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.
Sit on the throne as a benevolent (or malevolent) medieval monarch of the modern age and swipe your royal fingers either left or right to impose your will upon the kingdom
$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 Reigns: map the core Games 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 decision-making options can feel repetitive.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Game can be too simplistic for some players.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of multiplayer options.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can feel pushy.
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.
Sit on the throne as a benevolent (or malevolent) medieval monarch of the modern age and swipe your royal fingers either left or right to impose your will upon the kingdom. Survive the seemingly never-ending gauntlet of requests from your advisors, peasants, allies, and enemies while maintaining balance between the influential factions of your kingdom. But beware; each decision you make might have implications and unfortunate consequences down the road that could put your reign and family’s dynasty at risk! Each year of your reign brings another important – seemingly random – request from your unpredictable kingdom as you strive for balance between the church, the people, the army, and the treasury. Prudent decisions and careful planning make for a long reign but unforeseen motivations, surprise events, and poor luck can take down even the most entrenched monarch. Extend your reign as long as possible, forge alliances, make enemies, and find new ways to die as your dynasty marches along through the ages. Some events will span on centuries, with an intrigue involving burning witches, scientific enlightenment, wicked politics and, maybe, the Devil himself. *iPhone 5 / iPod Touch 6 / iPad Mini / iPad Air or later recommended.
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.