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.
shuttle is the next-generation public transport app for melbourne and victoria
$2.99 · In-app purchases
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.
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Combine features and design from your favorite apps.
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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 Shuttle - Trains, Trams, Buses: map the core Travel 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: Often lacks real-time data accuracy
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing
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.
shuttle is the next-generation public transport app for melbourne and victoria. it actually makes sure you know if your service is delayed or suspended, it comes with heaps of unique features that let you stay on top of your journey, and it's just half the price of one day's commute* - for lifetime access. features: + supports all melbourne and victorian train, tram, bus, and v/line public transport services. + view departures, get live information, make complete journey plans, etc. + service disruptions and delays are surfaced clearly, app-wide, instead of hidden away. + track your service or journey plan from the lock screen or another app with live activities. + notifications and wake-up alarms for when your service is arriving and departing. + calendar integration, allowing you to make a journey plan to your next event with just a tap. + a powerful favourites system that lets you see everything you need at a glance. + optional, on-device ai-powered journey and disruption summaries. + cool stats for train nerds: incl. what type of train and consist is running a service. + refined throughout nearly a year of betas. + all in a beautiful, intuitive design that's easy to use and fits right at home on iphone. shuttle has no ads, no in-app purchases, and no subscriptions. get the app once and own it for life. shuttle was made in victoria, for victoria. by purchasing the app, you're supporting a local student developer. reach out at [email protected] if you have any enquiries! shuttle is also on instagram and tiktok: @shuttle.transport * based on an adult fare from zone 2 to 1, and back (e.g. dandenong to the city).
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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.