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.
Historic Philadelphia, SelfTour’s GPS assisted audio walking tour leads you with turn-by-tour directions and inspiring descriptions using your smartphone or table through America’s most historic square mile!
$9.99 · 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.
First kit free with a verified email
Combine features and design from your favorite apps.
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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.
Rork plan preview for Historic Philadelphia Tour: 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: Limited offline functionality for audio tours
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social features for sharing tours
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of personalization in recommendations
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface can be cluttered
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.
Historic Philadelphia, SelfTour’s GPS assisted audio walking tour leads you with turn-by-tour directions and inspiring descriptions using your smartphone or table through America’s most historic square mile! - Walk in the footsteps of America’s founders and hear their inspiring words spoken where it actually happened. - Visit over 50 historically significant sites including the Betsy Ross House, Carpenter's Hall, Dolley Madison’s home, Benjamin Franklin’s house, his kite flying location and grave, Independence Hall, the house Christ Church, haunted mansions and Elfreth’s Alley. - Hear a recreation of the sound of the Liberty Bells as last heard in 1846. A SelfTour Exclusive! - Plus fascinating tales of the area’s historic characters and its over 259-long history. A Delightful Experience! The descriptions are performed by talented voice actors in an entertaining style, underscored with dramatic music of the period and enhanced with photos. The descriptions have been thoroughly researched providing the accurate information about the trying times and actions of America’s founders. It is an experience you will long remember for a fraction of the cost of other tours. You’re in control! The easy-to-use exclusive SelfTour system ensures an enjoyable full-circle walking tour on your own schedule, at your own pace. No waiting for others! You can join the tour at any location, stop anywhere along the way and continue again. And it is a complete circle tour so you end up where you started. The GPS always shows you where you are so you can’t get lost. There are no advertisements and an internet connection is not needed. Just download and go! For more instructions go to our website SelfTour.Guide. Here you’ll also discover more great SelfTour audio walks, and drives… and you can leave us your comments. If there’s a tour worth taking, it’s worth taking a SelfTour! Now… walk through history!
Written user reviews are not shown here. Check current App Store reviews >
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.