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
WatchOut: Police Scanner・Radio
WatchOut: Police Scanner & Crime Map
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
4 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 included15 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 WatchOut: Police Scanner・Radio: 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
Quality-focused curation, no sensationalism
Assumption to check: Clickbait headlines
Validate with people who use this workflow before building.
Hypothesis 2
Generous free tier with premium for power readers
Assumption to check: Paywall on everything
Validate with people who use this workflow before building.
Hypothesis 3
Smart notification bundling, customizable by topic
Assumption to check: Too many 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
WatchOut: Police Scanner & Crime Map Stay informed with live police radio, real-time incident updates, and an interactive crime map. WatchOut helps you monitor police activity, emergency responses, and public safety events as they happen. Whether you're commuting, traveling, or checking your neighborhood, WatchOut gives you the information you need to make smarter, safer decisions. Features • Listen to live police, fire, and EMS radio communications. • Explore nearby incidents on an interactive crime map. • Follow active emergency responses in real time. • Discover crime reports and police activity near your location. • Search cities, counties, and scanner channels across the country. • Track developing events with live updates. • Identify crime hotspots and recent public safety reports. • Save your favorite locations for instant access. • Receive timely alerts about important incidents nearby. • Stay informed before heading home, to work, or while traveling. Why WatchOut? Awareness starts with information. Instead of wondering why sirens are outside or police are responding nearby, WatchOut lets you listen to live dispatch radio, explore crime reports, and follow incidents as they unfold. Whether you're planning a trip, checking on your neighborhood, or keeping your family informed, WatchOut helps you stay connected to what's happening around you. Perfect for • Local residents • Travelers • Daily commuters • Journalists • Storm chasers • Neighborhood watch groups • Public safety enthusiasts • Anyone who wants to stay informed Premium Subscription Unlock the full WatchOut experience with advanced alerts, enhanced crime map features, premium police scanner access, and additional safety tools. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours before the current subscription period ends. You can manage or cancel your subscription at any time from your App Store account settings. Privacy Policy: https://sites.google.com/view/watchoutapp/privacy-policy Terms of Use: https://sites.google.com/view/watchoutapp/terms-of-use Download WatchOut today and always know what's happening around you.
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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
Supabase
Expo Notifications
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.
