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.
This is the only app for hikers either walking or thinking of walking the iconic Thorsborne Trail on World Heritage listed Hinchinbrook Island in Far North Queensland, Australia
$2.99 · 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.
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Combine features and design from your favorite apps.
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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 Thorsborne Trail: 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: Users often find navigation apps cluttered with options.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of offline functionality can limit usability.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Difficulty in finding relevant points of interest.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Real-time traffic and route updates are often missing.
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.
This is the only app for hikers either walking or thinking of walking the iconic Thorsborne Trail on World Heritage listed Hinchinbrook Island in Far North Queensland, Australia. It is the perfect electronic guide and provides a rich set of features. The Island has very limited cellular access so the app aims to provide the hiker all of its comprehensive information without the need for a mobile connection. The app provides the hiker with both an on and off-line accessible topological Island map. This map can be zoomed and panned to show different perspectives of the trail and a satellite view is available when on-line. The map provides key trail-specific GPS generated features. These include the actual trail itself and useful metrics such as the distance walked so far, distance to the nearest water source and camp site. The app also provides a selectable set of icons that mark key locations on the trail for all season water sources, hiking season water sources, tidal creeks and locations for limited cellular access and also campsites. The hikers exact positional latitude and longitude is also provided by the map should that information be needed. The information provided by the app is a distillation of local knowledge some of which cannot be found anywhere else. The app also provides the user with comprehensive trail notes in both directions of the walk. The hiker can switch between the map metric view and the route notes with a simple tab touch and both directions of the walk are covered by the guide in a simple clear format designed for reading. The app emphasises safety on the trail - Hinchinbrook is a wild and unspoilt island with a few hazards which are identified by the app and should an emergency arise it will provide assistance in providing you not only your exact position but also locations on the trail where a call can be made. The app also provides off line BOM Lucinda tidal charts for the year. Knowing the tidal range for the days of your hike and where the tidal crossings are, including safe water levels which vary by creek, will ensure that you can plan a safe and unhindered walk. The app provides all this information to hikers. For those wanting to see what a North to South Hike may look like from the comfort of your home there is a "Walk Simulation" feature in the settings menu - this shows an accelerated version of what the app will look like on the trail itself and will be a feature that is developed further in future releases to provide more information to the hiker for trip planning. The app is perfect for those just thinking of doing the walk - the menu provides all the information you need to book the trail and the transfers required to get there along with a host of other useful information. There is even a gallery of our favourite spots on the Island and I'm sure when you see them you will understand why this walk deserves its own app - quite simply its one of the best in the world. Happy Hiking!
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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.