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
Vivino: Drink The Right Wine
Vivino helps you discover, choose, and buy the right wine.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
137,004 ratings · Top 5%
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 included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Vivino: Drink The Right Wine: 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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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
Build a more comprehensive wine database with user submissions
Assumption to check: Limited wine database compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement image caching for faster loading
Assumption to check: Slow loading times for images
Validate with people who use this workflow before building.
Hypothesis 3
Add personalized wine recommendations based on user ratings
Assumption to check: Difficulties in finding wines based on personal preferences
Validate with people who use this workflow before building.
Hypothesis 4
Create a less intrusive subscription model with clear benefits
Assumption to check: In-app purchase prompts can be intrusive
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Vivino helps you discover, choose, and buy the right wine. Join over 70 million wine lovers who use Vivino to scan labels, track their tastes with ratings, and buy wines directly in the app. From casual sippers to seasoned collectors, Vivino makes it easy to explore the world of wine with millions of ratings and reviews across 16 million wines, 245,000 wineries, and over 500 shoppable merchants. Scan, Search, and Find Your Next Favorite • Snap a photo of any wine label to unlock ratings, reviews, tasting notes, and food pairings • Scan full restaurant wine lists to quickly spot the best bottles for your taste • Search by grape, region, style, or dish – from Cabernet to Caldo Verde Buy the Right Wine • Shop for wine directly in the app from Vivino’s vetted network of top-rated wine merchants • Get personalized wine picks based on your taste and insights from 70 million wine lovers • Get money off your first order just for giving us a try Understand your Tastes • Record which styles, grapes, and regions you love (or loathe!) • Get personalized suggestions based on your wine ratings and preferences • See a ‘Match for You’ score for whether you’ll like the wine or not Your Personal Wine Journal • Keep a record of every wine you’ve tried, with your own ratings, reviews, and notes • Mark wines as favorites and track the memories tied to each bottles Track Your Collection • Add bottles to your cellar to keep track of what you own and when to drink them • Sort by quantity, vintage, or drinking status to manage your collection over time Join the World’s Largest Wine Community • Learn from 70 million wine lovers who share real reviews, photos, and insights • Follow friends and experts to discover new favorites • Share your own experiences through ratings, photos, and tasting notes Stay in the Know • Get alerts for discounts, personalized picks, and order updates • Receive weekly highlights with new wines that match your profile From scanning to sipping, Vivino is your one-stop shop for discovering, learning about, and enjoying the right wine for every occasion. • Privacy policy: https://www.vivino.com/privacy • Terms of use: https://www.vivino.com/terms Please note that we’re unable to respond to questions or comments left in App Store reviews. For support or assistance, contact us at [email protected].
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Screenshots
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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 Native
Expo
Zustand
axios
@react-navigation/native
shadcn/ui
BUILD KIT DIFFICULTY
Advanced
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.
