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.
master the deck
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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.
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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 WorkoutDeck 396: map the core Health & Fitness 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 exercise library
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of progress visualization
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Low user engagement
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.
master the deck. master yourself. workout deck takes the classic "deck of cards" push-up challenge and puts it in the palm of your hand. no more carrying a physical deck to the park or the gym—just you, the streets, and the grind. whether you are a beginner or a seasoned pro, this app is designed to push your chest, triceps, and discipline to the absolute limit. how it works: draw from a full deck of 52 cards. every rank represents your rep count. the challenge: complete the entire deck to hit 396 total reps. the diamond twist: when a diamond card hits the screen, the stakes go up. you aren't just doing reps; you're doing diamond push-ups to torch your triceps. choose your intensity: select between easy, medium, or hard modes to scale the challenge to your fitness level. key features: smart streak protection: consistency is everything. our 3-day inactivity warning keeps you accountable. miss one day, we warn you. miss three, and your streak resets. motivational coaching: real-time cues to keep your head in the game when the reps get tough. advanced progress tracking: a built-in calendar and history log to see exactly when you put in the work. privacy first: your data is yours. all workout logs are stored locally on your device—no cloud tracking, no hidden fees. stay ready. stay ripped. download workout deck today and see if you have what it takes to finish the deck.
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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.