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.
TroutRoutes by onX is the leading GPS mapping tool for trout streams and fly fishing
Free · 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 TroutRoutes: Fly Fishing App: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
TroutRoutes by onX is the leading GPS mapping tool for trout streams and fly fishing. As the first mapping tool to offer interactive GPS fishing maps for every trout stream in the continental United States, TroutRoutes provides comprehensive information for each stream and river. Find local fishing spots, explore new waters, and navigate public access like a pro. View maps of over 50,000 trout streams across 48 states, access 280,000+ hand-curated access points, and view 360 million acres of public land. Forecast with real-time stream conditions, view local regulations, and save detailed maps with your own markups for offline use. Plan your fly fishing trip with advanced filters and decide what you want to see on the map. View trail access, public or private bridges, parking spots, camping opportunities, boat ramps, and more. Filter rivers by fish species, now available in nine western states. TroutRoutes is the only App that combines classified trout streams, hand-curated access points, and live USGS stream gauge data in one place. Endorsed by fly fishing professionals and industry partners, find more information in local fly shops such as Orvis. Access a complete trout fishing tool and start exploring new streams with TroutRoutes. TroutRoutes by onX Features: ▶ How can I use TroutRoutes to find new streams? Navigate the map or search bar to find color-coded streams, organized by stream class. With over 50,000 trout streams mapped out across 48 states, TroutRoutes delivers an industry-first national trout quality classification system. Plan your trip based on habitat quality, public access opportunities, and more. ▶ How can I navigate public land and water access? View information on public and private land and download detailed offline maps. Fish confidently with land boundary data that lets you see exactly where you are as you move upstream, even without cell service. Download maps by river or region, and navigate through fishing easements, national forests, or local parks with GPS mapping. ▶ How can TroutRoutes help me plan my next fly fishing trip? Set custom markups, filter rivers by species, and navigate new waters with 280,000+ unique and hand-curated public access points. Create personalized maps by adding your points of interest. Filter your map by fish species in CA, WA, OR, MT, WY, CO, UT, ID, and NV. ▶ How can I find the right time and stream to fish? Access real-time stream conditions and compare historical data to forecast the best times to fish. Get live river flow and chart readings with our USGS gauge layer. See slope and contour details for every stream with interactive elevation charts. Identify tailwater, reservoirs, headwaters, and meadows. ▶ Does TroutRoutes give me access to local regulations and fly fishing shops? View fly fishing regulations and information on fly shops directly in the App. See color-coded fishing regulations and local stream classes. Locate nearby fly shops and view their website and contact info. Plan ahead with parking locations, bridge access, trailheads, put-ins, and more. Easy to use for beginners and seasoned pros alike, TroutRoutes takes the guesswork out of fly fishing. Plan your next trout fishing adventure today. ▶ Free Trial: Start a 7-day PRO trial for free when you install the App. ▶ Basic Plan (Free): Multi-platform access across desktop and mobile, a basic view of trout streams, and other limited features. ▶ Single-State ($19.99/year): Full PRO features for one state: classified streams, access points, custom markups, offline maps, and more. ▶ PRO ($39.99/year or $9.99/month): Complete access across 48 states, including: • 50,000+ classified trout streams • 280,000+ custom access points • 360 million acres of public land • Real-time data, offline maps, fishing regulations ▶ Terms of Use: https://www.onxmaps.com/tou ▶ Privacy Policy: https://www.onxmaps.com/privacy-policy
Written user reviews are not shown here. Check current App Store reviews >
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: Difficult to find specific fishing spots
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Confusing subscription options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized recommendations
Validate with people who use this workflow before building.
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.