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
Flash Weather AI: Future Radar
The future of severe weather intelligence is here
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
103 ratings · Top 30%
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 Flash Weather AI: Future Radar: 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 data sources, show confidence %
Assumption to check: Inaccurate forecasts
Validate with people who use this workflow before building.
Hypothesis 2
Clean ad-free experience at low price
Assumption to check: Too many ads
Validate with people who use this workflow before building.
Hypothesis 3
Minute-by-minute precipitation for exact location
Assumption to check: No hyperlocal 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
The future of severe weather intelligence is here. FLASH Weather AI brings the power of real-time, predictive weather alerts directly to your pocket, with unmatched precision. Powered by advanced AI and updated every 2 minutes, FLASH gives you life-saving lightning forecasts, real-time and forecasted heat risk metrics, up to the minute current + future radar, Flash AI's patented FirstStrike, All Clear, and Lightning Probability forecast maps, instant push notifications tailored to all of your saved locations, plus hourly and daily forecasts out to 7 days. Out of breath yet? Whether you're outdoors for work, training, sports, or recreation, FLASH is your edge against the elements. Lightning Prediction Like Never Before! Our patented algorithm infused with Deep Learning predicts lightning before it strikes, with 1 kilometer resolution, updated every 2 minutes. - NEW Live Activities let you can track the storm from your home screen - Forecasts where lightning will be before it hits - Track real-time lightning activity near you - Intuitive Safety Indicator: Our color-coded safety indicator makes it easy to understand when it's safe to continue outdoor activities and when to seek shelter. - Simple Countdown Clock: When lightning is detected within your location, a countdown of user-determined length begins, resetting with each new strike to guide you to safety. - Customizable Prediction and Detection Settings: Tailor the app to your needs by adjusting the warning radius from the recommended 6 miles to between 3 and 12 miles. You can also customize the warning countdown duration from 15 to 60 minutes. Heat Risk & Wet Bulb Globe Temperature (WBGT) Plan your day with real-time WBGT readings—critical for outdoor safety. FLASH also gives you 7-day forecasts of heat stress so you can avoid dangerous conditions before they start. - Live WBGT values for your exact location - Heat risk color coding for easy interpretation - 7-day forward-looking heat stress outlook Current Radar and Forecast Maps. Now view up to the minute, high resolution current and future radar with current lightning map overlays. Also view Flash AI's First Strike, All Clear and Lightning Probability forecasts on map display. - High resolution mapping - Up to the minute current radar and current lightning - 18 hour future radar forecasting in 15 minute increments updating hourly - First Strike, All Clear, and Lightning Probability mapped forecast updating every 2 minutes Smart Push Notifications. Get alerted when lightning is detected or forecasted near your location. No more missed warnings—just timely, actionable info when it matters most. - Customizable lightning proximity alerts for your saved locations - Forecast-based warnings before a strike Basic Hourly and 7 Day Forecasts. All basic daily and weekly weather forecasts for high and low temperatures, precipitation chances and amounts, wind, dew point, cloud cover, and UV Index - Hourly forecasts for each day - Daily forecast views out to 7 days Developed by Flash AI. Learn more at flashweather.ai Privacy Policy: https://flashweather.ai/privacy/ Have questions or suggestions? Contact our dedicated support team at [email protected] Some features require a Flash Premium subscription. After a 7 day free trial, Premium is $3.99/mo or $39.99/yr. Legal Privacy Policy: https://flashweather.ai/privacy/ Terms of service: https://flashweather.ai/legal/ Subscriptions — EULA Auto-renewable subscriptions are governed by Apple’s standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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
OpenWeather API
Expo Location
RevenueCat
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.
