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
KML & KMZ Files Viewer
KML KMZ Viewer is useful to Load and View all of your favorite Layouts, Hiking Trails, Camping Spots, Picnic Areas, Boating Locations, Tracks, Truck Stops, RV's, Ski Resorts, Hotels, Golf Courses, Parking Areas, Rest ...
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.5
2 ratings · Below Average
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.
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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 included18 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 KML & KMZ Files Viewer: map the core Travel 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 multiple import options (cloud, local storage, etc.)
Assumption to check: Difficult to import files from various sources
Validate with people who use this workflow before building.
Hypothesis 2
Optimize map rendering and file processing algorithms
Assumption to check: Poor map rendering performance
Validate with people who use this workflow before building.
Hypothesis 3
Provide comprehensive tutorials and user guides within the app
Assumption to check: Lack of detailed documentation
Validate with people who use this workflow before building.
Hypothesis 4
Add more preview options and editing capabilities for KML/KMZ files
Assumption to check: Limited file preview features
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
KML KMZ Viewer is useful to Load and View all of your favorite Layouts, Hiking Trails, Camping Spots, Picnic Areas, Boating Locations, Tracks, Truck Stops, RV's, Ski Resorts, Hotels, Golf Courses, Parking Areas, Rest Areas, Clubs, Restaurants, Hunting Areas, Fishing Spots or any kind of Point of Interests that are in KML & KMZ formats. Load and manage all your KML/KMZ files in one place. Comes in handy to load real estate, construction layouts, base maps and more. You can add KML/KMZ extension files from Email Attachments or from your Computer, Laptop or Device. Add Images Overlay on Map. Current version supports .kml or .kmz files in (jpg or png) format for Image Overlays. Search for nearest Point of Interests (like Coffee, Restaurants, Hotels etc.). Display of Search Points and data Overlays can be easily managed side by side.
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
react-navigation
react-native-maps
react-native-gesture-handler
react-native-svg
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.
