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.
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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.
Your first Build Kit is free with a verified email.
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 No Man's Sky: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
*TRY BEFORE YOU BUY* Play the beginning of the game for free. One-time purchase unlocks the full game which includes 10 years of updates. Supported Specifications: *Devices: iPhone 11, iPad Mini (6th generation) or iPad Air (4th generation) or iPad (10th generation) or iPad Pro 12.9 (3rd generation) and later models *Chipset: Devices with Apple A12 or later *RAM: 4 GB or more *Operating System: iOS 26.0 and above *Storage Space: 4 GB of available storage space Inspired by the adventure and imagination that we love from classic science-fiction, No Man's Sky presents you with a galaxy to explore, filled with unique planets and lifeforms, and constant danger and action. In No Man's Sky, every star is the light of a distant sun, each orbited by planets filled with life, and you can go to any of them you choose. Fly smoothly from deep space to planetary surfaces, with no loading screens, and no limits. In this infinite procedurally generated universe, you'll discover places and creatures that no other players have seen before - and perhaps never will again. Now including... Play with all major updates since launch: Foundation, Pathfinder, Atlas Rises, NEXT, The Abyss, Visions, the 2.0 BEYOND update, Synthesis, Living Ship, Exo Mech, Desolation and the 3.0 update, ORIGINS, Next Generation, Companions, Expeditions, Prisms, Frontiers, Sentinel, Outlaws, Endurance, Waypoint (4.0), Fractal, Interceptor, Echoes, Omega, Orbital, Worlds Part I (5.0), Worlds Part II, Relics, Beacon, Voyagers (6.0), Remnant, Xeno Arena, The Swarm and COSMOS (7.0). An epic voyage to the centre of a shared universe awaits, allowing you to explore, trade, fight and survive. Embark on an epic voyage At the centre of the galaxy lies a irresistible pulse which draws you on a journey towards it to learn the true nature of the cosmos. But, facing hostile creatures and fierce pirates, you'll know that death comes at a cost, and survival will be down to the choices you make over how you upgrade your ship, your weapon and suit. Find your own destiny Your voyage through No Man's Sky is up to you. Will you be a fighter, preying on the weak and taking their riches, or taking out pirates for their bounties? Power is yours if you upgrade your ship for speed and weaponry. Or a trader? Find rich resources on forgotten worlds and exploit them for the highest prices. Invest in more cargo space and you'll reap huge rewards. Or perhaps an explorer? Go beyond the known frontier and discover places and things that no one has ever seen before. Upgrade your engines to jump ever farther, and strengthen your suit for survival in toxic environments that would kill the unwary. Share your journey The galaxy is a living, breathing place. Trade convoys travel between stars, factions vie for territory, pirates hunt the unwary, and the police are ever watching. Every other player lives in the same galaxy, and you can choose to share your discoveries with them on a map that spans known space. Perhaps you will see the results of their actions as well as your own...
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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: Too many intrusive ads
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Pay-to-win mechanics
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Battery drain
Validate with people who use this workflow before building.
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.
Not assessed in a Build Kit yet.
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.