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.
Build your own path to 270.
Free
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.
Your first Build Kit is free with a verified email.
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.
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Affiliate link: CloneChart may earn a commission at no extra cost
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Build your own path to 270. Election Day Map is an interactive U.S. presidential map. Tap a state to call it, shade how safe the margin is, and watch the electoral vote bar move with every call. TAP TO CALL • One tap blue, two taps red, three for a third-party candidate, and one more clears it • Press and hold any state for margins, popular vote, and district splits • Prefer a picker for every tap? Switch it in Settings CALL EVERY STATE • Shade margins from Safe to Likely, Lean, Tilt, and Tossup • Split Maine and Nebraska by congressional district • A live electoral vote bar with the 270-to-win line YOUR RACE, YOUR CANDIDATES • Rename candidates and pick their colors • Add third-party and independent candidates • Enter popular vote totals by state and see the national popular vote SHARE YOUR MAP • One tap turns your map into a clean image with the electoral vote totals • Send it to friends, group chats, or social EVERY ELECTION SINCE 1789 • Browse all 60 presidential elections • Step through history year by year, right on the map • Load any past result as the starting point for your own map MADE FOR ELECTION SEASON • Election Day countdown • Light and dark mode, with a true night-mode map • Your map saves automatically, exactly as you left it Want House and Senate races too? Check out Election Explorer 2026, our companion app. Election Day Map is an unofficial, educational app. It is not affiliated with any government entity. Historical results come from official .gov sources listed in the app.
Written user reviews are not shown here. Check current App Store reviews >
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.
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.
Not assessed in a Build Kit yet.
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.