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.
THE PERFECT FISHING COMPANION
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 Lowrance: app for anglers: 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.
THE PERFECT FISHING COMPANION With all the latest and most detailed maps from C-MAP®, the Lowrance App gives you the most accurate charting direct to your mobile device. Now you can manage your favorite waypoints, discover new fishing spots, and plan your next trip with ease. Simply step on-board, sync your data with your Lowrance devices, and spend more time doing what you love – catching fish and logging your favorite spots for future trips. MANAGE YOUR WAYPOINTS - Create, store, edit and share your waypoints and fishing spots anytime, anywhere - Explore new waters and plan great fishing trips in advance - Offline maps - download your charts and view data, even without mobile coverage or WiFi DISCOVER NEW FISHING SPOTS AND LAKES - Latest C-MAP maps - high-resolution bathymetry, custom shading and thousands of Points of Interest, including ramps and fuel - Autorouting™ - set the best routes to your favorite fishing waypoints automatically SYNC EASILY WITH YOUR DEVICE - Save your waypoints, fishing spots, and data with your Lowrance devices when you step on-board, giving you more time to concentrate on catching fish! - Set Anchor Alerts and notifications for moving outside set locations REVIEW YOUR DATA - Sync your App and Lowrance device anytime, on- or off-the-water, so you can always take your latest fishing trip data with you. The Lowrance App Includes: - Activation and Registration of your Lowrance Chartplotter - FREE C-MAP Chart Viewer - Autorouting™ – find the best route to your favourite places - Personal Waypoints - Track Recording - Thousands of pre-loaded Points of Interest, including relevant information about marinas, harbours, beaches, shops and much more - Marine Weather Forecast - Weather Along the Route - Weather Overlay - Chart Personalisation - Import & Export GPX Files – share your Routes, Tracks or Waypoints with friends - Measure Distance Tool Upgrade to Premium to unlock additional features, including: - Full GPS Functionality - Offline Map Downloads - REVEAL Shaded Relief - High-Resolution Bathymetry - Custom Depth Shading - AIS & C-MAP Traffic Try before you buy… Experience the Lowrance App Premium for yourself, with a free 14-day trial (3-day trial in Denmark and Sweden). Functionality involving direct integration with devices requires NOS software versions of 20.0 and above. Please check for compatibility with your device model: Elite ti2 Elite FS HDS Carbon HDS Live HDS Pro The Lowrance App updates on a continuous basis to make sure you get a great experience and enjoy the most up-to-date fishing maps and functionalities. Be sure to check for updates regularly. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Links to Your Privacy Policy and Terms of Use. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy policy https://appchart.lowrance.com/privacy.html Terms of service https://appchart.lowrance.com/tos.html
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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 offline functionality for maps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Complexity in adding and logging catches
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface clutter
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.