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
WineRatings+ by Wine Spectator
WELCOME ALL WINE LOVERS!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
1,043 ratings · Top 15%
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 included18 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 WineRatings+ by Wine Spectator: 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
WELCOME ALL WINE LOVERS! Whether you’re on a journey to discover the wines you like or have a full cellar at home, WineRatings+ is here to help you drink great wine, every time. Trying to decide what to uncork with dinner? Picking out a special gift? With industry leading scores and tasting notes from the world renowned blind-tasters of Wine Spectator, WineRatings+ has recommendations you can trust. Browse hundreds of thousands of top-quality wines at your fingertips, and quickly save your favorites so you’re never hunting for something good to drink. WE ONLY RECOMMEND THE BEST Our Senior wine tasters blind-taste every bottle to ensure an unbiased score and a lusciously descriptive tasting note. With over 40 years as industry leaders, Wine Spectator is the trusted name in wine ratings and reviews. TIMING IS EVERYTHING Our expertly-assembled vintage charts will help you know exactly when your wines are ready to drink, past their peak, or should be held onto for a bit longer to achieve perfection. SAVOR THE EXPERIENCE Build a gift list, track bottles you want to try, and quickly add wines to your favorites. Add your own ratings, tasting notes, and photos. Have the perfect recommendation? Share wines and your personal lists with friends and family. GET MORE OF A GOOD THING We add over 1,000 wines every month so you have the most up-to-date wine ratings & reviews. What can we say? We love wine! TRY US OUT - Enjoy a 30 day free trial on us! - 1,000+ new wines added every month - 400,000+ expert wine ratings and tasting notes - Seamlessly create wine lists and choose favorites Please note that WineRatings+ is a separate subscription from Wine Spectator Magazine and WineSpectator.com. With a powerful mobile-optimized search engine and a bevy of features unique to the app, think of WineRatings+ as your wine guide on-the-go. Try it free and see for yourself! As always, our vintage charts and a wide selection of the latest news from the world of wine are freely available at WineSpectator.com. Try WineRatings+ for free for 30 days. The all-access version of WineRatings+ requires a monthly subscription of $2.99(USD), which is auto-renewed. Payment will be charged to your iTunes/App Store account at confirmation of purchase. You can turn off auto-renew at any time from your iTunes/App Store account settings; you must do so at least 24 hours before the end of the current subscription period to avoid being billed for the next cycle. Any unused portion of the free trial is forfeited when you purchase a subscription. Terms of Service: https://www.winespectator.com/pages/terms-of-service
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
Implement advanced filter capabilities based on various parameters like region, grape type.
Assumption to check: Limited filtering options for wine search
Validate with people who use this workflow before building.
Hypothesis 2
Optimize performance and stability for better user experience.
Assumption to check: Occasional crashes during high-load scenarios
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a recommendation feature based on user preferences and ratings.
Assumption to check: Lack of personalized recommendations
Validate with people who use this workflow before building.
Hypothesis 4
Create a more user-friendly interface for managing and organizing favorite wines.
Assumption to check: Difficulties in managing favorites
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 Native
Expo
Axios
React Navigation
Formik
React Query
BUILD KIT DIFFICULTY
Expert
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.
