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
Cocktail Party: Drink Recipes
Finally — an app that shows you all the tasty drinks you can make from the stuff you've got.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
217 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 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 Cocktail Party: Drink Recipes: 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
Implement more sharing options like social media integration.
Assumption to check: Limited social sharing options for recipes
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to submit their own cocktail recipes.
Assumption to check: No user-generated content features
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate machine learning for personalized drink recommendations.
Assumption to check: Lack of personalized recommendations
Validate with people who use this workflow before building.
Hypothesis 4
Offer a one-time purchase option alongside subscriptions.
Assumption to check: Subscription model might deter users
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
Finally — an app that shows you all the tasty drinks you can make from the stuff you've got. Cocktail Party is sexy, simple, and chock-full of balanced, delicious cocktails anyone can make at home. Check off ingredients you have, and Cocktail Party will show you all the drinks you can make right now. It’s that easy - no shopping trip required! Cocktail Party is jam-packed with the best recipes – everything from hundred-year-old classics to modern masterpieces from up-and-coming new mixologists. Have brandy but not cognac? Rye, but no bourbon? Cocktail Party is smart enough to use appropriate substitutions from the ingredients you already have. Cocktail Party works wherever you are. Choose from imperial or metric measurements, and search for ingredients by their regional names. We’re constantly adding new drinks and ingredients from all over the world. What you won’t find in Cocktail Party: * No sour mix! * No obnoxiously specific B®and-name™ re©ipes * Did we mention no ads? No pushy popups, either. * No in-app purchases - you buy it once, you get updates and new drinks forever.
Written user reviews are not shown here. Check current App Store reviews >
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
@supabase/supabase-js
react-navigation
react-query
zustand
BUILD KIT DIFFICULTY
Intermediate
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.
