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.
Experience the Home of Carl and Karin Larsson
$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.
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 Carl Larsson: map the core Lifestyle 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 content variety and engagement features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor user reviews indicating bugs and crashes
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion and limited trial options
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.
Experience the Home of Carl and Karin Larsson It is finally possible, through digital 360° technology, to experience the entire artist home with its fantastic, richly coloured interiors. Be inspired by the artist couple’s composite works of art that have influenced us through time. With the help of this technology we are taking our cultural heritage into the future where we can experience a large number of Carl’s paintings. Download the app and admire Carl’s magnificent monumental paintings, his beloved watercolours and inspiring details from the Home of Carl and Karin Larsson. CONTENTS: Carl & Karin – introduction to Carl and Karin's life Come with us on a journey through the lives of the artists Carl and Karin Larsson, from 1853-1928. The bright and the dark years of childhood, the period at the Royal Swedish Academy of Arts in Stockholm, the years in Paris and in the village of Grez-sur-Loing where Carl proposed. Then back to Stockholm and Gothenburg before they finally settled down for good in Lilla Hyttnäs in Sundborn with their seven children and a life full of art, gardening and self-sufficiency. Guided 360-tour – walk around and experience the family home A walk in 360° technology through twelve of the rooms at Lilla Hyttnäs. Here is where the fantastic and colourful interior design comes to life. The atmosphere and the light in the rooms, the richness of detail in this Gesamtkunstwerk that they both created. You can also take a closer look at many of the paintings and turn objects over to discover all the details. Let the inspiration flow from great to small. Audio guide available. Chronology – swipe your way through Carl and Karin's life A chronological journey through Carl and Karin's life and work. Over 130 of their paintings and works are presented here, which gives a fantastic summary of their creativity and development. Unique photographs transport you to their private world where you will meet the family in their everyday life and on special occasions, on trips and in the garden at Lilla Hyttnäs, which is now better known as Carl Larsson-gården. List of works – here you will find Carl's paintings A chronological journey through Carl and Karin's life and work. Over 130 of their paintings and works are presented here, which gives a fantastic summary of their creativity and development. Unique photographs take you to their private world where you meet the family in everyday life and parties, on trips and in the garden at Lilla Hyttnäs, which is now better known as Carl Larsson-gården. Newsreel 1916 – at Carl Larsson's home in Sundborn This little newsreel from 1916 brings the Larsson family to life again. You will meet them at various events. A cart with guests rolls into the courtyard and they sit down for lunch in the garden. Carl draws, rows out with his grandchildren and visits the church with Suzanne and her husband. The terrible spring flood rushes into the garden over the courtyard where Carl waves and rows in with his boat. News – the latest from the Larssons' world Carl Larsson's paintings were recently on display in Tokyo, but where can exhibitions be seen right now? Here you can follow everything that is happening with Carl and Karin Larsson and their world. It may be in Sweden or somewhere else in the world. Perhaps there are exhibitions closer than you think.
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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.