecast that is based on our proprietary software model. The ReefCast Ensemble Model will then simultaneously display the confidence you should have in the forecast for your selected location. No other forecasting tool gives you this essential level of detail. With the basic app, you can: · View the National Weather Service Forecast – displays the NWS forecast for your location · View Buoy data – displays the latest data output from buoys measuring wind speed, air temperature, water temperature, wave height, and more With the Premium ReefCast Subscription you gain access to: · The Reefcast Interactive Model – displays a 7-day forecast of Wind Direction, Wind Speed, Wave Height, and Wave Period in one simple graph · The Reefcast Ensemble Model – displays a “behind the scenes” look at the model to show you how accurate the forecast will be over the next 7 days ~Premium Subscription~ Payment for Reefcast Premium usage and features entitles the user to unlimited Reefcast Interactive Model and Ensemble Model forecasts along with the ability to view your recently viewed forecasts in your history folder. Reefcast Premium is an auto-renewable subscription that will renew yearly at $29.99/yr ($2.50/month) or monthly at $4.99/month depending on the plan you have selected. Your subscription will automatically renew unless auto-renew is turned off 24 hrs prior to the end of the subscription period. Cancellations are not allowed during the active subscription period. Sales through Apple iTunes will be governed by Apple’s policies. ~Terms of Use~ http://saltwatercentral.com/legal-terms.html

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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
Zustand
axios
react-navigation
expo-location
BUILD KIT DIFFICULTY
Advanced

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.