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
Find Craft Beer
Find Craft Beer allows you to use your iPhone or iPad to easily find a place near you to get a Craft Beer.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
639 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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Find Craft Beer: 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
Integrate user-generated content for more accurate listings.
Assumption to check: Limited brewery data in some areas
Validate with people who use this workflow before building.
Hypothesis 2
Optimize search with real-time results and better filtering.
Assumption to check: Search function can be slow
Validate with people who use this workflow before building.
Hypothesis 3
Add features for users to share favorites and reviews.
Assumption to check: No social features
Validate with people who use this workflow before building.
Hypothesis 4
Clarify pricing structure and benefits for subscriptions.
Assumption to check: Pricing is unclear for in-app purchases
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
Find Craft Beer allows you to use your iPhone or iPad to easily find a place near you to get a Craft Beer. Find Craft Beer uses the GPS to determine your current location and searches a database of Craft Beer locations within your specified distance. You can also provide Find Craft Beer with a specific city to search. Find Craft Beer searches a database of Brew Pubs, Breweries, Beer Bars, Beer Stores and Homebrew Shops. Limit your list to only those types of locations you are interested in. Search with a specific distance, sort by distance or ratings, read reviews of locations and submit your own reviews and pictures! Post to Facebook or Twitter about your current location so your friends can have a beer with you! Check-in comments and Untappd beer check-ins for a location right on the review screen. Find Craft Beer was a finalist in the 2009 BestAppEver awards in the Best Feel Like a Local App! Find Craft Beer is the ideal app when you want to find a place to get a Craft Beer. --- We need your help! Please report locations that are closed or have moved and add any place that other users would find great Craft Beer! All location updates are checked by a moderator so changes will not show immediately, but by having moderator approval, we prevent bad data from getting into the system. --
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
react-navigation
axios
react-query
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.
