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
UI Catalog for SwiftUI
See SwiftUI components live
$4.99
PRICE
$4.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
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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.
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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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included
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.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
See SwiftUI components live. Copy the code. Ship faster. Now covering Map (MapKit) and Charts (Swift Charts), with interactive previews and real code for both. UI Catalog is the SwiftUI reference you'll open every day — browse or search, play with live previews, copy real code, and jump to Apple's official docs in one tap. Browse by category. Search as you type. A wide range of SwiftUI components on one scrollable screen, grouped by category — Controls, Layout, Navigation, Shapes, and more. A thumb-friendly search bar on the bottom filters instantly as you type. Now with Map and Charts v1.2 adds two of the most-requested frameworks. Explore MapKit's Map — annotations, markers, map styles, and camera position — and build Swift Charts with bar, line, area, and point marks, all from the same parameter playground, with copy-paste code for every configuration. See it live, not just described Open any component to an interactive Preview — the real SwiftUI view, running. Flip between light and dark, and tweak it from a parameter playground: toggle states, change colors, adjust values, and watch it update in real time. Copy code that matches what you see The Code tab generates a clean, syntax-highlighted SwiftUI snippet from your current playground settings — change a parameter and the code changes with it. One tap copies it, ready to paste into Xcode. One tap to the official docs Each component includes a direct link to Apple's official developer documentation, so deeper reading is never more than a tap away. Buy once. Use forever. Every competing catalog has a paywall, a subscription, or ads. This one has none of them — and it never touches your data. One-time purchase — no subscription, ever No advertisements anywhere in the app No account or login — open it and it just works No analytics, no tracking — everything stays on your device Who it's for Built for developers and designers who work with SwiftUI daily, and for product owners who want to see what's natively possible before writing a spec. This app is an independent reference tool and is not affiliated with, endorsed by, or sponsored by Apple Inc. SwiftUI is a trademark of Apple Inc.
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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
BUILD KIT DIFFICULTY
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.
