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
County Recorder
County Recorder is a county map app for travelers, county collectors, and map nerds who want a richer way to track where they’ve been.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Add to a Remix
Combine features and design from your favorite apps.
Kit ready. Verify your email to download it.
Generating… usually about a minute.
Make it yours Optional
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.
JavaScript is required to complete mailbox verification.
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 County Recorder: map the core Travel 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.
JavaScript is required to complete mailbox verification. Return to this prompt preview.
Continue in Rork >
Affiliate link: CloneChart may earn a commission at no extra cost
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 a review system for users to share experiences.
Assumption to check: Lack of user reviews and ratings can lead to mistrust.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance search with filters and suggestions.
Assumption to check: Limited search functionality may frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Provide transparent subscription details with trial options.
Assumption to check: Subscription model may not be clear to users.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the photo upload process with drag-and-drop or batch uploads.
Assumption to check: In-app photo uploads can be cumbersome.
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
County Recorder is a county map app for travelers, county collectors, and map nerds who want a richer way to track where they’ve been. Color the U.S. county map with your own custom labels, organize counties into collections, and keep notes on the places that matter to you. Whether you’re building a travel record, planning road trips, or exploring geographic patterns, County Recorder gives you a flexible and detailed way to see your progress. County Recorder works across iOS and macOS with document-based county maps you can keep and revisit over time. On iPhone, it can also automatically track recently visited counties using offline location tracking, with no mobile data use required. Explore the map from all kinds of angles. Browse by state, county, city, Interstate highways, time zones, border routes, population, elevation, area, urban-rural classification, ecoregions, and Köppen climate zones. Tap any county for deeper detail, then zoom, compare, and refine your map as your travels grow. County Recorder also includes map export, searchable notes, customizable map colors, and state-by-state rankings for your categories. Perfect for road trippers, geography fans, county counters, and anyone who loves seeing travel through the logic and beauty of the map.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
< Scroll to see more >
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
react-native-maps
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.
