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.
App Overview
200+ Wine Grapes
THE #1 WINE GRAPES APP
$4.99
PRICE
$4.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.3
3 ratings · Below Average
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 200+ Wine Grapes: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
THE #1 WINE GRAPES APP The 200+ Wine Grapes app is a dictionary of wine grape varieties. Your easy-to-use source of knowledge in the jungle of wine grapes. Available in your smartphone or tablet when you need it. More than 200 wine grape varieties are covered in the app. For a listing of which ones are included, refer to our web page. Cot, Chiavannesca, Nielluccio, Schwarze Riesling … Depending on where you are or where the wine you are drinking has been produced, the grape may be called something you’ve never heard of. The 200+ Wine Grapes app covers more than 8.500 synonyms from all over the world in order to help you to find out which one. In 48 countries: The 200+ Wine Grapes app reports from the world-wide statistics covering forty-eight wine growing countries. A listing of the countries is available on our web page. For each grape variety, you will find Characteristics What is typical for a certain wine grape? High or low on acidity? High or low on tannins? Which aromas and flavours can I expect? Types of wine Dry, sweet, or sparkling? White or red? The 200+ Wine Grapes app will tell about the types of wine that commonly is produced with each grape, and if there are regions or areas that could be of special interest. Food pairing What should I pair with a Pinot Noir? Or a Chardonnay? Apart from suggestions for food pairing, the 200+ Wine Grapes app will also help you by suggesting best serving temperatures. Where is it grown? In which countries and regions will you find a certain grape variety? History A grape variety’s origin often says something about where it today has its heartland. Several grapes reported are of more than 500 years of age, while others are much younger. Wine Vocabulary Appassimento, Cork Taint, Malolactic Fermentation, Vin de Paille, etc. There are many wine terms that can seem puzzling. The 200+ Wine Grapes app includes a vocabulary of wine terms to be at your service when you need it. The content of the 200+ Wine Grapes app is continuously updated as our research continues. Follow our Blog for the latest updates. You can also find us on Facebook, Instagram and Twitter. The App includes Free Lifetime Updates. All this at the cost of 50% of one issue of a wine magazine
Written user reviews are not shown here. Check current App Store reviews >
Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Add quizzes or games related to wine grapes to enhance user engagement.
Assumption to check: Limited user engagement due to lack of interactive features
Validate with people who use this workflow before building.
Hypothesis 2
Provide detailed tasting notes and user reviews for each variety.
Assumption to check: Not enough information on each grape variety
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more intuitive navigation structure with breadcrumbs.
Assumption to check: Poor navigation experience between screens
Validate with people who use this workflow before building.
Hypothesis 4
Enhance the search bar with filters for grape type, region, and flavor profile.
Assumption to check: Inadequate search functionality
Validate with people who use this workflow before building.
Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Navigation
Axios
Zustand
Expo Image
React Native
TypeScript
BUILD KIT DIFFICULTY
Starter
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.
