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.
App Overview
Instant NOAA Storm Pro
The Next Generation of NOAA Storms and NOAA Radar app is here (This app is part of the Universal Purchase
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.8
4 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 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.
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Instant NOAA Storm Pro: 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
Offer customizable themes and layouts.
Assumption to check: Limited user interface customization options
Validate with people who use this workflow before building.
Hypothesis 2
Optimize data fetching and caching mechanisms.
Assumption to check: Slow loading times for radar data
Validate with people who use this workflow before building.
Hypothesis 3
Include extended forecasts and hourly breakdowns.
Assumption to check: Lack of detailed weather information
Validate with people who use this workflow before building.
Hypothesis 4
Enhance reliability and customization of alert notifications.
Assumption to check: Inconsistent push notifications
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
The Next Generation of NOAA Storms and NOAA Radar app is here (This app is part of the Universal Purchase. With one purchase, you will be able to know the NOAA Storms information on your iOS, Watch OS and Apple TV devices.). NOAA Storms provide reports for the following critical events: - Tornado - Wind - Strong wind - Hail - Large Hail iOS App Quick Started: > US Storms are listed on the map. Zoom in/out and select any city to see the Storm information. Storms information will be refreshed every 10 minutes to provide you the up-to-date information. > Giving the fact there can be no storm in any given day, click on the "Test" button to load the built in data (based upon Feb 24, 2016 Storm Prediction activities) so that you can try out the functionalities. > US NOAA Radar images will be loaded when the app is launched and will be refreshed every 10 minutes. And you are ready to see the latest real time radar images on the map. Zoom in and out to see the whether across multiple states. Click on the "Radar" button to enable/disable radar images. Slide the slider to change the transparency of radar images. > To see the Storm in 3D View and view the information, follow the steps below: 1. Select "Flyover" on the top to enable 3D View and you should be able to see the storms in 3D View. 2. You can use two-fingers gesture to change viewing angles: zoom in/out, rotate, swipe up/down for 3D View 4. Click on any storm to see the information Watch App Quick Started: > Launch the Watch App and the app will communicate with the iOS App to get the nearest storm information and also notify the iOS App to select the storm and view the information. Click on the "Nearest" button if you would like to search the nearest storm again. Introduction: This app is the Next Generation of NOAA Storms and NOAA Radar app by integrating the following technologies and data together: - The latest Apple MapKit features such as Traffic, Buildings, POI and 3D Model - Apple Watch Integration with iPhone. - Apple TV integration (Universal Purchase: one purchase to get the app on iOS, Apple Watch and Apple TV) - Storms including Tornado, Hail and Wind. - Real Time NOAA Radar - Databases with built in information. This app provides the following features: - The first app to integrate both Storms and the latest national Radar images together. - The first app to provide Storm and Radar images in 3D view. - One click Storm selection by selecting the right sidebar and click on a storm location. - One click feature switch by selecting the left sidebar and click on a feature - One click theme switch by selecting the left sidebar and click on a theme. - This app provides the Apple Watch Integration - This app will provide Apple TV integration.
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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
Supabase
react-navigation
axios
zustand
BUILD KIT DIFFICULTY
Intermediate
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.
