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.
How can fruit and vegetable juices improve our physical condition, our health and our productivity?
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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 Centrifugo - Healthy Juices Recipes Diet Plans: 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: Inaccurate tracking
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Generic workout plans
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No social features
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.
How can fruit and vegetable juices improve our physical condition, our health and our productivity? To answer this question, we need to widen our views a bit and consider nutrition from a broader perspective. - The three times of food This concept, proposed by Eben Pagan, suggests to consider the meals we eat in 3 different times: - 1. Immediately The real-time experience of food: is good or bad? - 2. In the short term The 2-3 hours that follow: if we feel energetic and effective, or heavy and listless - 3. Long-term What we eat affects our health for the rest of our lives, for example, it can add or remove fat from our body, promote or weaken our immune system, encourage or discourage the occurrence of degenerative diseases etc. In this regard, we have to evaluate each meal in these three time periods, on a scale from 1 to 10. When you decide what to eat, ask yourself how much its value is from 1 to 10 in terms of: - Taste: do I like to eat it? - Energy: in the next 2-3 hours, how effectively will it give me energy? - Health in the long term: how does it affect my immune system, how does it affect the occurrence of diseases, how does it affect the rest of my life. In 10 years, will I be proud to have eaten this meal? Almost all of us are in the constant search for a 9 or 10 in the immediate. And in order to get it we are often willing to accept a 2, 3 or 4 in the short term. If it is not too heavy on the stomach or if we do not feel too much strain in digestion, that's fine... it's enough it has a good flavor. For the long term, we have no idea how this food is going to affect our body and our immune system. So for example when we get sick, we feel depressed, when we have little desire to do anything, when we have problems in our relationships or go through periods where we feel apathetic and listless, we never put that in relationship with what we regularly eat and with the fact that food can have an effect on our health, our emotional state and our lives in general. Most of us eat almost exclusively for pleasure, for entertainment. What we should want for ourselves, is a 10 for the next 2 or 3 hours in terms of energy and mental clarity, and a 10 for our health, to limit the possibility of getting sick and to have a strong and responsive immune system throughout the course of our lives. And for this, we can also be prepared to accept a 5 or 6 (or maybe a 7) in the instant gratification that food can give us. In the immediate maybe we will not have the maximum enjoyment, but within 3 hours we will have energy and lucidity to the highest levels, and we will know that this meal will help to influence our health in a positive way in the long term, and we will be proud of this decision. Fruits and vegetables juices are the best you can give yourself for the short and the long term! Features of the current version: - 52 Selected recipes - 40 Fact sheets of food with nutritional properties - High Quality photos - Therapeutic features food - Recommended seasons - Ability to filter according to the season, food and benefits - Select the ingredients you have at home to find which recipes you can achieve. - Ability to save favorite recipes - Practical tips for getting the most from one's eating habits - "Pantry" mode: select the ingredients you have at home to find which recipes you can achieve! - Ability to share recipes with friends or on major Social Networks For suggestions and information: [email protected] Facebook page: www.facebook.com/centrifugoapp Note: An internet connection is required to update the database of the recipes. Dislcaimer: This information is the result of personal research on books and websites. It has the sole purpose of entertainment and should not be considered a remedy or cure for serious illnesses. For advice on your diet always consult a medical specialist. Centrifugo is only available on iOS.
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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.