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.
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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 Control Panel for YouTube: map the core Productivity 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 analytics options for deeper insights
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of customization for playlists
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Cluttered UI with too many elements
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent performance on larger video libraries
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.
Ads: • Block ads • Hide Sponsored videos & promos • Hide Merch, Offers etc. (desktop version) YouTube experiments: • Restore Subscriptions link in sidebar (desktop version) • Restore order of sidebar items (desktop version) • Restore small thumbnails in Related (desktop version) • Restore "Upload date" search filter (desktop version) New video player UI: • Disable new progress bar and controls (desktop version) - Note: this will stop working when YouTube removes the old player UI • Hide new full screen controls • Hide "More videos" in full screen • Always use compact Play button (desktop version) • Remove background from controls (desktop version) • Restore Miniplayer button (desktop version) • Restore corner click to toggle full screen (desktop version) • Hide full screen title (desktop version) • Hide full screen like/dislike buttons (desktop version) Annoyances: • Hide AI summaries • Remove pink gradient from progress bars • Hide information panels • Hide Premium upsells • Disable video previews (desktop version) • Disable themed hover effects (desktop version) • Automatically pause channel trailers (desktop version) • Allow background playback (mobile version) • Hide Open App links (mobile version) Video lists: • Hide suggested sections • Hide Live videos • Hide Streamed videos • Hide Mixes • Hide Playlists • Hide Movies and TV • Hide Upcoming videos • Hide Members only videos • Hide Collaborations in Subscriptions • Hide Auto-dubbed videos in Related • Hide watched videos • Hide hidden videos - Hides the "Undo" button after 5 seconds • Hide channels - Adds "Hide channel" to video menus • Disable Home feed • Search thumbnail size (desktop version) • Minimum grid items per row (desktop version) • Hide Posts in Home (mobile version) Video pages: • Disable Autoplay • Disable Ambient mode • Hide Related videos • Hide the Next button • Hide channel watermark • Hide Share/Thanks/Clip etc. • Hide Ask button • Hide video metadata • Hide Comments • Always use theater mode (desktop version) • Full size theater mode (desktop version) • Disable enlarged UI in theater mode (desktop version) • Always use original audio (desktop version) • Hide video end cards (desktop version) • Hide video endscreen content (desktop version) • Hide Premium Jump ahead button (desktop version) • Hide Chat (desktop version) • Add Take snapshot to video menu (JPEG / PNG) (desktop version) • Make Transcript downloadable (desktop version) Shorts: • Hide Shorts • Redirect Shorts to the normal player • Hide suggested actions • Hide link to related Short by the same channel • Always show progress bar • Stop Shorts looping • Hide Remix button (desktop version) • Hide Shorts metadata until hover (desktop version) • Minimum Shorts per row (desktop version) UI tweaks: • Show full video titles • Use square corners for thumbnails and videos • Hide categories in Home • Hide channel banner images • Hide Search with your voice • Enforce theme (desktop version) • Link YouTube logo to Subscriptions (desktop version) • Tidy Guide sidebar (desktop version) • Hide "Latest" bar in Subscriptions (desktop version) • Use grid view for Subscriptions & Search (portrait only) (mobile version) • Hide Explore button in Home (mobile version) • Hide channel list in Subscriptions (mobile version) Embedded videos: • Hide Share button • Hide pause overlay
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.