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.
Welcome to the farm’s biggest little smash festival!
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 Stack Smash - 3D Puzzle Game: 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: Repetitive gameplay can lead to boredom.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases can disrupt gameplay balance.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Ads can be intrusive.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited social features.
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.
Welcome to the farm’s biggest little smash festival! Aim your cannon, line up the perfect shot, and smash through stacks of barrels, crates, jam jars, hay bales, fruit, veggies, and other farmyard goodies. Every cannon shot can send objects flying, trigger satisfying chain reactions, and bring the whole structure crashing down. Each level is a playful physics puzzle where every shot matters. Look for the weak spot, choose the best angle, and shoot your way through clever stacks and tricky obstacles. Some levels can be cleared with one perfect smash, while others require careful aim, smart puzzle solving, and a few well-placed cannonballs. Enjoy satisfying physics-based destruction as wood tumbles, jars shatter, barrels roll, and colorful farm objects bounce across the level. With simple shoot-and-smash controls, Stack Smash is easy to learn, relaxing to play, and full of fun physics puzzles to master. Explore a cozy farm festival filled with barns, market stalls, balloons, and cute farmhand characters. Take on new levels, discover new things to smash, and keep the festival moving with every successful shot. GAME FEATURES - Fun aim, shoot, and smash cannon gameplay - Satisfying physics-based destruction - Clever puzzle levels with limited shots - Colorful stacks, obstacles, and structures to knock down - Fruit, vegetables, hay, jars, barrels, crates, and more to smash - Cozy farm festival locations - Cute and friendly farmhand characters - Simple controls with rewarding precision shots - Bright 3D visuals and playful animations - Quick puzzle levels for playing anytime The cannon is loaded, the targets are stacked, and the farm festival is ready. Aim carefully, shoot the cannon, and smash your way through every level in Stack Smash!
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.