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.
PinPoints – Distance & Trip Planner
$0.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Pin Points Distance Calculator: map the core Navigation workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited route saving options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited sharing options for routes
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases for basic features
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
PinPoints – Distance & Trip Planner Do you want to know the distance to the South Pole? Are you planning your next trip and want to save the places you’d like to visit, while also knowing the distance in between them? Or are you simply curious about the distance between two cities? With PinPoints, you’re on the right track. PinPoints enables you to measure quickly and easily the distance between any two or more points. You can calculate both the beeline distance and the driving route, making this app the perfect navigation companion — whether for private or professional use. Features * Five ways to set locations: current position, map selection, address, contact, or favorite * Add and measure any number of points in one trip * Save favorite places for quick access anytime * Organize trips and points with personal tags * Navigation between two points with instant calculation * Visualize beeline or car route directly on the map * Save, name, and edit your trips in history * Offline memory for trips on the go * Distances shown in miles or kilometers * Simple, intuitive, and clean design Flexible Location Selection Choose your current location, tap anywhere on the map, enter an address, pick a contact from your phone, or select one of your saved favorites. PinPoints gives you maximum flexibility in how you set your points. Unlimited Points & Smart Routing It doesn’t matter how many points you choose. PinPoints calculates every single route between them, and you can rearrange or edit your trip at any time. Favorites & Tags Save your favorite locations for quick reuse, whether it’s home, work, or your next travel destination. Use custom tags to organize trips and points into categories — like “vacation,” “business,” or “dream trip.” Trip History & Management All your planned routes are saved in the history, where you can name, reorder, or delete them as needed. Your history gives you a complete overview of your past trips. Beeline or Driving Route Choose whether you want to see the direct line between locations or the actual driving route. Both are visualized instantly on the map. Units & Accessibility View your data in kilometers or miles depending on your preference. The interface is designed to be clean and easy to use, making navigation fast and enjoyable. Simple & Intuitive PinPoints is designed to minimize effort: just a few taps separate you from your desired route, which is shown instantly on the map. If you have suggestions, feedback, or encounter any issues, please send us an email via the app’s settings. We’re happy to hear from you. Terms of Use: http://fuel.donner.io/terms-of-service.html Privacy Policy: http://fuel.donner.io/privacy-policy.html
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.