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
SwiftUI Companion
Welcome to SwiftUI Companion!
$0.99
PRICE
$0.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
Build Kit
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Add to a Remix
Combine features and design from your favorite apps.
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Make it yours Optional
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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.
// RORK SYSTEM PROMPT
Rork plan preview for SwiftUI Companion: map the core Developer Tools workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
Preview ready. Verify your email to reveal and copy the full prompt.
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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.
Hypothesis 1
Offer extensive tutorials and examples within the app.
Assumption to check: Limited learning resources compared to other platforms.
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate a feature for users to submit their own examples.
Assumption to check: Lack of user-generated content.
Validate with people who use this workflow before building.
Hypothesis 3
Provide downloadable content for offline usage.
Assumption to check: No offline access to content.
Validate with people who use this workflow before building.
Hypothesis 4
Add gamification elements and community features.
Assumption to check: Poor user engagement features.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Welcome to SwiftUI Companion! Are you a SwiftUI developer looking for a quick and effortless way to preview system elements in action? Whether you're fine-tuning your UI or experimenting with system sounds, SwiftUI Companion is your go-to companion for SwiftUI development on iPhone and iPad. This powerful yet lightweight tool lets you: Hear System Sounds – Instantly play and preview system sound codes to find the perfect audio cue for your app. Visualize Shapes – Explore SwiftUI’s shape library with full customization—adjust borders, fills, gradients, and more. Preview Text Styles – See all system text sizes and formatting options to ensure your typography is pixel-perfect. Discover System Colors – Browse SwiftUI’s built-in color palette, including gradient variations, to match your app’s aesthetic. No more guessing how things will look or sound—SwiftUI Companion makes it effortless to explore SwiftUI’s built-in resources in a structured, interactive way. Whether you're a beginner learning the ropes or a pro refining your designs, this app saves time and inspires creativity. Download now and make SwiftUI development smoother, faster, and more intuitive than ever!
Written user reviews are not shown here. Check current App Store reviews >
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
React Native
Expo
TypeScript
React Navigation
Zustand
Tailwind CSS
BUILD KIT DIFFICULTY
Starter
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.
