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
WatchCloud: SoundCloud Player
Listen to SoundCloud on your Apple Watch
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
34 ratings · Top 50%
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 included16 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 WatchCloud: SoundCloud Player: 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
Implement robust offline listening features with downloads.
Assumption to check: Limited offline support for music playback
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the navigation and design for a more user-friendly experience.
Assumption to check: User interface can be overwhelming
Validate with people who use this workflow before building.
Hypothesis 3
Focus on delivering high-quality audio streaming.
Assumption to check: Inconsistent audio quality
Validate with people who use this workflow before building.
Hypothesis 4
Offer a more balanced ad experience that doesn't disrupt listening.
Assumption to check: Frequent ads in free tier
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
Listen to SoundCloud on your Apple Watch. Leave your phone behind. Listen to your favorite tracks, playlists, and artists with WatchCloud. Stream directly over Wi-Fi or cellular, whether you’re out for a run, at the gym, or on your daily commute. YOUR MUSIC, WITH YOU • Listen to your liked tracks and playlists • Search for tracks, artists, and playlists • Explore artists and discover more music • Like tracks as you listen CONTROLS MADE FOR YOUR WATCH • Play, pause, skip, shuffle, and adjust playback speed • Turn the Digital Crown to jump to any moment in a track • Customize the double tap gesture to control playback on compatible watches • Open your liked tracks or search directly from watch face complications ONE PURCHASE. NO SUBSCRIPTION. Pay once for WatchCloud and enjoy ad-free playback with no WatchCloud subscription. WatchCloud grows with its community, with regular improvements inspired by listener feedback. REQUIREMENTS • A SoundCloud account • An internet connection over Wi-Fi or cellular • Apple Watch Series 4 or later, or Apple Watch SE, running watchOS 10 or later Need help? Open the About page in the iPhone app or follow the support link below. WatchCloud is an independent app that uses the official SoundCloud API in accordance with its Terms of Use.
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
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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.
