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.
Trip Planner turns the yearly "where are we going this year" group chat into an actual plan — from proposing destinations through settling up the bill afterward.
$2.99
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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Trip Planner turns the yearly "where are we going this year" group chat into an actual plan — from proposing destinations through settling up the bill afterward. Whether your crew has a decade of history together or you're planning your first annual trip, Trip Planner keeps every step in one place. DESTINATION PLANNING • Propose destinations with photos, descriptions, and suggested dates • Vote using ranked-choice voting, so the winner reflects real group consensus — not just whoever spoke up first • Mark your availability on a shared calendar to help the group land on dates that actually work for everyone DURING THE TRIP • Build a shared day-by-day agenda that everyone can see and reorder • Log expenses as they happen and split them however makes sense • See who owes what — the app does the math so nobody has to argue over a spreadsheet AFTER THE TRIP • Trips are archived into a running group history • A leaderboard tracks attendance across the years, for the groups that keep score (you know who you are) MADE FOR YOUR GROUP Trip Planner supports multiple visual themes, so your group's version of the app can feel like your group. Create a group, invite your people, and everyone stays in sync on the same trip — visible only to the people you invite. Sign in with Apple. No separate account, no password to manage, no ads.
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.