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.
Stop guessing at the grill
$1.99
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 Grillkeeper: BBQ Grill Timer: map the core Food & Drink 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.
Stop guessing at the grill. Grillkeeper times every food you cook and tells you exactly when to flip and when it's done, so nothing burns and everything lands on the plate hot, together. Grilling a few things at once is a timing puzzle. The steak wants one time, the chicken another, the veggies another. Miss a flip and dinner goes dry. Grillkeeper does the timing for you. HOW IT WORKS - Add the foods you're cooking from the built-in library, or create your own. - Grillkeeper sets each food's cook time and flip points. - Start the cook and get a clear alert the moment any item needs to flip. - Everything finishes together. Serve it hot. COOKS WHAT YOU COOK Steak, burgers, chicken, ribs, salmon, shrimp, corn, peppers, mushrooms and more. Set a target temperature, choose your flip points, and save your own foods so they're one tap away next time. BUILT TO BE SIMPLE No accounts. No clutter. No guesswork. Just the timers you need and the alerts that matter, built for one job: getting everything off the grill at the same time. ONE PRICE, YOURS FOREVER $5.99 once. No subscription. No ads. No upsells. Buy it, own it. A note on safety: cook times are starting points. Always verify doneness with a meat thermometer. Fire up the grill. Let Grillkeeper handle the timing.
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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: Users often struggle with timers that don't have easy customization options.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited recipe variety can lead to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Timers may not offer sufficient alerts for different stages of grilling.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social sharing features.
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.
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.