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.
Tired of hearing the same songs on shuffle? Real Shuffle uses a truly random algorithm so every song in your library has an equal chance of playing no favorites, no bias.
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Real Shuffle Music: 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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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
Assumption to check: Limited features compared to other music apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor performance on older devices
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Average user interface design
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited offline support
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Tired of hearing the same songs on shuffle? Real Shuffle uses a truly random algorithm so every song in your library has an equal chance of playing no favorites, no bias. Real Shuffle Unlike the default shuffle, Real Shuffle uses a fair randomization algorithm. Every song has an equal chance of playing, whether you have 100 or 10,000. Remote Playback Control playback on another device over your local network with the companion app Remote Shuffle. Perfect for playing music at full quality directly on an Apple TV, a second iPhone, or a Mac. (Remote volume control is only available on iOS and iPadOS devices.) Smart Filters Like what's playing? Tap the artist or album filter to keep the vibe going — shuffle only songs by the same artist or from the same album. Explore Apple Music Discover new music directly from the Apple Music catalog. Search, listen, and add songs to your library without leaving the app. Playlists & History Access all your Apple Music playlists and keep track of everything you've listened to with the built-in playback history. Song Details Tap any song title to see its full info track number, album, release year, composer, play count, and more. Search Your Library Find any song instantly with fast, accent-insensitive search. And More AirPlay support Keyboard shortcuts for external keyboards Available in 9 languages
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.