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.
"What should I cook today?"
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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 KptnCook: Cook & Meal Planner: 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.
"What should I cook today?" KptnCook answers that question every single day. You get 3 fresh, handpicked recipes daily, curated by nutritionists and chefs, so you spend less time deciding and more time actually cooking. Built for the everyday cook who wants to eat well without the stress. 8M+ users trust KptnCook. 4.8 stars from thousands of reviews. DAILY RECIPES, ALWAYS FRESH Every day, 3 new recipes land in your app. Every week, a themed collection. Over 4,000 recipes in total, covering every diet, skill level, and craving, from quick weeknight dinners to weekend meal prep. INCLUDED AT NO COST - Cook from a fresh selection of 3 handpicked recipes every day - Discover weekly themed collections for extra inspiration - Shop smarter with auto-sorted shopping lists and step-by-step cooking guides - Save your favourites and build your personal recipe keeper UNLOCK THE FULL EXPERIENCE WITH PRO - Plan your full week and auto-generate your grocery list with the meal planner - Unlock 4,000+ recipes across 9 diets: vegan, keto, low-carb, high-protein, paleo, pescatarian, mediterranean, gluten-free, dairy-free - Cook from your fridge with Fridge Finds, get matching recipes, reduce food waste - Use what you own with Fridge Finds, waste nothing - Track calories, protein, vitamins and more with full nutrition breakdown - Count calories and monitor your nutrition, built right in SKIPPI, YOUR AI COOKING BUDDY Skippi is KptnCook's AI assistant, always ready in your kitchen. • Get instant cooking tips and kitchen tips while you cook • Swap ingredients on the fly • Adjust any recipe to your diet or preferences • Get creative with leftovers and reduce food waste • Ask anything, from technique to nutrition, and get a real answer instantly • Discover recipes based on your pantry and what needs using up SMART MEAL PLANNER • Plan your cooking week in minutes • Turn your meal planning into a grocery list automatically • Sync your plan, your shopping list, and your week in one place NUTRITION AND CALORIE TRACKING • See a full calorie breakdown for every single recipe • Track your daily intake and hit your health and fitness goals • Check protein, carbs, fats, vitamins and minerals at a glance • Filter recipes by nutrition goal: high-protein, low-carb, keto, mediterranean and more • Understand exactly what you are eating, every day YOUR PERSONAL COOKBOOK • Save and organise your favourite recipe collection • Browse 4,000+ dishes for every skill level • Explore recipes by diet, ingredient, or mood • Build collections for weeknight dinners, meal prep, and special occasions KptnCook is trusted by millions of home cooks who want to eat well without the stress. Whether you are following a specific diet, planning the week ahead, or just figuring out dinner tonight, KptnCook gives you a plan, every single day. Cook without interruptions. Screen stays on, hands stay free. Download the app and try it free for 7 days.
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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 recipe variety compared to other apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No offline access to recipes
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User interface can be cluttered
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited dietary options for recipes
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.