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.
Say “yes!” to living your best low-carb or keto life with the Diet Doctor app
Free · In-app purchases
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 Diet Doctor: 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 filtering options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of community interaction
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription model can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface can feel cluttered
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.
Say “yes!” to living your best low-carb or keto life with the Diet Doctor app. You’ll get everything you need to succeed, lose weight, and improve your health. What you’ll get: - Personalized meal plans: Tell us about your goals, and we’ll make you a custom meal plan!* - 1000+ free and delicious low-carb and keto recipes. - 130+ Diet Doctor-tested meal plans with recipes and nutritional information you can trust — backed by the world’s leading experts on low carb and keto. - helpful tips and evidence-based information - easy weight tracking* - visual guides that let you see how many carbs, or how much protein, are in common foods. -access to a dynamic and supportive in-app community, Connect, of others doing the low-carb or keto diet.* Moderated by Diet Doctor staff, Connect is a safe place to ask questions, share progress, trouble-shoot challenges, get inspiration, and celebrate triumphs. - The meal plans and recipes allow you to select your desired number of servings and have your weekly planning, recipes, and shopping lists all done for you.* - Our shopping list feature works even offline.* Plus you are able to save your favorite low-carb and keto recipes — all in one place.* This app is available in English, Swedish and Spanish. * Requires a Diet Doctor membership. Not yet a member? Sign up for a one-month FREE trial to get started right away. Why Diet Doctor? Diet Doctor is the world’s #1 keto & low-carb site. Our goal is to empower people everywhere to revolutionize their health by making low-carb and keto simple. Strict keto, moderate, or liberal low carb — you decide! We do the planning so you can focus on cooking, eating, and enjoying delicious and nutritious food. Millions of people have used our site to lose weight, reverse their type 2 diabetes, normalize their blood pressure, or change their lives for the better in other ways. If you’re interested in low carb or keto, we’ll help make your journey simple and inspiring. 1000+ LOW-CARB AND KETO RECIPES Quick breakfasts, luxurious brunches, hearty dishes, simple snacks, and gorgeous desserts — all low in carbs! Search for an ingredient or dish type, browse vegetarian or dairy-free recipes, or dig into our seasonal collections to find new favorites. Grocery shopping is easy. Simply add all recipe ingredients to your shopping list. MEAL PLANNER TOOL With a Diet Doctor membership, you have full access to our collection of 130+ keto and low-carb meal plans. To save you time, most of our meal plans include yesterday’s dinner as leftovers for lunch the next day. If you practice intermittent fasting, you can easily remove one or more meals. And if you don’t like a recipe, you can swap any meal for another recipe — or create your own meal plan by choosing from our 1000+ other recipes. CONNECT Want support and companionship as you embark on a low-carb way of eating? Our moderated in-app community gives you a safe place to hang out with others. You will never feel isolated or alone. Help, support, friendship and motivation are simply a tap away. VISUAL GUIDES How many carbs are in your favorite nuts? What is the protein percentage of that chicken breast or piece of fish? Getting a fast, accurate reference is easy with our visual guides for the carb counts and protein percentages of a wide variety of common foods. WEIGHT TRACKING With all our support and delicious recipes, you will want to track your weight loss progress. We make it easy with a simple tracking tool where you can track your weight, waist and blood pressure manually or with Apple Health synchronization. Download Diet Doctor to start your health journey today to get everything you need to lose weight and improve your health with a low-carb or keto diet. Terms of use and privacy policy: https://www.dietdoctor.com/terms Like us on Facebook: http://www.facebook.com/TheDietDoctor/ Follow us on Instagram: https://www.instagram.com/diet_doctor
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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.