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 app is meant to be a comprehensive tool for timekeepers to manage time, score, penalties, and more for Lacrosse
$1.99 · 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 LAX Keeper: map the core Sports 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 depth of statistical analysis
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface can be uninviting
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: Lack of community features
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 app is meant to be a comprehensive tool for timekeepers to manage time, score, penalties, and more for Lacrosse. The app has a simple main screen that allows all operations to be done without ever leaving the main screen. The app allows for the configuration of sounds, colors, and warnings to be used parallel with other tools. Depending on the game and setup, timekeepers may use an actual horn or other audio devices and may not want some of the sounds from this app. Here is a complete list of all features: * Large and bright Remain Time. * Remain Time changes to bright red color and sounds a warning for 30 seconds and 1 min (2 min during 4th period). * Adjustable time for periods. Click on the time remaining before starting the game to adjust. * Large and visible Stop and Start button. * Continuous 10-second warning when the clock is stopped during the game. * Auto tracking period numbers and Overtime. * Ability to track scores. * Ability to track timeouts. * Ability to track up to 4 penalties per side. * Ability to associate player # with penalties. * Ability to release/delete penalties with a single click on the entry. * Warning sound & announcement when penalties expire. * Horn sound to announce the end of the period. * Support to disable screen lock to stay on during the game. * Track time in the background. * Settings to manage sounds and app behavior. * Record Mode to allow for tracking the details of the game and sharing the results. * Ability to track the running timers while in the background or interrupted by phone calls. * Ability to track teams and team players. * 2nd timer support to track timeouts and halftimes, etc. * Configurable # of periods. * Ability to customize colors for main screen background color, teams' colors (color for penalty buttons can be adjusted on iOS 15 and higher)
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.