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.
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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 Simmerly: 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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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 and discovery options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in managing grocery lists
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of nutritional information
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User engagement drops after initial setup
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.
Tired of deciding what’s for dinner, every single night? Most apps only help you organize recipes. Simmerly helps you decide what to actually cook. Tell it what matters: eating better, prepping ahead, stretching leftovers, keeping the grocery list short, or trying something new. Simmerly builds a week of meals that work together: recipes share fresh ingredients, no two dinners feel the same, and the week adds up to your goals. Then it turns your plan into an aisle-sorted grocery list so you can shop faster and waste less. Your Week, Actually Planned • Meals picked to work together: recipes share fresh ingredients and no two dinners feel the same • Save time on busy nights with make-ahead steps and planned leftover nights • Work towards your nutrition goals without tracking every meal • Plan with ingredients you already have on hand • Cover breakfast, lunch, dinner, snacks, and dessert Recipes That Fit How You Eat • Get personalized recipe ideas based on your tastes, eating style, and allergies • Search by ingredient, time, cuisine, flavor, season, and more • Save recipes from the web • Rate, take notes, and bookmark recipes you want to make Every Recipe, Simplified • See hands-on vs. hands-off time before you start cooking • Automatically scale servings and ingredients • Find make-ahead steps that save time later • Know what keeps well for leftovers Nutrition That Works in the Background • See per-serving nutrition facts on every recipe • Set goals like more protein or more fiber • Use goals as hard rules or gentle nudges when planning Grocery Lists Made Easy • Generate a grocery list from your weekly plan • Shop faster with items sorted by aisle • See which recipe each item belongs to Simmerly requires an auto-renewing subscription to access the app and its features. Eligible users may be offered an introductory offer or trial. Terms of Service: https://simmerly.app/terms Privacy Policy: https://simmerly.app/privacy
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.