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
Squawster - Police Scanner
Squawster is the fastest way to listen to live public-safety radio and stay on top of major incidents as they happen.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.6
230 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 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 Squawster - Police Scanner: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Squawster is the fastest way to listen to live public-safety radio and stay on top of major incidents as they happen. LISTEN LIVE • Thousands of live police, fire, EMS, aviation, rail, and weather feeds, powered by Broadcastify. • Browse by county, state, or metro, search by name, or jump to what's active near you. • Background audio with lock-screen controls; keep listening while you use other apps. INCIDENTS, NOT JUST AUDIO • A nationwide feed of major events — working fires, mass-casualty incidents, aircraft emergencies, hazmat, and more — surfaced the moment they escalate. • Follow the areas and event types you care about and get a push the instant something breaks. • Get notified when a feed surges past 5,000 listeners — usually the sign of something big. SQUAWSTER PRO Squawster is free to browse and listen. Squawster Pro adds: • Scan individual Broadcastify Calls talkgroups live. • Build and manage your own Calls playlists. • Cloud-sync your favorite feeds across all your devices. • Listen to archived recordings. • An ad-free experience. Squawster Pro is a $4.99/month auto-renewable subscription. — Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your App Store account settings after purchase. Privacy Policy: https://squawster.com/privacy/ Terms of Use: https://squawster.com/terms/
Written user reviews are not shown here. Check current App Store reviews >
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.
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
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.
