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.
Smoky Mountains 900 is the ultimate companion for the 900-Miler Challenge — hiking every maintained trail in Great Smoky Mountains National Park
$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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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 Smokies 900: map the core Health & Fitness 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 motivational features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of customization options for tracking
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No reminders or notifications for users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No community features for support
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.
Smoky Mountains 900 is the ultimate companion for the 900-Miler Challenge — hiking every maintained trail in Great Smoky Mountains National Park. Built by hikers, for hikers, it replaces cumbersome spreadsheets with a fast, beautiful way to track all 800+ miles. TRACK YOUR PROGRESS • Interactive map shows completed trails in green and what's left in blue • Log hikes in a few taps, down to individual trail sections • Filter to find orphan sections and plan your next outing • Already tracking in the SMHC spreadsheet? Import your .xls and your history loads automatically HIKE WITH FRIENDS (New!) • Add hiking friends with a simple friend code • See each other's progress — sections, miles, and percent complete • Shared Gaps shows the sections you all still need, so you can plan hikes that move everyone closer to 900 miles CURRENT PARK CONDITIONS • Live NPS alerts and closures • Current weather at Gatlinburg, Clingmans Dome, Cades Cove, and Cherokee • Real-time river levels and air quality • Community-shared trail conditions — creek crossings, blowdowns, wildlife — from fellow 900-milers PLAN SMARTER • AI Route Planner builds custom hikes from your real trail history • AI trail summaries distill what other hikers are seeing on trail • Trailhead Hub Explorer: parking, facilities, and closures for all 10 hubs • Switch between OpenStreetMap and NPS base layers on the map REMEMBER EVERY MILE • Attach photos to each hike for a growing digital scrapbook • Automatic historical weather captured for every entry • Export your full history to CSV for official SMHC 900-miler submission Sign in with Google, Apple, or email. Your data is securely backed up, with full privacy control and account deletion anytime. Whether you're on mile 5 or mile 850, Smoky Mountains 900 keeps your journey organized, social, and unforgettable.
Written user reviews are not shown here. Check current App Store reviews >
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.