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.
Spot suspicious tenants
Free · 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 Let Them In?: 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: Players experience lag during gameplay.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited in-game rewards.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor onboarding experience.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Ads interrupt gameplay.
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.
Spot suspicious tenants. You are the landlord of an apartment. In this apartment, not only good people but also criminals and even monsters are mixed in. Investigate each applicant’s background and decide whether to let them move in. Fill your building with good tenants and create the best apartment possible. ■ How to Play Check each applicant’s criteria and determine whether they are good or bad. More “Yes” → Higher chance they are a good person More “No” → Possible criminal or monster If you accidentally let in a dangerous tenant, trouble may occur in your apartment. ■ Apartment Reviews Let good tenants move in to increase your apartment’s rating. The higher the rating, the more rent income you earn. ■ Monster Attacks Occasionally, monsters may invade your apartment. When that happens, fight them off with a gun. You can restock ammo and upgrade your weapons at the gun shop. ■ Game Features ・A deduction game where you identify suspicious tenants ・Story-driven interactions with visitors ・Test your judgment in spotting good vs. bad people ・Increase ratings to boost rental income ・Action elements where you fight off monsters Become the ultimate landlord and take over every apartment in the city! EU / California users can opt-out under GDPR / CCPA. Please respond from the pop-up displayed when starting in the app or within the settings in the app.
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.