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.
Noco Calories is the calories and glycemic load tracker
$1.99 · 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 Noco Calories: 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: Limited food database makes logging food tedious.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No social features for accountability.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: User interface may feel cluttered with many entries.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized recommendations.
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.
Noco Calories is the calories and glycemic load tracker. Using this app you can plan your diet according to the physical activity. Based on your data the app calculates daily calorie rate you need to achieve the goal weight. Additionally you can track glycemic load and nutrient balance of your diet that is really important for understanding what kind of food you need. The app is equally suitable for those who want to lose weight and those who want to gain one. Before buying the app we recommend to try its web version FOR FREE to get acquainted with main features and product database. This will help you to understand how suitable it is for your needs. Web version is available on the Facebook by link https://apps.facebook.com/nococalories (since it requires a flash player, please use your computer). Features. 1. Large database of products by categories. 2. Search function to find your food items quickly. 3. The ability to add new and edit existing products and physical activities. 4. "Recently used products" function keeps your favorite (frequently used) foods in one place for quick access. 5. Mealtimes support (breakfast, lunch, dinner, etc.). Multiple mealtimes support - specially for food combining diet's followers. 6. Choice of servings (grams, ounces, glasses, spoons). 7. Practical charting of your diet data. 8. Keeping the dynamic of your weight and body proportions. 9. Sync / sharing data: - with Noco Calories web app; - between devices (iPhone, iPod, iPad) via iCloud; - with Health app. 10. Support of both metric (kg/g, cm) and US (lb/oz, in) measurement systems. 11. The ability to set up appearance (light/dark). 12. Works without Internet connection.
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.