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
VendHunt
Find trading card vending machines near you, plan the perfect run, and log what you pull.
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
3 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.
Build your own version
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 included15 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 VendHunt: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
Preview ready. Verify your email to reveal and copy the full prompt.
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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
Include a feature that provides full product descriptions and images.
Assumption to check: Lack of detailed product information for machines.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance search with filters for product type and distance.
Assumption to check: Limited search functionality.
Validate with people who use this workflow before building.
Hypothesis 3
Add a review and rating system for users to share experiences.
Assumption to check: No user reviews for machines.
Validate with people who use this workflow before building.
Hypothesis 4
Implement offline maps feature to view saved locations.
Assumption to check: No offline access to map data.
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 trading card vending machines near you, plan the perfect run, and log what you pull. FIND MACHINES • Live map of 1,900+ card vending machines and kiosks across the US • Sort by distance, search by city, state, or retailer • No location? Drop a pin anywhere and search from there PLAN A RUN • Auto-build the shortest route through the nearest machines within your radius • Or hand-pick stops and lock your start and end points • Distance and time estimates, then one tap opens Apple Maps, Google Maps, or Waze TRACK YOUR HUNT • Check machines off as you hit them — fresh checklist every day • Keep a lifetime log of every machine you've visited, with badges • Log your hauls with live market prices and shareable haul cards YOUR DATA STAYS YOURS • No account, no ads, no tracking — everything lives on your device VendHunt is an independent, fan-made locator. It is not affiliated with, endorsed by, or sponsored by any trading card publisher or the retailers shown. Machine availability is not guaranteed — confirm before you drive.
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-native-maps
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.
