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.
Visit the Opera del Duomo Museum in Pisa with the official app created by D’Uva in collaboration with the Opera della Primaziale Pisana: history, stories, fun facts, events and useful information
$1.99 · 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 Museum of the Opera del Duomo: 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: Apps often lack detailed descriptions or engaging content.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Navigation can be confusing in large apps.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited integration with social features.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be unclear or cumbersome.
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.
Visit the Opera del Duomo Museum in Pisa with the official app created by D’Uva in collaboration with the Opera della Primaziale Pisana: history, stories, fun facts, events and useful information. Download the app and you will get: useful information for your tour (times, how to get there, contacts etc.) the Museum audio tour The audio tour includes: the tour of the Museum with 55 listening points for a total of approx. 92 minutes of audio an interactive map contents in Italian, English, French, German and Spanish access to the contents in offline mode so as to save on internet traffic A bit of us D’Uva is a digital interpretation lab which offers multimedia contents for the description of the cultural heritage with audio guides, video guides, multimedia totems, mobile apps and web platforms. A laboratory where we have fun, we experiment, we discuss and we try to improve daily. Our aim? To set up deeper relations between museums and visitors. Together we form a close-knit, multi-disciplinary group of developers, designers, creative talents, technology freaks, audio and video operators, architects, art historians, narrators and technicians, who love museums, churches, art towns and tourist attractions. Our projects are based on the capacity of the digital media for involving people, and they are developed so as to transform interaction into experience and to add value and emotions to the audio- and video-guided itineraries.
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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.