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
Weather Belt: Radar & Alerts
Weather Belt is a professional-grade emergency weather intelligence platform built for people who take severe weather seriously
$9.99 · In-app purchases
PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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.
Build your own version
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 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 Weather Belt: Radar & Alerts: 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
Allow users to customize alert types and thresholds.
Assumption to check: Limited customization options for alerts
Validate with people who use this workflow before building.
Hypothesis 2
Ensure real-time updates for radar data.
Assumption to check: Inconsistent updates for radar information
Validate with people who use this workflow before building.
Hypothesis 3
Include air quality index and other environmental factors.
Assumption to check: Lack of detailed air quality information
Validate with people who use this workflow before building.
Hypothesis 4
Add support for home screen widgets with quick weather info.
Assumption to check: No widget support
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
Weather Belt is a professional-grade emergency weather intelligence platform built for people who take severe weather seriously. One-time purchase. No subscription. No ads. No accounts. No data collection. Ever. REAL-TIME RADAR & ALERTS Live NEXRAD radar animation shows exactly where storms are moving. NWS alerts surface automatically — tornado warnings, flash flood emergencies, severe thunderstorm watches — with a cycling alert display across all active counties. Critical alerts break through Do Not Disturb. LIVE INTELLIGENCE LAYERS Ten live data layers on a single map — NEXRAD radar, NWS alert polygons, lightning strikes, wildfires, seismic activity, marine buoys, aviation METARs, river gauges, air quality, and hurricane tracks. Everything updating in real time. No extra apps. No extra cost. SCANNER AUDIO Live emergency scanner audio streams from thousands of agencies nationwide. Monitor police, fire, EMS, and emergency operations directly inside the app. Powered by OpenMHz — free, no account required. LIVING HOME SCREEN The hero card updates in real time with animated sky backgrounds that reflect actual conditions, heat index warnings, pressure monitoring, and a full 12-hour hourly forecast. Current Conditions pulls up Feels Like, UV Index, Air Quality, Wind, Visibility, Cloud Cover, Dew Point, and celestial data. TOOL BELT — 14 EMERGENCY TOOLS Conditions Advisor · Lightning Tracker · River Gauges · Evacuation Advisor · Shelter in Place · Go-Bag Checklist · Triage Templates · 10-Codes Reference · Dead Reckoning · Coordinates · Thermal Calculator · Compass · Visibility Danger · Incident Journal BAROMETRIC PRESSURE MONITORING Continuous device barometer monitoring with rapid drop detection — often the first indicator of approaching severe weather before NWS issues official alerts. INTEL DASHBOARD On-device storm analysis, SPC convective outlook, hazardous weather outlook, and NEXRAD radar timeline in one place. No API key required. HURRICANE TRACKING Live National Hurricane Center cone of uncertainty and storm track for all active named storms. Free, official NHC data — no account needed. PRIVACY FIRST Weather Belt collects zero personal data. No account required. No telemetry. Everything runs on your device. Optional premium scanner integration available for power users via Broadcastify. DATA SOURCES National Weather Service · NOAA · USGS · RainViewer · Blitzortung · NASA FIRMS · NDBC · FAA · EPA AirNow · OpenMHz · National Hurricane Center One-time purchase. No subscription. No hidden costs. Own it once — ready when it matters.
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
axios
zustand
react-native-maps
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.
