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.
Most pilgrims never finish.
$4.99 · 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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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 Sacred Trails: 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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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: Hidden fees revealed at checkout
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor customer support
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Complicated booking process
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.
Most pilgrims never finish. The Camino Francés is 800km. The Kumano Nakahechi crosses mountain passes with no cell signal. The Shikoku Pilgrimage links 88 temples across an entire island. These are not casual walks — and the apps that treat them like hiking trails miss the point. Sacred Trails is built for people who intend to finish. How it helps you complete the journey: Every route is broken into stages — the same daily sections pilgrims have used for centuries. You see today's stage, today's stops, and today's bed. Not the whole map. Just what's ahead. This is how 800km becomes walkable. At every waypoint, collect a stamp. Watch your passport fill. Completion isn't abstract — it's visible, every single day on the trail. When you need a bed or a meal, the details are already there. No signal required, no frantic searching after 30km on tired legs. What makes Sacred Trails different: - Official route data — Camino routes verified against Xunta de Galicia resources. Kumano Kodo aligned with Tanabe City Tourism Bureau materials. Not crowd-sourced. Not guessed. - 18 routes in one app — Camino Francés, Portugués, del Norte, Primitivo, Inglés, Finisterre, Invierno, Vía de la Plata, Le Puy, Mozárabe, San Salvador, Coastal, Kumano Nakahechi, Kohechi, Ohechi, Iseji, Shikoku 88, Saigoku 33. - The Dual Pilgrim title — Complete both the Camino de Santiago and the Kumano Kodo. Earn the certification that fewer than a few hundred people in the world hold. This is the reason to come back. - Digital Pilgrim Passport — Collect stamps at every stop. Every mark is proof you were there. - Lodging & food at every stop — Navigation links, accommodation, and restaurants. All offline. - Stage Timeline — No maps to scroll. Just the path, stage by stage. - 10 languages — English, Japanese, Spanish, Traditional Chinese, Simplified Chinese, Korean, French, German, Portuguese, Italian. The road has been there for a thousand years. Now so has the guide.
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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.