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
Local 3 Weather
The best weather app in the Tennessee Valley gets even better!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
13,687 ratings · Top 5%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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.
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 Local 3 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
Use multiple reliable APIs to verify data accuracy.
Assumption to check: Weather apps often have inaccurate weather data.
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to customize notification settings.
Assumption to check: Push notifications can be too frequent or irrelevant.
Validate with people who use this workflow before building.
Hypothesis 3
Offer ad-free subscription for a better experience.
Assumption to check: Ads can disrupt the user experience.
Validate with people who use this workflow before building.
Hypothesis 4
Provide theme customization and layout options.
Assumption to check: Limited customization options for users.
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 best weather app in the Tennessee Valley gets even better! You spoke, and we've listened. Local 3 knows that weather plays an important role in your life. It determines the route you take to work, how you make plans for the weekend and if the kids will have soccer practice. We've worked closely with our app development team to re-vamp the Local 3 Weather app. Current conditions, with information generated by the Local 3 Storm Alert Team, gives you a quick glimpse into what's going on outside right now. By scrolling down you can find conditions for the week ahead, our Live Stream, School Closings and new Traffic/Road Conditions. The new, high-resolution radar now has Storm Tracks, so you can tell if the storm is headed your way, and what areas around you may be affected. Be sure to turn on Alerts and enable Locations to be warned of dangerous weather in your locations. You'll be notified by our team of meteorologists and be prepared.
Written user reviews are not shown here. Check current App Store reviews >
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
Axios
React Navigation
@react-native-community/geolocation
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.
