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
Radio: Create Stations
radio: create stations
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
3 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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
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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/
Preview a sample Build Kit No email needed
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 Radio: Create Stations: map the core Music 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 station branding and aesthetics.
Assumption to check: Limited customization options for radio stations.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance search functionality with better filters and recommendations.
Assumption to check: Difficulties in finding specific genres or stations.
Validate with people who use this workflow before building.
Hypothesis 3
Implement social sharing options for users to share their stations.
Assumption to check: Lack of social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce offline caching of stations for listening without internet.
Assumption to check: No offline playback options.
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
radio: create stations build your own radio. add any stream. see the song and cover on the lock screen. make personal stations from streams around the world. give each one a name, logo, and description, then start listening in seconds with smooth, reliable playback. app supports audio streaming! http://example_my.com/playlist.pls https://example_my.com/stream.aac http://example_my.com/playlist.m3u http://example_my.com/live-radio.mp3 https://example_my.com/channel.m4a https://example_my.com/hls/playlist.m3u8 http://example_my.com/windows-media-playlist.asx http://example_my.com/legacy/stream.ram https://example_my.com/program.smil what you can do create stations quickly with name, url, and logo see the current song and album cover on the lock screen play in the background with full lock screen controls switch stations instantly while audio keeps playing copy and paste faster across all fields set a sleep timer or wake up to your favorite station tag stations and search your library with ease sync and back up your stations with icloud no subscriptions and no in-app purchases why it’s different you control the list, the look, and the flow. build once and it’s yours on every device. privacy no account required. your stations stay on your device.
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
React Navigation
Axios
React Native Dropdown Picker
React Native Slider
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.
