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
NBC Bay Area: News & Weather
NBC Bay Area is a local news and weather app for San Francisco, San Jose, Oakland and the Bay Area
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
926 ratings · Top 15%
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.
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 NBC Bay Area: News & Weather: map the core News 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
Implement caching and optimize API requests.
Assumption to check: Inconsistent article loading times
Validate with people who use this workflow before building.
Hypothesis 2
Add offline reading and caching capabilities.
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Simplify notification management and provide clearer options.
Assumption to check: Push notification settings can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a personalized feed algorithm based on user preferences.
Assumption to check: Lack of personalization in news feed
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
NBC Bay Area is a local news and weather app for San Francisco, San Jose, Oakland and the Bay Area. Stay informed with Bay Area breaking news, Microclimate Weather forecasts, live radar, weather alerts, local video and NBC Bay Area News 24/7 streaming. Get trusted local reporting, real-time weather updates and live coverage from NBC Bay Area in one app. Follow San Francisco news, San Jose news, Oakland news, local politics, public safety, traffic, wildfires, earthquakes, entertainment and urgent local updates. Customize breaking news alerts and weather notifications based on your location so you can follow the stories and forecasts that matter most to you. Why use the NBC Bay Area app? If you live in San Francisco, San Jose, Oakland or the Bay Area, NBC Bay Area helps you stay informed about local news, breaking alerts, Microclimate Weather, traffic, wildfires, earthquakes and live coverage. What can you do with the NBC Bay Area app? Follow Bay Area local news * Get alerts for local, national and world news * Follow politics, entertainment and developing stories * Read articles and watch videos from NBC Bay Area journalists * Check the Alerts Center for stories you may have missed Check NBC Bay Area Microclimate Weather * View current conditions and severe weather alerts * Access hourly and 10-day forecasts * Track air quality and UV index data * Watch weather videos from NBC Bay Area meteorologists Use the NBC Bay Area weather widget * Add the weather widget to your Home Screen * Get real-time weather conditions based on your location * Tap for forecasts and live radar * View saved-location weather details Track weather with live radar * Follow changing weather across the Bay Area * Access live radar and weather data * Save locations and receive weather alerts * Use customizable weather modules and improved navigation Stream NBC Bay Area News 24/7 * Watch the NBC Bay Area News 24/7 streaming channel * Stream live NBC Bay Area newscasts * View NBC Bay Area streaming content and breaking news briefings * Watch live coverage of urgent local events Stay informed during major events * Follow wildfires, earthquakes, storms and extreme weather * Track traffic, public safety and community updates * Watch live briefings and breaking news events * Stay informed during elections and developing stories Read NBC Bay Area Investigative and NBC Bay Area Responds * Access investigative journalism and consumer reporting * Follow stories that help Bay Area residents get answers * Read reports focused on accountability and community impact Create an NBC Bay Area account * Sign in with an NBCUniversal Profile * Save articles and videos to view later * Manage preferences and newsletter subscriptions Who is the NBC Bay Area app for? NBC Bay Area is for people across San Francisco, San Jose, Oakland, Berkeley, Fremont, Palo Alto, Santa Clara, Sunnyvale and the greater Bay Area who want local news, weather, live radar, traffic, wildfire, earthquake and public safety updates. When should you use the NBC Bay Area app? * Get Bay Area breaking news alerts * Check Microclimate Weather forecasts and live radar * Use a Home Screen weather widget * Watch NBC Bay Area newscasts * Stream NBC Bay Area News 24/7 * Follow local investigations and consumer reports Can I get Bay Area breaking news alerts? Yes. Personalize alerts for Bay Area breaking news, San Francisco, San Jose and Oakland headlines, weather updates and urgent local stories. Can I watch NBC Bay Area live in the app? Yes. Stream NBC Bay Area News 24/7, live NBC Bay Area newscasts, breaking news briefings and urgent local event coverage. NBC Bay Area helps San Francisco, San Jose, Oakland and Bay Area residents stay informed with breaking news alerts, Microclimate Weather, live radar, local investigations and NBC Bay Area News 24/7 streaming.
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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
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BUILD KIT DIFFICULTY
Expert
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.
